./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum.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_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB --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 e4a4a131c0d4df2db1bf018027395318bc112945cbb20d5c862562c48934e5a1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:21:56,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:21:56,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:21:56,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:21:56,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:21:56,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:21:56,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:21:56,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:21:56,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:21:56,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:21:56,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:21:56,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:21:56,807 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:21:56,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:21:56,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:21:56,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:21:56,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:21:56,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:21:56,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:21:56,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:21:56,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:21:56,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:21:56,809 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:21:56,809 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:21:56,809 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:21:56,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:21:56,809 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:21:56,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:21:56,810 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:21:56,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:21:56,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:21:56,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:56,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:21:56,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:21:56,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:21:56,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:21:56,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:21:56,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:21:56,811 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:21:56,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:21:56,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:21:56,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:21:56,812 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:21:56,812 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:21:56,812 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:21:56,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:21:56,813 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_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB 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 -> e4a4a131c0d4df2db1bf018027395318bc112945cbb20d5c862562c48934e5a1 [2024-11-27 20:21:57,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:21:57,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:21:57,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:21:57,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:21:57,148 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:21:57,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2024-11-27 20:22:00,252 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/data/99d237a80/3018fd8fe64643c49707ce58aa6d759a/FLAG1fc9fed44 [2024-11-27 20:22:00,610 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:22:00,612 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2024-11-27 20:22:00,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/data/99d237a80/3018fd8fe64643c49707ce58aa6d759a/FLAG1fc9fed44 [2024-11-27 20:22:00,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/data/99d237a80/3018fd8fe64643c49707ce58aa6d759a [2024-11-27 20:22:00,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:22:00,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:22:00,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:22:00,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:22:00,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:22:00,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:22:00" (1/1) ... [2024-11-27 20:22:00,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e0ab3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:00, skipping insertion in model container [2024-11-27 20:22:00,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:22:00" (1/1) ... [2024-11-27 20:22:00,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:22:00,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:22:00,953 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:22:00,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:22:01,007 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:22:01,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01 WrapperNode [2024-11-27 20:22:01,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:22:01,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:22:01,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:22:01,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:22:01,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (1/1) ... [2024-11-27 20:22:01,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (1/1) ... [2024-11-27 20:22:01,069 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 17, calls inlined = 29, statements flattened = 363 [2024-11-27 20:22:01,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:22:01,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:22:01,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:22:01,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:22:01,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (1/1) ... [2024-11-27 20:22:01,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (1/1) ... [2024-11-27 20:22:01,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (1/1) ... [2024-11-27 20:22:01,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (1/1) ... [2024-11-27 20:22:01,111 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (1/1) ... [2024-11-27 20:22:01,117 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (1/1) ... [2024-11-27 20:22:01,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (1/1) ... [2024-11-27 20:22:01,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (1/1) ... [2024-11-27 20:22:01,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (1/1) ... [2024-11-27 20:22:01,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:22:01,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:22:01,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:22:01,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:22:01,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (1/1) ... [2024-11-27 20:22:01,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:22:01,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:22:01,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:22:01,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:22:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:22:01,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 20:22:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 20:22:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 20:22:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 20:22:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 20:22:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 20:22:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:22:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 20:22:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:22:01,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:22:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:22:01,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 20:22:01,206 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:22:01,362 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:22:01,364 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:22:02,161 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:22:02,161 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:22:02,196 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:22:02,196 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-27 20:22:02,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:22:02 BoogieIcfgContainer [2024-11-27 20:22:02,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:22:02,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:22:02,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:22:02,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:22:02,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:22:00" (1/3) ... [2024-11-27 20:22:02,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bac486b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:22:02, skipping insertion in model container [2024-11-27 20:22:02,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:01" (2/3) ... [2024-11-27 20:22:02,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bac486b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:22:02, skipping insertion in model container [2024-11-27 20:22:02,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:22:02" (3/3) ... [2024-11-27 20:22:02,211 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2024-11-27 20:22:02,225 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:22:02,228 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-array-sum.wvr.c that has 4 procedures, 474 locations, 1 initial locations, 5 loop locations, and 30 error locations. [2024-11-27 20:22:02,228 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:22:02,463 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-27 20:22:02,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 483 places, 502 transitions, 1025 flow [2024-11-27 20:22:02,868 INFO L124 PetriNetUnfolderBase]: 29/499 cut-off events. [2024-11-27 20:22:02,871 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-27 20:22:02,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 499 events. 29/499 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1006 event pairs, 0 based on Foata normal form. 0/440 useless extension candidates. Maximal degree in co-relation 382. Up to 2 conditions per place. [2024-11-27 20:22:02,889 INFO L82 GeneralOperation]: Start removeDead. Operand has 483 places, 502 transitions, 1025 flow [2024-11-27 20:22:02,901 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 464 places, 482 transitions, 982 flow [2024-11-27 20:22:02,913 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:22:02,934 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;@7a639515, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:22:02,934 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-11-27 20:22:02,947 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:22:02,947 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-27 20:22:02,947 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:22:02,948 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:02,948 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] [2024-11-27 20:22:02,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:02,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:02,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1666312752, now seen corresponding path program 1 times [2024-11-27 20:22:02,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:02,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81972542] [2024-11-27 20:22:02,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:02,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:03,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:03,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81972542] [2024-11-27 20:22:03,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81972542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:03,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:03,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:22:03,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296749085] [2024-11-27 20:22:03,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:03,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:22:03,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:03,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:22:03,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:22:03,237 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 502 [2024-11-27 20:22:03,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 482 transitions, 982 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2024-11-27 20:22:03,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:03,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 502 [2024-11-27 20:22:03,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:03,692 INFO L124 PetriNetUnfolderBase]: 20/998 cut-off events. [2024-11-27 20:22:03,693 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-27 20:22:03,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1050 conditions, 998 events. 