./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i --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_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/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_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/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_d29bf3ad-4b2d-4389-889f-f15965994121/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 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:58:05,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:58:05,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:58:05,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:58:05,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:58:05,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:58:05,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:58:05,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:58:05,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:58:05,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:58:05,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:58:05,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:58:05,188 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:58:05,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:58:05,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:58:05,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:58:05,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:58:05,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:58:05,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:58:05,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:58:05,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:58:05,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:58:05,192 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:58:05,192 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:58:05,192 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:58:05,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:58:05,193 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:58:05,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:58:05,193 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:58:05,193 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:58:05,193 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:58:05,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:58:05,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:58:05,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:58:05,194 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:58:05,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:58:05,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:58:05,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:58:05,194 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:58:05,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:58:05,194 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:58:05,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:58:05,195 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:58:05,195 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:58:05,195 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:58:05,195 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:58:05,195 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_d29bf3ad-4b2d-4389-889f-f15965994121/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 -> 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c [2024-11-28 02:58:05,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:58:05,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:58:05,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:58:05,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:58:05,637 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:58:05,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2024-11-28 02:58:09,436 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/data/e49e7a734/607cdb679f294793aabc7920e84caf1a/FLAG3173086da [2024-11-28 02:58:09,983 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:58:09,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2024-11-28 02:58:10,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/data/e49e7a734/607cdb679f294793aabc7920e84caf1a/FLAG3173086da [2024-11-28 02:58:10,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/data/e49e7a734/607cdb679f294793aabc7920e84caf1a [2024-11-28 02:58:10,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:58:10,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:58:10,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:58:10,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:58:10,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:58:10,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:10" (1/1) ... [2024-11-28 02:58:10,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df5c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:10, skipping insertion in model container [2024-11-28 02:58:10,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:10" (1/1) ... [2024-11-28 02:58:10,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:58:10,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:58:10,825 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:58:10,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:58:11,081 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:58:11,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11 WrapperNode [2024-11-28 02:58:11,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:58:11,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:58:11,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:58:11,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:58:11,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2024-11-28 02:58:11,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2024-11-28 02:58:11,210 INFO L138 Inliner]: procedures = 372, calls = 94, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 391 [2024-11-28 02:58:11,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:58:11,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:58:11,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:58:11,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:58:11,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2024-11-28 02:58:11,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2024-11-28 02:58:11,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2024-11-28 02:58:11,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2024-11-28 02:58:11,266 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2024-11-28 02:58:11,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2024-11-28 02:58:11,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2024-11-28 02:58:11,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2024-11-28 02:58:11,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2024-11-28 02:58:11,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:58:11,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:58:11,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:58:11,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:58:11,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (1/1) ... [2024-11-28 02:58:11,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:58:11,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:11,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:58:11,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:58:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-28 02:58:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-28 02:58:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 02:58:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 02:58:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 02:58:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 02:58:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:58:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:58:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 02:58:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 02:58:11,405 