20/998 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4524 event pairs, 7 based on Foata normal form. 55/935 useless extension candidates. Maximal degree in co-relation 757. Up to 31 conditions per place. [2024-11-27 20:22:03,710 INFO L140 encePairwiseOnDemand]: 477/502 looper letters, 13 selfloop transitions, 2 changer transitions 5/459 dead transitions. [2024-11-27 20:22:03,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 459 transitions, 966 flow [2024-11-27 20:22:03,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:22:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:22:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1421 transitions. [2024-11-27 20:22:03,738 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9435590969455512 [2024-11-27 20:22:03,739 INFO L175 Difference]: Start difference. First operand has 464 places, 482 transitions, 982 flow. Second operand 3 states and 1421 transitions. [2024-11-27 20:22:03,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 459 transitions, 966 flow [2024-11-27 20:22:03,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 459 transitions, 954 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-27 20:22:03,765 INFO L231 Difference]: Finished difference. Result has 459 places, 454 transitions, 918 flow [2024-11-27 20:22:03,770 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=924, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=918, PETRI_PLACES=459, PETRI_TRANSITIONS=454} [2024-11-27 20:22:03,776 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -5 predicate places. [2024-11-27 20:22:03,776 INFO L471 AbstractCegarLoop]: Abstraction has has 459 places, 454 transitions, 918 flow [2024-11-27 20:22:03,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2024-11-27 20:22:03,777 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:03,777 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] [2024-11-27 20:22:03,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:22:03,778 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:03,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:03,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1444974343, now seen corresponding path program 1 times [2024-11-27 20:22:03,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:03,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071287486] [2024-11-27 20:22:03,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:03,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:03,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:03,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071287486] [2024-11-27 20:22:03,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071287486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:03,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:03,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:22:03,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457752422] [2024-11-27 20:22:03,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:03,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:22:03,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:03,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:22:03,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:22:03,952 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 502 [2024-11-27 20:22:03,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 454 transitions, 918 flow. Second operand has 3 states, 3 states have (on average 461.3333333333333) internal successors, (1384), 3 states have internal predecessors, (1384), 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) [2024-11-27 20:22:03,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:03,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 502 [2024-11-27 20:22:03,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:04,259 INFO L124 PetriNetUnfolderBase]: 14/739 cut-off events. [2024-11-27 20:22:04,259 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:22:04,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 778 conditions, 739 events. 14/739 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2727 event pairs, 5 based on Foata normal form. 0/655 useless extension candidates. Maximal degree in co-relation 747. Up to 28 conditions per place. [2024-11-27 20:22:04,271 INFO L140 encePairwiseOnDemand]: 499/502 looper letters, 14 selfloop transitions, 2 changer transitions 0/453 dead transitions. [2024-11-27 20:22:04,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 453 transitions, 948 flow [2024-11-27 20:22:04,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:22:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:22:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1397 transitions. [2024-11-27 20:22:04,278 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9276228419654714 [2024-11-27 20:22:04,279 INFO L175 Difference]: Start difference. First operand has 459 places, 454 transitions, 918 flow. Second operand 3 states and 1397 transitions. [2024-11-27 20:22:04,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 453 transitions, 948 flow [2024-11-27 20:22:04,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 453 transitions, 944 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:22:04,290 INFO L231 Difference]: Finished difference. Result has 453 places, 453 transitions, 916 flow [2024-11-27 20:22:04,291 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=916, PETRI_PLACES=453, PETRI_TRANSITIONS=453} [2024-11-27 20:22:04,292 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -11 predicate places. [2024-11-27 20:22:04,292 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 453 transitions, 916 flow [2024-11-27 20:22:04,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 461.3333333333333) internal successors, (1384), 3 states have internal predecessors, (1384), 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) [2024-11-27 20:22:04,293 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:04,294 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] [2024-11-27 20:22:04,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:22:04,294 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:04,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:04,297 INFO L85 PathProgramCache]: Analyzing trace with hash -602971418, now seen corresponding path program 1 times [2024-11-27 20:22:04,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:04,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870939871] [2024-11-27 20:22:04,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:04,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:04,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:04,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870939871] [2024-11-27 20:22:04,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870939871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:04,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:04,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:22:04,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419275108] [2024-11-27 20:22:04,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:04,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:22:04,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:04,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:22:04,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:22:04,400 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 456 out of 502 [2024-11-27 20:22:04,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 453 transitions, 916 flow. Second operand has 3 states, 3 states have (on average 457.0) internal successors, (1371), 3 states have internal predecessors, (1371), 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) [2024-11-27 20:22:04,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:04,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 456 of 502 [2024-11-27 20:22:04,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:04,806 INFO L124 PetriNetUnfolderBase]: 26/996 cut-off events. [2024-11-27 20:22:04,806 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-27 20:22:04,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1057 conditions, 996 events. 26/996 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4717 event pairs, 12 based on Foata normal form. 0/887 useless extension candidates. Maximal degree in co-relation 1018. Up to 48 conditions per place. [2024-11-27 20:22:04,825 INFO L140 encePairwiseOnDemand]: 496/502 looper letters, 16 selfloop transitions, 1 changer transitions 0/448 dead transitions. [2024-11-27 20:22:04,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 448 transitions, 940 flow [2024-11-27 20:22:04,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:22:04,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:22:04,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1390 transitions. [2024-11-27 20:22:04,832 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9229747675962815 [2024-11-27 20:22:04,833 INFO L175 Difference]: Start difference. First operand has 453 places, 453 transitions, 916 flow. Second operand 3 states and 1390 transitions. [2024-11-27 20:22:04,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 448 transitions, 940 flow [2024-11-27 20:22:04,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 448 transitions, 936 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:22:04,843 INFO L231 Difference]: Finished difference. Result has 448 places, 448 transitions, 904 flow [2024-11-27 20:22:04,844 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=904, PETRI_PLACES=448, PETRI_TRANSITIONS=448} [2024-11-27 20:22:04,844 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -16 predicate places. [2024-11-27 20:22:04,845 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 448 transitions, 904 flow [2024-11-27 20:22:04,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 457.0) internal successors, (1371), 3 states have internal predecessors, (1371), 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) [2024-11-27 20:22:04,846 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:04,846 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] [2024-11-27 20:22:04,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:22:04,847 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:04,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:04,847 INFO L85 PathProgramCache]: Analyzing trace with hash 715262662, now seen corresponding path program 1 times [2024-11-27 20:22:04,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:04,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444900241] [2024-11-27 20:22:04,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:04,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:04,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:04,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:04,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444900241] [2024-11-27 20:22:04,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444900241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:04,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:04,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:22:04,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584025937] [2024-11-27 20:22:04,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:04,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:22:04,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:04,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:22:04,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:22:05,003 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 462 out of 502 [2024-11-27 20:22:05,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 448 transitions, 904 flow. Second operand has 3 states, 3 states have (on average 463.3333333333333) internal successors, (1390), 3 states have internal predecessors, (1390), 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) [2024-11-27 20:22:05,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:05,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 462 of 502 [2024-11-27 20:22:05,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:05,242 INFO L124 PetriNetUnfolderBase]: 25/839 cut-off events. [2024-11-27 20:22:05,242 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 20:22:05,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 891 conditions, 839 events. 25/839 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3492 event pairs, 15 based on Foata normal form. 0/759 useless extension candidates. Maximal degree in co-relation 852. Up to 40 conditions per place. [2024-11-27 20:22:05,254 INFO L140 encePairwiseOnDemand]: 499/502 looper letters, 12 selfloop transitions, 2 changer transitions 0/447 dead transitions. [2024-11-27 20:22:05,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 447 transitions, 930 flow [2024-11-27 20:22:05,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:22:05,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:22:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1401 transitions. [2024-11-27 20:22:05,259 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9302788844621513 [2024-11-27 20:22:05,259 INFO L175 Difference]: Start difference. First operand has 448 places, 448 transitions, 904 flow. Second operand 3 states and 1401 transitions. [2024-11-27 20:22:05,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 447 transitions, 930 flow [2024-11-27 20:22:05,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 447 transitions, 929 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:22:05,268 INFO L231 Difference]: Finished difference. Result has 448 places, 447 transitions, 905 flow [2024-11-27 20:22:05,269 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=905, PETRI_PLACES=448, PETRI_TRANSITIONS=447} [2024-11-27 20:22:05,271 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -16 predicate places. [2024-11-27 20:22:05,271 INFO L471 AbstractCegarLoop]: Abstraction has has 448 places, 447 transitions, 905 flow [2024-11-27 20:22:05,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 463.3333333333333) internal successors, (1390), 3 states have internal predecessors, (1390), 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) [2024-11-27 20:22:05,273 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:05,274 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] [2024-11-27 20:22:05,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:22:05,275 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:05,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:05,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1280780964, now seen corresponding path program 1 times [2024-11-27 20:22:05,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:05,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407366028] [2024-11-27 20:22:05,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:05,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:06,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:06,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407366028] [2024-11-27 20:22:06,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407366028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:06,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:06,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:22:06,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654876679] [2024-11-27 20:22:06,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:06,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:22:06,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:06,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:22:06,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:22:06,623 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 502 [2024-11-27 20:22:06,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 447 transitions, 905 flow. Second operand has 6 states, 6 states have (on average 421.5) internal successors, (2529), 6 states have internal predecessors, (2529), 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) [2024-11-27 20:22:06,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:06,627 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 502 [2024-11-27 20:22:06,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:09,798 INFO L124 PetriNetUnfolderBase]: 1895/15160 cut-off events. [2024-11-27 20:22:09,799 INFO L125 PetriNetUnfolderBase]: For 179/179 co-relation queries the response was YES. [2024-11-27 20:22:09,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18078 conditions, 15160 events. 1895/15160 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 183413 event pairs, 1520 based on Foata normal form. 0/13419 useless extension candidates. Maximal degree in co-relation 18040. Up to 2812 conditions per place. [2024-11-27 20:22:09,953 INFO L140 encePairwiseOnDemand]: 490/502 looper letters, 46 selfloop transitions, 10 changer transitions 0/445 dead transitions. [2024-11-27 20:22:09,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 445 transitions, 1013 flow [2024-11-27 20:22:09,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:22:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:22:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2578 transitions. [2024-11-27 20:22:09,960 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8559096945551129 [2024-11-27 20:22:09,960 INFO L175 Difference]: Start difference. First operand has 448 places, 447 transitions, 905 flow. Second operand 6 states and 2578 transitions. [2024-11-27 20:22:09,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 445 transitions, 1013 flow [2024-11-27 20:22:09,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 445 transitions, 1009 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:22:09,968 INFO L231 Difference]: Finished difference. Result has 449 places, 445 transitions, 917 flow [2024-11-27 20:22:09,968 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=897, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=917, PETRI_PLACES=449, PETRI_TRANSITIONS=445} [2024-11-27 20:22:09,969 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -15 predicate places. [2024-11-27 20:22:09,969 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 445 transitions, 917 flow [2024-11-27 20:22:09,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 421.5) internal successors, (2529), 6 states have internal predecessors, (2529), 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) [2024-11-27 20:22:09,971 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:09,971 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:09,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:22:09,972 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:09,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:09,973 INFO L85 PathProgramCache]: Analyzing trace with hash -2066991718, now seen corresponding path program 1 times [2024-11-27 20:22:09,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:09,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29690921] [2024-11-27 20:22:09,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:09,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:10,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:10,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:10,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29690921] [2024-11-27 20:22:10,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29690921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:10,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:10,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:22:10,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498660834] [2024-11-27 20:22:10,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:10,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:22:10,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:10,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:22:10,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:22:10,087 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 462 out of 502 [2024-11-27 20:22:10,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 445 transitions, 917 flow. Second operand has 3 states, 3 states have (on average 463.3333333333333) internal successors, (1390), 3 states have internal predecessors, (1390), 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) [2024-11-27 20:22:10,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:10,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 462 of 502 [2024-11-27 20:22:10,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:10,344 INFO L124 PetriNetUnfolderBase]: 25/836 cut-off events. [2024-11-27 20:22:10,344 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 20:22:10,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 898 conditions, 836 events. 25/836 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3403 event pairs, 15 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 865. Up to 40 conditions per place. [2024-11-27 20:22:10,355 INFO L140 encePairwiseOnDemand]: 499/502 looper letters, 12 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2024-11-27 20:22:10,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 444 transitions, 943 flow [2024-11-27 20:22:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:22:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:22:10,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1401 transitions. [2024-11-27 20:22:10,359 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9302788844621513 [2024-11-27 20:22:10,359 INFO L175 Difference]: Start difference. First operand has 449 places, 445 transitions, 917 flow. Second operand 3 states and 1401 transitions. [2024-11-27 20:22:10,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 444 transitions, 943 flow [2024-11-27 20:22:10,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 444 transitions, 923 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:22:10,367 INFO L231 Difference]: Finished difference. Result has 445 places, 444 transitions, 899 flow [2024-11-27 20:22:10,368 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=899, PETRI_PLACES=445, PETRI_TRANSITIONS=444} [2024-11-27 20:22:10,372 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -19 predicate places. [2024-11-27 20:22:10,372 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 444 transitions, 899 flow [2024-11-27 20:22:10,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 463.3333333333333) internal successors, (1390), 3 states have internal predecessors, (1390), 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) [2024-11-27 20:22:10,373 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:10,373 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:10,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:22:10,373 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:10,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:10,376 INFO L85 PathProgramCache]: Analyzing trace with hash 866909410, now seen corresponding path program 1 times [2024-11-27 20:22:10,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:10,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800573618] [2024-11-27 20:22:10,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:10,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:10,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:10,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800573618] [2024-11-27 20:22:10,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800573618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:10,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:10,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:22:10,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920675298] [2024-11-27 20:22:10,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:10,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:22:10,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:10,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:22:10,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:22:10,486 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 459 out of 502 [2024-11-27 20:22:10,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 444 transitions, 899 flow. Second operand has 3 states, 3 states have (on average 460.0) internal successors, (1380), 3 states have internal predecessors, (1380), 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) [2024-11-27 20:22:10,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:10,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 459 of 502 [2024-11-27 20:22:10,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:10,718 INFO L124 PetriNetUnfolderBase]: 38/1247 cut-off events. [2024-11-27 20:22:10,718 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-27 20:22:10,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1315 conditions, 1247 events. 