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 02:58:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:58:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:58:11,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:58:11,407 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:58:11,647 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:58:11,650 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:58:12,804 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:58:12,805 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:58:12,838 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:58:12,838 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:58:12,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:12 BoogieIcfgContainer [2024-11-28 02:58:12,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:58:12,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:58:12,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:58:12,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:58:12,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:10" (1/3) ... [2024-11-28 02:58:12,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b332a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:12, skipping insertion in model container [2024-11-28 02:58:12,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:11" (2/3) ... [2024-11-28 02:58:12,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b332a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:12, skipping insertion in model container [2024-11-28 02:58:12,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:12" (3/3) ... [2024-11-28 02:58:12,849 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2024-11-28 02:58:12,866 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:58:12,869 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_12-arraycollapse_rc.i that has 2 procedures, 454 locations, 1 initial locations, 1 loop locations, and 28 error locations. [2024-11-28 02:58:12,869 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:58:13,124 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 02:58:13,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 457 places, 458 transitions, 920 flow [2024-11-28 02:58:13,516 INFO L124 PetriNetUnfolderBase]: 5/457 cut-off events. [2024-11-28 02:58:13,521 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:58:13,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 461 conditions, 457 events. 5/457 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 361 event pairs, 0 based on Foata normal form. 0/424 useless extension candidates. Maximal degree in co-relation 329. Up to 2 conditions per place. [2024-11-28 02:58:13,538 INFO L82 GeneralOperation]: Start removeDead. Operand has 457 places, 458 transitions, 920 flow [2024-11-28 02:58:13,553 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 456 places, 457 transitions, 917 flow [2024-11-28 02:58:13,570 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:58:13,588 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;@2c29a671, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:58:13,589 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-11-28 02:58:13,622 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:58:13,623 INFO L124 PetriNetUnfolderBase]: 2/103 cut-off events. [2024-11-28 02:58:13,623 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:58:13,623 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:13,624 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] [2024-11-28 02:58:13,624 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:13,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:13,632 INFO L85 PathProgramCache]: Analyzing trace with hash 298150368, now seen corresponding path program 1 times [2024-11-28 02:58:13,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:13,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952752008] [2024-11-28 02:58:13,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:13,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:15,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:15,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:15,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952752008] [2024-11-28 02:58:15,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952752008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:15,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:15,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:15,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359128978] [2024-11-28 02:58:15,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:15,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:58:15,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:15,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:58:15,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:58:16,820 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 458 [2024-11-28 02:58:16,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 457 transitions, 917 flow. Second operand has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 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) [2024-11-28 02:58:16,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:16,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 458 [2024-11-28 02:58:16,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:17,651 INFO L124 PetriNetUnfolderBase]: 365/1812 cut-off events. [2024-11-28 02:58:17,651 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 02:58:17,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2668 conditions, 1812 events. 365/1812 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9473 event pairs, 364 based on Foata normal form. 14/1689 useless extension candidates. Maximal degree in co-relation 2256. Up to 837 conditions per place. [2024-11-28 02:58:17,676 INFO L140 encePairwiseOnDemand]: 436/458 looper letters, 108 selfloop transitions, 15 changer transitions 2/450 dead transitions. [2024-11-28 02:58:17,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 450 transitions, 1149 flow [2024-11-28 02:58:17,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:58:17,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:58:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2098 transitions. [2024-11-28 02:58:17,709 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7634643377001455 [2024-11-28 02:58:17,712 INFO L175 Difference]: Start difference. First operand has 456 places, 457 transitions, 917 flow. Second operand 6 states and 2098 transitions. [2024-11-28 02:58:17,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 450 transitions, 1149 flow [2024-11-28 02:58:17,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 450 transitions, 1148 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:58:17,744 INFO L231 Difference]: Finished difference. Result has 457 places, 448 transitions, 928 flow [2024-11-28 02:58:17,749 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=928, PETRI_PLACES=457, PETRI_TRANSITIONS=448} [2024-11-28 02:58:17,754 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 1 predicate places. [2024-11-28 02:58:17,755 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 448 transitions, 928 flow [2024-11-28 02:58:17,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 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) [2024-11-28 02:58:17,759 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:17,760 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] [2024-11-28 02:58:17,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:58:17,760 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:17,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:17,762 INFO L85 PathProgramCache]: Analyzing trace with hash 879759695, now seen corresponding path program 1 times [2024-11-28 02:58:17,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:17,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273220364] [2024-11-28 