38/1247 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6807 event pairs, 20 based on Foata normal form. 0/1126 useless extension candidates. Maximal degree in co-relation 1276. Up to 56 conditions per place. [2024-11-27 20:22:10,736 INFO L140 encePairwiseOnDemand]: 497/502 looper letters, 14 selfloop transitions, 1 changer transitions 0/440 dead transitions. [2024-11-27 20:22:10,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 440 transitions, 921 flow [2024-11-27 20:22:10,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:22:10,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:22:10,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1396 transitions. [2024-11-27 20:22:10,739 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9269588313413014 [2024-11-27 20:22:10,740 INFO L175 Difference]: Start difference. First operand has 445 places, 444 transitions, 899 flow. Second operand 3 states and 1396 transitions. [2024-11-27 20:22:10,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 440 transitions, 921 flow [2024-11-27 20:22:10,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 440 transitions, 917 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:22:10,748 INFO L231 Difference]: Finished difference. Result has 441 places, 440 transitions, 889 flow [2024-11-27 20:22:10,748 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=887, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=889, PETRI_PLACES=441, PETRI_TRANSITIONS=440} [2024-11-27 20:22:10,750 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -23 predicate places. [2024-11-27 20:22:10,750 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 440 transitions, 889 flow [2024-11-27 20:22:10,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 460.0) internal successors, (1380), 3 states have internal predecessors, (1380), 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) [2024-11-27 20:22:10,751 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:10,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:10,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:22:10,752 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:10,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:10,754 INFO L85 PathProgramCache]: Analyzing trace with hash -52705146, now seen corresponding path program 1 times [2024-11-27 20:22:10,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:10,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010124456] [2024-11-27 20:22:10,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:10,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:10,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:10,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:10,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010124456] [2024-11-27 20:22:10,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010124456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:10,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:10,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:22:10,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278589199] [2024-11-27 20:22:10,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:10,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:22:10,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:10,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:22:10,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:22:10,861 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 465 out of 502 [2024-11-27 20:22:10,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 440 transitions, 889 flow. Second operand has 3 states, 3 states have (on average 466.0) internal successors, (1398), 3 states have internal predecessors, (1398), 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) [2024-11-27 20:22:10,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:10,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 465 of 502 [2024-11-27 20:22:10,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:10,995 INFO L124 PetriNetUnfolderBase]: 15/627 cut-off events. [2024-11-27 20:22:10,995 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:22:11,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 666 conditions, 627 events. 15/627 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1973 event pairs, 2 based on Foata normal form. 1/577 useless extension candidates. Maximal degree in co-relation 628. Up to 13 conditions per place. [2024-11-27 20:22:11,003 INFO L140 encePairwiseOnDemand]: 497/502 looper letters, 8 selfloop transitions, 2 changer transitions 2/440 dead transitions. [2024-11-27 20:22:11,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 440 transitions, 915 flow [2024-11-27 20:22:11,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:22:11,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:22:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2024-11-27 20:22:11,007 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9355909694555112 [2024-11-27 20:22:11,007 INFO L175 Difference]: Start difference. First operand has 441 places, 440 transitions, 889 flow. Second operand 3 states and 1409 transitions. [2024-11-27 20:22:11,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 440 transitions, 915 flow [2024-11-27 20:22:11,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 440 transitions, 914 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:22:11,016 INFO L231 Difference]: Finished difference. Result has 440 places, 436 transitions, 883 flow [2024-11-27 20:22:11,017 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=883, PETRI_PLACES=440, PETRI_TRANSITIONS=436} [2024-11-27 20:22:11,020 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -24 predicate places. [2024-11-27 20:22:11,021 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 436 transitions, 883 flow [2024-11-27 20:22:11,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 466.0) internal successors, (1398), 3 states have internal predecessors, (1398), 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) [2024-11-27 20:22:11,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:11,023 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:11,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:22:11,023 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:11,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:11,024 INFO L85 PathProgramCache]: Analyzing trace with hash 889999816, now seen corresponding path program 1 times [2024-11-27 20:22:11,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:11,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194258218] [2024-11-27 20:22:11,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:11,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:11,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:11,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194258218] [2024-11-27 20:22:11,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194258218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:11,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:11,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:22:11,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903087209] [2024-11-27 20:22:11,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:11,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:22:11,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:11,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:22:11,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:22:11,134 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 462 out of 502 [2024-11-27 20:22:11,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 436 transitions, 883 flow. Second operand has 3 states, 3 states have (on average 463.3333333333333) internal successors, (1390), 3 states have internal predecessors, (1390), 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) [2024-11-27 20:22:11,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:11,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 462 of 502 [2024-11-27 20:22:11,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:11,714 INFO L124 PetriNetUnfolderBase]: 114/2761 cut-off events. [2024-11-27 20:22:11,715 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-27 20:22:11,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2955 conditions, 2761 events. 114/2761 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 22018 event pairs, 22 based on Foata normal form. 0/2496 useless extension candidates. Maximal degree in co-relation 2917. Up to 159 conditions per place. [2024-11-27 20:22:11,743 INFO L140 encePairwiseOnDemand]: 496/502 looper letters, 16 selfloop transitions, 3 changer transitions 0/440 dead transitions. [2024-11-27 20:22:11,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 440 transitions, 933 flow [2024-11-27 20:22:11,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:22:11,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:22:11,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1408 transitions. [2024-11-27 20:22:11,747 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9349269588313412 [2024-11-27 20:22:11,748 INFO L175 Difference]: Start difference. First operand has 440 places, 436 transitions, 883 flow. Second operand 3 states and 1408 transitions. [2024-11-27 20:22:11,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 440 transitions, 933 flow [2024-11-27 20:22:11,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 440 transitions, 929 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:22:11,758 INFO L231 Difference]: Finished difference. Result has 436 places, 436 transitions, 894 flow [2024-11-27 20:22:11,759 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=873, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=436, PETRI_TRANSITIONS=436} [2024-11-27 20:22:11,760 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -28 predicate places. [2024-11-27 20:22:11,760 INFO L471 AbstractCegarLoop]: Abstraction has has 436 places, 436 transitions, 894 flow [2024-11-27 20:22:11,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 463.3333333333333) internal successors, (1390), 3 states have internal predecessors, (1390), 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) [2024-11-27 20:22:11,761 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:11,761 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:11,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:22:11,761 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:11,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:11,762 INFO L85 PathProgramCache]: Analyzing trace with hash -2078029524, now seen corresponding path program 1 times [2024-11-27 20:22:11,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:11,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197779539] [2024-11-27 20:22:11,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:11,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:12,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:12,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197779539] [2024-11-27 20:22:12,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197779539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:12,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:12,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:22:12,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034931251] [2024-11-27 20:22:12,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:12,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:22:12,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:12,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:22:12,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:22:12,473 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 502 [2024-11-27 20:22:12,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 436 transitions, 894 flow. Second operand has 7 states, 7 states have (on average 451.0) internal successors, (3157), 7 states have internal predecessors, (3157), 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) [2024-11-27 20:22:12,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:12,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 502 [2024-11-27 20:22:12,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:13,027 INFO L124 PetriNetUnfolderBase]: 64/2041 cut-off events. [2024-11-27 20:22:13,027 INFO L125 PetriNetUnfolderBase]: For 7/19 co-relation queries the response was YES. [2024-11-27 20:22:13,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2245 conditions, 2041 events. 64/2041 cut-off events. For 7/19 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 12695 event pairs, 16 based on Foata normal form. 4/1880 useless extension candidates. Maximal degree in co-relation 2205. Up to 58 conditions per place. [2024-11-27 20:22:13,046 INFO L140 encePairwiseOnDemand]: 481/502 looper letters, 29 selfloop transitions, 28 changer transitions 0/464 dead transitions. [2024-11-27 20:22:13,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 464 transitions, 1071 flow [2024-11-27 20:22:13,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:22:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 20:22:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4538 transitions. [2024-11-27 20:22:13,061 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9039840637450199 [2024-11-27 20:22:13,061 INFO L175 Difference]: Start difference. First operand has 436 places, 436 transitions, 894 flow. Second operand 10 states and 4538 transitions. [2024-11-27 20:22:13,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 464 transitions, 1071 flow [2024-11-27 20:22:13,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 464 transitions, 1071 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:22:13,070 INFO L231 Difference]: Finished difference. Result has 449 places, 452 transitions, 1023 flow [2024-11-27 20:22:13,071 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1023, PETRI_PLACES=449, PETRI_TRANSITIONS=452} [2024-11-27 20:22:13,072 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -15 predicate places. [2024-11-27 20:22:13,072 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 452 transitions, 1023 flow [2024-11-27 20:22:13,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 451.0) internal successors, (3157), 7 states have internal predecessors, (3157), 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) [2024-11-27 20:22:13,075 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:13,075 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:13,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:22:13,075 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:13,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:13,076 INFO L85 PathProgramCache]: Analyzing trace with hash 3952888, now seen corresponding path program 1 times [2024-11-27 20:22:13,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:13,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618697067] [2024-11-27 20:22:13,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:13,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:13,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:13,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618697067] [2024-11-27 20:22:13,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618697067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:13,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:13,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:22:13,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206520105] [2024-11-27 20:22:13,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:13,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:22:13,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:13,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:22:13,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:22:13,358 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 459 out of 502 [2024-11-27 20:22:13,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 452 transitions, 1023 flow. Second operand has 5 states, 5 states have (on average 461.0) internal successors, (2305), 5 states have internal predecessors, (2305), 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) [2024-11-27 20:22:13,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:13,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 459 of 502 [2024-11-27 20:22:13,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:13,942 INFO L124 PetriNetUnfolderBase]: 99/2466 cut-off events. [2024-11-27 20:22:13,942 INFO L125 PetriNetUnfolderBase]: For 61/70 co-relation queries the response was YES. [2024-11-27 20:22:13,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2807 conditions, 2466 events. 99/2466 cut-off events. For 61/70 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 16771 event pairs, 34 based on Foata normal form. 8/2275 useless extension candidates. Maximal degree in co-relation 2758. Up to 103 conditions per place. [2024-11-27 20:22:13,980 INFO L140 encePairwiseOnDemand]: 496/502 looper letters, 22 selfloop transitions, 5 changer transitions 0/462 dead transitions. [2024-11-27 20:22:13,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 462 transitions, 1104 flow [2024-11-27 20:22:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:22:13,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 20:22:13,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2323 transitions. [2024-11-27 20:22:13,985 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9254980079681275 [2024-11-27 20:22:13,985 INFO L175 Difference]: Start difference. First operand has 449 places, 452 transitions, 1023 flow. Second operand 5 states and 2323 transitions. [2024-11-27 20:22:13,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 462 transitions, 1104 flow [2024-11-27 20:22:13,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 462 transitions, 1104 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:22:13,996 INFO L231 Difference]: Finished difference. Result has 455 places, 454 transitions, 1048 flow [2024-11-27 20:22:13,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1048, PETRI_PLACES=455, PETRI_TRANSITIONS=454} [2024-11-27 20:22:13,997 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -9 predicate places. [2024-11-27 20:22:13,997 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 454 transitions, 1048 flow [2024-11-27 20:22:13,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 461.0) internal successors, (2305), 5 states have internal predecessors, (2305), 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) [2024-11-27 20:22:13,999 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:13,999 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:13,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:22:13,999 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:14,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:14,000 INFO L85 PathProgramCache]: Analyzing trace with hash -832973949, now seen corresponding path program 1 times [2024-11-27 20:22:14,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:14,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339129012] [2024-11-27 20:22:14,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:14,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:14,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:14,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339129012] [2024-11-27 20:22:14,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339129012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:14,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:14,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:22:14,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590956418] [2024-11-27 20:22:14,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:14,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:22:14,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:14,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:22:14,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:22:15,122 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 502 [2024-11-27 20:22:15,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 454 transitions, 1048 flow. Second operand has 6 states, 6 states have (on average 454.6666666666667) internal successors, (2728), 6 states have internal predecessors, (2728), 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) [2024-11-27 20:22:15,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:15,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 502 [2024-11-27 20:22:15,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:15,768 INFO L124 PetriNetUnfolderBase]: 116/2548 cut-off events. [2024-11-27 20:22:15,768 INFO L125 PetriNetUnfolderBase]: For 143/152 co-relation queries the response was YES. [2024-11-27 20:22:15,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3022 conditions, 2548 events. 116/2548 cut-off events. For 143/152 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 17114 event pairs, 31 based on Foata normal form. 0/2349 useless extension candidates. Maximal degree in co-relation 2972. Up to 140 conditions per place. [2024-11-27 20:22:15,808 INFO L140 encePairwiseOnDemand]: 496/502 looper letters, 28 selfloop transitions, 5 changer transitions 0/461 dead transitions. [2024-11-27 20:22:15,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 461 transitions, 1136 flow [2024-11-27 20:22:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:22:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:22:15,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2750 transitions. [2024-11-27 20:22:15,814 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9130146082337317 [2024-11-27 20:22:15,815 INFO L175 Difference]: Start difference. First operand has 455 places, 454 transitions, 1048 flow. Second operand 6 states and 2750 transitions. [2024-11-27 20:22:15,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 461 transitions, 1136 flow [2024-11-27 20:22:15,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 461 transitions, 1131 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:22:15,824 INFO L231 Difference]: Finished difference. Result has 457 places, 453 transitions, 1051 flow [2024-11-27 20:22:15,825 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1051, PETRI_PLACES=457, PETRI_TRANSITIONS=453} [2024-11-27 20:22:15,826 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -7 predicate places. [2024-11-27 20:22:15,826 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 453 transitions, 1051 flow [2024-11-27 20:22:15,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 454.6666666666667) internal successors, (2728), 6 states have internal predecessors, (2728), 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) [2024-11-27 20:22:15,828 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:15,828 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:15,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:22:15,828 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:15,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:15,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1624006971, now seen corresponding path program 1 times [2024-11-27 20:22:15,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:15,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651588386] [2024-11-27 20:22:15,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:15,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:15,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:15,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:15,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651588386] [2024-11-27 20:22:15,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651588386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:15,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:15,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:22:15,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770432715] [2024-11-27 20:22:15,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:15,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:22:15,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:15,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:22:15,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:22:15,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 462 out of 502 [2024-11-27 20:22:15,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 453 transitions, 1051 flow. Second operand has 3 states, 3 states have (on average 463.6666666666667) internal successors, (1391), 3 states have internal predecessors, (1391), 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) [2024-11-27 20:22:15,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:15,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 462 of 502 [2024-11-27 20:22:15,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:17,392 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1336] L64-6-->L65: Formula: (= |v_#race~A~0_7| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][227], [Black: 542#(and (<= (+ ~M~0 1) 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 553#(= |#race~B~0| 0), Black: 513#true, 494#(= |#race~N~0| 0), 117#L65true, 517#true, 515#(= |#race~A~0| 0), 545#true, 236#L48-2true, Black: 523#(and (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~N~0 0)), Black: 529#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 522#(<= ~N~0 0), 509#(= |#race~M~0| 0), Black: 527#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 318#L56true, 388#L86-4true, Black: 541#(<= (+ ~M~0 1) 0)]) [2024-11-27 20:22:17,392 INFO L294 olderBase$Statistics]: this new event has 335 ancestors and is cut-off event [2024-11-27 20:22:17,392 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-11-27 20:22:17,392 INFO L297 olderBase$Statistics]: existing Event has 331 ancestors and is cut-off event [2024-11-27 20:22:17,393 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2024-11-27 20:22:17,494 INFO L124 PetriNetUnfolderBase]: 264/6416 cut-off events. [2024-11-27 20:22:17,495 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-11-27 20:22:17,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7142 conditions, 6416 events. 