02:58:17,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:17,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:18,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:18,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:18,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273220364] [2024-11-28 02:58:18,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273220364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:18,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:18,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:18,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159912476] [2024-11-28 02:58:18,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:18,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:58:18,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:18,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:58:18,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:58:20,151 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 458 [2024-11-28 02:58:20,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 448 transitions, 928 flow. Second operand has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 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) [2024-11-28 02:58:20,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:20,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 458 [2024-11-28 02:58:20,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:20,669 INFO L124 PetriNetUnfolderBase]: 365/1807 cut-off events. [2024-11-28 02:58:20,669 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:58:20,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2678 conditions, 1807 events. 365/1807 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9501 event pairs, 364 based on Foata normal form. 0/1675 useless extension candidates. Maximal degree in co-relation 2399. Up to 837 conditions per place. [2024-11-28 02:58:20,679 INFO L140 encePairwiseOnDemand]: 440/458 looper letters, 108 selfloop transitions, 15 changer transitions 0/445 dead transitions. [2024-11-28 02:58:20,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 445 transitions, 1168 flow [2024-11-28 02:58:20,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:58:20,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:58:20,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2094 transitions. [2024-11-28 02:58:20,690 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7620087336244541 [2024-11-28 02:58:20,693 INFO L175 Difference]: Start difference. First operand has 457 places, 448 transitions, 928 flow. Second operand 6 states and 2094 transitions. [2024-11-28 02:58:20,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 445 transitions, 1168 flow [2024-11-28 02:58:20,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 445 transitions, 1138 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:58:20,707 INFO L231 Difference]: Finished difference. Result has 452 places, 445 transitions, 922 flow [2024-11-28 02:58:20,707 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=922, PETRI_PLACES=452, PETRI_TRANSITIONS=445} [2024-11-28 02:58:20,708 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -4 predicate places. [2024-11-28 02:58:20,708 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 445 transitions, 922 flow [2024-11-28 02:58:20,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 329.3333333333333) internal successors, (1976), 6 states have internal predecessors, (1976), 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) [2024-11-28 02:58:20,710 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:20,710 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] [2024-11-28 02:58:20,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:58:20,711 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:20,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:20,712 INFO L85 PathProgramCache]: Analyzing trace with hash -199001489, now seen corresponding path program 1 times [2024-11-28 02:58:20,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:20,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870214488] [2024-11-28 02:58:20,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:20,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:21,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:21,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870214488] [2024-11-28 02:58:21,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870214488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:21,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:21,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:21,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468527105] [2024-11-28 02:58:21,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:21,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:58:21,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:21,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:58:21,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:58:22,569 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 458 [2024-11-28 02:58:22,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 445 transitions, 922 flow. Second operand has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 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) [2024-11-28 02:58:22,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:22,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 458 [2024-11-28 02:58:22,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:23,105 INFO L124 PetriNetUnfolderBase]: 391/1895 cut-off events. [2024-11-28 02:58:23,106 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 02:58:23,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2822 conditions, 1895 events. 391/1895 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10200 event pairs, 390 based on Foata normal form. 0/1758 useless extension candidates. Maximal degree in co-relation 2525. Up to 903 conditions per place. [2024-11-28 02:58:23,114 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 122 selfloop transitions, 5 changer transitions 0/444 dead transitions. [2024-11-28 02:58:23,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 444 transitions, 1174 flow [2024-11-28 02:58:23,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:58:23,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:58:23,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2084 transitions. [2024-11-28 02:58:23,121 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7583697234352256 [2024-11-28 02:58:23,121 INFO L175 Difference]: Start difference. First operand has 452 places, 445 transitions, 922 flow. Second operand 6 states and 2084 transitions. [2024-11-28 02:58:23,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 444 transitions, 1174 flow [2024-11-28 02:58:23,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 444 transitions, 1144 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:58:23,131 INFO L231 Difference]: Finished difference. Result has 451 places, 444 transitions, 900 flow [2024-11-28 02:58:23,132 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=451, PETRI_TRANSITIONS=444} [2024-11-28 02:58:23,133 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -5 predicate places. [2024-11-28 02:58:23,133 INFO L471 AbstractCegarLoop]: Abstraction has has 451 places, 444 transitions, 900 flow [2024-11-28 02:58:23,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 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) [2024-11-28 02:58:23,135 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:23,135 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] [2024-11-28 02:58:23,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:58:23,135 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:23,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:23,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1000030347, now seen corresponding path program 1 times [2024-11-28 02:58:23,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:23,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555117553] [2024-11-28 