264/6416 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 60917 event pairs, 47 based on Foata normal form. 0/5925 useless extension candidates. Maximal degree in co-relation 7093. Up to 312 conditions per place. [2024-11-27 20:22:17,554 INFO L140 encePairwiseOnDemand]: 496/502 looper letters, 16 selfloop transitions, 3 changer transitions 0/457 dead transitions. [2024-11-27 20:22:17,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 457 transitions, 1101 flow [2024-11-27 20:22:17,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:22:17,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:22:17,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1408 transitions. [2024-11-27 20:22:17,557 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9349269588313412 [2024-11-27 20:22:17,557 INFO L175 Difference]: Start difference. First operand has 457 places, 453 transitions, 1051 flow. Second operand 3 states and 1408 transitions. [2024-11-27 20:22:17,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 457 transitions, 1101 flow [2024-11-27 20:22:17,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 457 transitions, 1091 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:22:17,568 INFO L231 Difference]: Finished difference. Result has 452 places, 453 transitions, 1056 flow [2024-11-27 20:22:17,569 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=452, PETRI_TRANSITIONS=453} [2024-11-27 20:22:17,570 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -12 predicate places. [2024-11-27 20:22:17,570 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 453 transitions, 1056 flow [2024-11-27 20:22:17,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 463.6666666666667) internal successors, (1391), 3 states have internal predecessors, (1391), 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) [2024-11-27 20:22:17,571 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:17,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:17,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:22:17,571 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:17,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:17,572 INFO L85 PathProgramCache]: Analyzing trace with hash -714646453, now seen corresponding path program 1 times [2024-11-27 20:22:17,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:17,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579418290] [2024-11-27 20:22:17,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:17,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:18,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:18,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:18,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579418290] [2024-11-27 20:22:18,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579418290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:18,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:18,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:22:18,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346220726] [2024-11-27 20:22:18,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:18,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:22:18,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:18,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:22:18,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:22:18,879 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 502 [2024-11-27 20:22:18,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 453 transitions, 1056 flow. Second operand has 6 states, 6 states have (on average 454.8333333333333) internal successors, (2729), 6 states have internal predecessors, (2729), 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) [2024-11-27 20:22:18,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:18,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 502 [2024-11-27 20:22:18,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:19,828 INFO L124 PetriNetUnfolderBase]: 330/3752 cut-off events. [2024-11-27 20:22:19,829 INFO L125 PetriNetUnfolderBase]: For 228/320 co-relation queries the response was YES. [2024-11-27 20:22:19,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4620 conditions, 3752 events. 330/3752 cut-off events. For 228/320 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 31536 event pairs, 59 based on Foata normal form. 0/3501 useless extension candidates. Maximal degree in co-relation 4570. Up to 211 conditions per place. [2024-11-27 20:22:19,858 INFO L140 encePairwiseOnDemand]: 496/502 looper letters, 26 selfloop transitions, 5 changer transitions 0/460 dead transitions. [2024-11-27 20:22:19,859 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 460 transitions, 1140 flow [2024-11-27 20:22:19,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:22:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:22:19,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2750 transitions. [2024-11-27 20:22:19,863 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9130146082337317 [2024-11-27 20:22:19,863 INFO L175 Difference]: Start difference. First operand has 452 places, 453 transitions, 1056 flow. Second operand 6 states and 2750 transitions. [2024-11-27 20:22:19,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 460 transitions, 1140 flow [2024-11-27 20:22:19,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 460 transitions, 1140 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:22:19,873 INFO L231 Difference]: Finished difference. Result has 456 places, 452 transitions, 1064 flow [2024-11-27 20:22:19,874 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1064, PETRI_PLACES=456, PETRI_TRANSITIONS=452} [2024-11-27 20:22:19,875 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -8 predicate places. [2024-11-27 20:22:19,875 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 452 transitions, 1064 flow [2024-11-27 20:22:19,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 454.8333333333333) internal successors, (2729), 6 states have internal predecessors, (2729), 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) [2024-11-27 20:22:19,876 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:19,876 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:19,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:22:19,876 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:19,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:19,877 INFO L85 PathProgramCache]: Analyzing trace with hash -787227607, now seen corresponding path program 1 times [2024-11-27 20:22:19,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:19,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77851804] [2024-11-27 20:22:19,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:19,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:20,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-27 20:22:20,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:20,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77851804] [2024-11-27 20:22:20,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77851804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:20,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:20,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:22:20,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062468427] [2024-11-27 20:22:20,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:20,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:22:20,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:20,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:22:20,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:22:20,914 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 502 [2024-11-27 20:22:20,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 452 transitions, 1064 flow. Second operand has 6 states, 6 states have (on average 454.6666666666667) internal successors, (2728), 6 states have internal predecessors, (2728), 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) [2024-11-27 20:22:20,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:20,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 502 [2024-11-27 20:22:20,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:21,721 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1240] L55-4-->L56: Formula: (= |v_#race~A~0_4| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_4|} AuxVars[] AssignedVars[#race~A~0][229], [Black: 542#(and (<= (+ ~M~0 1) 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 553#(= |#race~B~0| 0), Black: 513#true, 494#(= |#race~N~0| 0), 555#true, Black: 551#true, 117#L65true, 561#true, 517#true, 515#(= |#race~A~0| 0), Black: 523#(and (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~N~0 0)), Black: 529#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 509#(= |#race~M~0| 0), Black: 522#(<= ~N~0 0), Black: 527#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 377#L87-1true, 318#L56true, Black: 541#(<= (+ ~M~0 1) 0)]) [2024-11-27 20:22:21,721 INFO L294 olderBase$Statistics]: this new event has 334 ancestors and is cut-off event [2024-11-27 20:22:21,721 INFO L297 olderBase$Statistics]: existing Event has 265 ancestors and is cut-off event [2024-11-27 20:22:21,721 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2024-11-27 20:22:21,721 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2024-11-27 20:22:21,761 INFO L124 PetriNetUnfolderBase]: 180/3691 cut-off events. [2024-11-27 20:22:21,762 INFO L125 PetriNetUnfolderBase]: For 162/171 co-relation queries the response was YES. [2024-11-27 20:22:21,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4430 conditions, 3691 events. 180/3691 cut-off events. For 162/171 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 29064 event pairs, 47 based on Foata normal form. 0/3441 useless extension candidates. Maximal degree in co-relation 4379. Up to 155 conditions per place. [2024-11-27 20:22:21,810 INFO L140 encePairwiseOnDemand]: 496/502 looper letters, 28 selfloop transitions, 5 changer transitions 0/459 dead transitions. [2024-11-27 20:22:21,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 459 transitions, 1152 flow [2024-11-27 20:22:21,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:22:21,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:22:21,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2750 transitions. [2024-11-27 20:22:21,815 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9130146082337317 [2024-11-27 20:22:21,815 INFO L175 Difference]: Start difference. First operand has 456 places, 452 transitions, 1064 flow. Second operand 6 states and 2750 transitions. [2024-11-27 20:22:21,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 459 transitions, 1152 flow [2024-11-27 20:22:21,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 459 transitions, 1142 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:22:21,822 INFO L231 Difference]: Finished difference. Result has 455 places, 451 transitions, 1062 flow [2024-11-27 20:22:21,823 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=1052, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1062, PETRI_PLACES=455, PETRI_TRANSITIONS=451} [2024-11-27 20:22:21,824 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -9 predicate places. [2024-11-27 20:22:21,824 INFO L471 AbstractCegarLoop]: Abstraction has has 455 places, 451 transitions, 1062 flow [2024-11-27 20:22:21,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 454.6666666666667) internal successors, (2728), 6 states have internal predecessors, (2728), 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) [2024-11-27 20:22:21,825 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:21,825 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:21,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:22:21,825 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:21,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:21,826 INFO L85 PathProgramCache]: Analyzing trace with hash 530468081, now seen corresponding path program 1 times [2024-11-27 20:22:21,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:21,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836329651] [2024-11-27 20:22:21,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:21,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:22,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:22:22,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:22,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836329651] [2024-11-27 20:22:22,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836329651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:22,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:22,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:22:22,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086289258] [2024-11-27 20:22:22,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:22,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:22:22,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:22,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:22:22,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:22:22,767 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 502 [2024-11-27 20:22:22,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 451 transitions, 1062 flow. Second operand has 6 states, 6 states have (on average 454.8333333333333) internal successors, (2729), 6 states have internal predecessors, (2729), 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) [2024-11-27 20:22:22,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:22,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 502 [2024-11-27 20:22:22,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:23,584 INFO L124 PetriNetUnfolderBase]: 253/3511 cut-off events. [2024-11-27 20:22:23,584 INFO L125 PetriNetUnfolderBase]: For 168/275 co-relation queries the response was YES. [2024-11-27 20:22:23,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4221 conditions, 3511 events. 253/3511 cut-off events. For 168/275 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 28733 event pairs, 59 based on Foata normal form. 0/3276 useless extension candidates. Maximal degree in co-relation 4170. Up to 216 conditions per place. [2024-11-27 20:22:23,611 INFO L140 encePairwiseOnDemand]: 496/502 looper letters, 26 selfloop transitions, 5 changer transitions 14/458 dead transitions. [2024-11-27 20:22:23,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 458 transitions, 1146 flow [2024-11-27 20:22:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:22:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:22:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2750 transitions. [2024-11-27 20:22:23,616 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9130146082337317 [2024-11-27 20:22:23,616 INFO L175 Difference]: Start difference. First operand has 455 places, 451 transitions, 1062 flow. Second operand 6 states and 2750 transitions. [2024-11-27 20:22:23,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 458 transitions, 1146 flow [2024-11-27 20:22:23,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 458 transitions, 1136 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:22:23,624 INFO L231 Difference]: Finished difference. Result has 454 places, 436 transitions, 989 flow [2024-11-27 20:22:23,625 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=989, PETRI_PLACES=454, PETRI_TRANSITIONS=436} [2024-11-27 20:22:23,625 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -10 predicate places. [2024-11-27 20:22:23,625 INFO L471 AbstractCegarLoop]: Abstraction has has 454 places, 436 transitions, 989 flow [2024-11-27 20:22:23,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 454.8333333333333) internal successors, (2729), 6 states have internal predecessors, (2729), 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) [2024-11-27 20:22:23,627 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:23,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:23,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:22:23,627 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:23,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:23,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1747114574, now seen corresponding path program 1 times [2024-11-27 20:22:23,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:23,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439236240] [2024-11-27 20:22:23,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:23,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:22:24,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:24,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439236240] [2024-11-27 20:22:24,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439236240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:24,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:24,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:22:24,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948062521] [2024-11-27 20:22:24,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:24,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:22:24,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:24,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:22:24,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:22:24,742 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 502 [2024-11-27 20:22:24,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 436 transitions, 989 flow. Second operand has 6 states, 6 states have (on average 455.8333333333333) internal successors, (2735), 6 states have internal predecessors, (2735), 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) [2024-11-27 20:22:24,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:24,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 502 [2024-11-27 20:22:24,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:25,287 INFO L124 PetriNetUnfolderBase]: 130/2468 cut-off events. [2024-11-27 20:22:25,287 INFO L125 PetriNetUnfolderBase]: For 31/43 co-relation queries the response was YES. [2024-11-27 20:22:25,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3002 conditions, 2468 events. 130/2468 cut-off events. For 31/43 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 17872 event pairs, 21 based on Foata normal form. 2/2339 useless extension candidates. Maximal degree in co-relation 2951. Up to 76 conditions per place. [2024-11-27 20:22:25,317 INFO L140 encePairwiseOnDemand]: 496/502 looper letters, 26 selfloop transitions, 5 changer transitions 0/443 dead transitions. [2024-11-27 20:22:25,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 443 transitions, 1073 flow [2024-11-27 20:22:25,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:22:25,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:22:25,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2750 transitions. [2024-11-27 20:22:25,320 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9130146082337317 [2024-11-27 20:22:25,320 INFO L175 Difference]: Start difference. First operand has 454 places, 436 transitions, 989 flow. Second operand 6 states and 2750 transitions. [2024-11-27 20:22:25,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 443 transitions, 1073 flow [2024-11-27 20:22:25,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 443 transitions, 1025 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-11-27 20:22:25,330 INFO L231 Difference]: Finished difference. Result has 442 places, 435 transitions, 949 flow [2024-11-27 20:22:25,331 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=939, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=949, PETRI_PLACES=442, PETRI_TRANSITIONS=435} [2024-11-27 20:22:25,331 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -22 predicate places. [2024-11-27 20:22:25,331 INFO L471 AbstractCegarLoop]: Abstraction has has 442 places, 435 transitions, 949 flow [2024-11-27 20:22:25,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 455.8333333333333) internal successors, (2735), 6 states have internal predecessors, (2735), 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) [2024-11-27 20:22:25,333 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:25,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:25,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:22:25,333 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:25,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:25,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1252833268, now seen corresponding path program 1 times [2024-11-27 20:22:25,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:25,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415128026] [2024-11-27 20:22:25,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:25,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:25,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:22:25,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:25,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415128026] [2024-11-27 20:22:25,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415128026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:25,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:25,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:22:25,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157576788] [2024-11-27 20:22:25,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:25,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:22:25,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:25,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:22:25,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:22:26,386 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 453 out of 502 [2024-11-27 20:22:26,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 435 transitions, 949 flow. Second operand has 6 states, 6 states have (on average 455.8333333333333) internal successors, (2735), 6 states have internal predecessors, (2735), 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) [2024-11-27 20:22:26,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:26,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 453 of 502 [2024-11-27 20:22:26,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:26,872 INFO L124 PetriNetUnfolderBase]: 110/2442 cut-off events. [2024-11-27 20:22:26,872 INFO L125 PetriNetUnfolderBase]: For 15/37 co-relation queries the response was YES. [2024-11-27 20:22:26,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2855 conditions, 2442 events. 110/2442 cut-off events. For 15/37 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 17510 event pairs, 21 based on Foata normal form. 8/2313 useless extension candidates. Maximal degree in co-relation 2811. Up to 76 conditions per place. [2024-11-27 20:22:26,894 INFO L140 encePairwiseOnDemand]: 496/502 looper letters, 26 selfloop transitions, 5 changer transitions 0/442 dead transitions. [2024-11-27 20:22:26,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 442 transitions, 1033 flow [2024-11-27 20:22:26,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:22:26,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:22:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2750 transitions. [2024-11-27 20:22:26,900 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9130146082337317 [2024-11-27 20:22:26,900 INFO L175 Difference]: Start difference. First operand has 442 places, 435 transitions, 949 flow. Second operand 6 states and 2750 transitions. [2024-11-27 20:22:26,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 442 transitions, 1033 flow [2024-11-27 20:22:26,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 442 transitions, 1023 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:22:26,906 INFO L231 Difference]: Finished difference. Result has 441 places, 434 transitions, 947 flow [2024-11-27 20:22:26,906 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=947, PETRI_PLACES=441, PETRI_TRANSITIONS=434} [2024-11-27 20:22:26,907 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -23 predicate places. [2024-11-27 20:22:26,907 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 434 transitions, 947 flow [2024-11-27 20:22:26,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 455.8333333333333) internal successors, (2735), 6 states have internal predecessors, (2735), 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) [2024-11-27 20:22:26,908 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:22:26,909 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:26,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:22:26,909 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-27 20:22:26,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:26,910 INFO L85 PathProgramCache]: Analyzing trace with hash -896676207, now seen corresponding path program 1 times [2024-11-27 20:22:26,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:26,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485207786] [2024-11-27 20:22:26,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:26,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:26,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:22:26,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:22:26,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485207786] [2024-11-27 20:22:26,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485207786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:22:26,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:22:26,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:22:26,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065770970] [2024-11-27 20:22:26,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:22:26,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:22:26,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:22:26,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:22:27,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:22:27,018 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 465 out of 502 [2024-11-27 20:22:27,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 434 transitions, 947 flow. Second operand has 3 states, 3 states have (on average 466.6666666666667) internal successors, (1400), 3 states have internal predecessors, (1400), 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) [2024-11-27 20:22:27,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:22:27,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 465 of 502 [2024-11-27 20:22:27,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:22:27,545 INFO L124 PetriNetUnfolderBase]: 101/2387 cut-off events. [2024-11-27 20:22:27,546 INFO L125 PetriNetUnfolderBase]: For 9/25 co-relation queries the response was YES. [2024-11-27 20:22:27,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2720 conditions, 2387 events. 101/2387 cut-off events. For 9/25 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 17048 event pairs, 21 based on Foata normal form. 2/2263 useless extension candidates. Maximal degree in co-relation 2677. Up to 77 conditions per place. [2024-11-27 20:22:27,565 INFO L140 encePairwiseOnDemand]: 499/502 looper letters, 0 selfloop transitions, 0 changer transitions 435/435 dead transitions. [2024-11-27 20:22:27,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 435 transitions, 975 flow [2024-11-27 20:22:27,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:22:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:22:27,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1408 transitions. [2024-11-27 20:22:27,569 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9349269588313412 [2024-11-27 20:22:27,569 INFO L175 Difference]: Start difference. First operand has 441 places, 434 transitions, 947 flow. Second operand 3 states and 1408 transitions. [2024-11-27 20:22:27,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 435 transitions, 975 flow [2024-11-27 20:22:27,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 435 transitions, 965 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:22:27,573 INFO L231 Difference]: Finished difference. Result has 437 places, 0 transitions, 0 flow [2024-11-27 20:22:27,574 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=502, PETRI_DIFFERENCE_MINUEND_FLOW=935, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=437, PETRI_TRANSITIONS=0} [2024-11-27 20:22:27,574 INFO L279 CegarLoopForPetriNet]: 464 programPoint places, -27 predicate places. [2024-11-27 20:22:27,574 INFO L471 AbstractCegarLoop]: Abstraction has has 437 places, 0 transitions, 0 flow [2024-11-27 20:22:27,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 466.6666666666667) internal successors, (1400), 3 states have internal predecessors, (1400), 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) [2024-11-27 20:22:27,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (50 of 51 remaining) [2024-11-27 20:22:27,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2024-11-27 20:22:27,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2024-11-27 20:22:27,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2024-11-27 20:22:27,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2024-11-27 20:22:27,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2024-11-27 20:22:27,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2024-11-27 20:22:27,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2024-11-27 20:22:27,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2024-11-27 20:22:27,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2024-11-27 20:22:27,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2024-11-27 20:22:27,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2024-11-27 20:22:27,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2024-11-27 20:22:27,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2024-11-27 20:22:27,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2024-11-27 20:22:27,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 51 remaining) [2024-11-27 20:22:27,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 51 remaining) [2024-11-27 20:22:27,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 51 remaining) [2024-11-27 20:22:27,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2024-11-27 20:22:27,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2024-11-27 20:22:27,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2024-11-27 20:22:27,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2024-11-27 20:22:27,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2024-11-27 20:22:27,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2024-11-27 20:22:27,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2024-11-27 20:22:27,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2024-11-27 20:22:27,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2024-11-27 20:22:27,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2024-11-27 20:22:27,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2024-11-27 20:22:27,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2024-11-27 20:22:27,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2024-11-27 20:22:27,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2024-11-27 20:22:27,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2024-11-27 20:22:27,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2024-11-27 20:22:27,582 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2024-11-27 20:22:27,582 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2024-11-27 20:22:27,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 20:22:27,582 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:27,587 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:22:27,587 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:22:27,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:22:27 BasicIcfg [2024-11-27 20:22:27,594 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:22:27,594 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:22:27,594 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:22:27,595 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:22:27,595 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:22:02" (3/4) ... [2024-11-27 20:22:27,597 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:22:27,601 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 20:22:27,601 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 20:22:27,601 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-27 20:22:27,607 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-27 20:22:27,608 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 20:22:27,608 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:22:27,609 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:22:27,713 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:22:27,714 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:22:27,714 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:22:27,715 INFO L158 Benchmark]: Toolchain (without parser) took 27059.48ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 105.7MB in the beginning and 922.1MB in the end (delta: -816.4MB). Peak memory consumption was 252.2MB. Max. memory is 16.1GB. [2024-11-27 20:22:27,715 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:22:27,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.15ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 92.5MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:22:27,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.24ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 89.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:22:27,716 INFO L158 Benchmark]: Boogie Preprocessor took 65.84ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 86.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:22:27,717 INFO L158 Benchmark]: RCFGBuilder took 1060.60ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 52.3MB in the end (delta: 34.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:22:27,717 INFO L158 Benchmark]: TraceAbstraction took 25392.10ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 51.7MB in the beginning and 926.2MB in the end (delta: -874.6MB). Peak memory consumption was 814.3MB. Max. memory is 16.1GB. [2024-11-27 20:22:27,717 INFO L158 Benchmark]: Witness Printer took 119.81ms. Allocated memory is still 1.2GB. Free memory was 926.2MB in the beginning and 922.1MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:22:27,719 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.15ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 92.5MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.24ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 89.6MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.84ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 86.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1060.60ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 52.3MB in the end (delta: 34.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 25392.10ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 51.7MB in the beginning and 926.2MB in the end (delta: -874.6MB). Peak memory consumption was 814.3MB. Max. memory is 16.1GB. * Witness Printer took 119.81ms. Allocated memory is still 1.2GB. Free memory was 926.2MB in the beginning and 922.1MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 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: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: 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: 65]: 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: 65]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: 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: 91]: 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, 750 locations, 51 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: 25.1s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1965 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1087 mSDsluCounter, 545 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 365 mSDsCounter, 590 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3354 IncrementalHoareTripleChecker+Invalid, 3944 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 590 mSolverCounterUnsat, 180 mSDtfsCounter, 3354 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1064occurred in iteration=14, InterpolantAutomatonStates: 87, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 2206 NumberOfCodeBlocks, 2206 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2187 ConstructedInterpolants, 0 QuantifiedInterpolants, 3302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 9/9 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:22:27,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7adeb86-f991-4302-b4e8-769204574e6a/bin/uautomizer-verify-aQ6SnzHsRB/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