02:58:23,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:23,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:23,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:23,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555117553] [2024-11-28 02:58:23,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555117553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:23,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:23,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:58:23,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437709623] [2024-11-28 02:58:23,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:23,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:58:23,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:23,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:58:23,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:58:23,369 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 458 [2024-11-28 02:58:23,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 444 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 444.3333333333333) internal successors, (1333), 3 states have internal predecessors, (1333), 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) [2024-11-28 02:58:23,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:23,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 458 [2024-11-28 02:58:23,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:23,496 INFO L124 PetriNetUnfolderBase]: 7/629 cut-off events. [2024-11-28 02:58:23,496 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:58:23,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 668 conditions, 629 events. 7/629 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 630 event pairs, 6 based on Foata normal form. 1/594 useless extension candidates. Maximal degree in co-relation 467. Up to 24 conditions per place. [2024-11-28 02:58:23,500 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 10 selfloop transitions, 2 changer transitions 0/445 dead transitions. [2024-11-28 02:58:23,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 445 transitions, 926 flow [2024-11-28 02:58:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:58:23,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:58:23,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1342 transitions. [2024-11-28 02:58:23,506 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9767103347889374 [2024-11-28 02:58:23,506 INFO L175 Difference]: Start difference. First operand has 451 places, 444 transitions, 900 flow. Second operand 3 states and 1342 transitions. [2024-11-28 02:58:23,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 445 transitions, 926 flow [2024-11-28 02:58:23,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 445 transitions, 916 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:58:23,519 INFO L231 Difference]: Finished difference. Result has 449 places, 445 transitions, 902 flow [2024-11-28 02:58:23,520 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=449, PETRI_TRANSITIONS=445} [2024-11-28 02:58:23,522 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -7 predicate places. [2024-11-28 02:58:23,522 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 445 transitions, 902 flow [2024-11-28 02:58:23,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 444.3333333333333) internal successors, (1333), 3 states have internal predecessors, (1333), 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) [2024-11-28 02:58:23,524 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:23,524 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] [2024-11-28 02:58:23,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:58:23,524 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:23,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:23,526 INFO L85 PathProgramCache]: Analyzing trace with hash -974323257, now seen corresponding path program 1 times [2024-11-28 02:58:23,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:23,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089823581] [2024-11-28 02:58:23,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:23,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:24,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:24,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089823581] [2024-11-28 02:58:24,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089823581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:24,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:24,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:24,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213753498] [2024-11-28 02:58:24,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:24,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:58:24,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:24,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:58:24,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:58:26,189 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 458 [2024-11-28 02:58:26,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 445 transitions, 902 flow. Second operand has 6 states, 6 states have (on average 372.8333333333333) internal successors, (2237), 6 states have internal predecessors, (2237), 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) [2024-11-28 02:58:26,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:26,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 458 [2024-11-28 02:58:26,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:26,643 INFO L124 PetriNetUnfolderBase]: 55/870 cut-off events. [2024-11-28 02:58:26,643 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 02:58:26,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 870 events. 55/870 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2231 event pairs, 54 based on Foata normal form. 0/810 useless extension candidates. Maximal degree in co-relation 887. Up to 219 conditions per place. [2024-11-28 02:58:26,648 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 81 selfloop transitions, 5 changer transitions 0/444 dead transitions. [2024-11-28 02:58:26,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 444 transitions, 1072 flow [2024-11-28 02:58:26,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:58:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:58:26,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2294 transitions. [2024-11-28 02:58:26,655 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8347889374090247 [2024-11-28 02:58:26,656 INFO L175 Difference]: Start difference. First operand has 449 places, 445 transitions, 902 flow. Second operand 6 states and 2294 transitions. [2024-11-28 02:58:26,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 444 transitions, 1072 flow [2024-11-28 02:58:26,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 444 transitions, 1070 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:58:26,692 INFO L231 Difference]: Finished difference. Result has 452 places, 444 transitions, 908 flow [2024-11-28 02:58:26,693 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=908, PETRI_PLACES=452, PETRI_TRANSITIONS=444} [2024-11-28 02:58:26,694 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -4 predicate places. [2024-11-28 02:58:26,698 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 444 transitions, 908 flow [2024-11-28 02:58:26,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.8333333333333) internal successors, (2237), 6 states have internal predecessors, (2237), 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) [2024-11-28 02:58:26,700 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:26,700 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] [2024-11-28 02:58:26,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:58:26,700 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:26,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:26,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1865789993, now seen corresponding path program 1 times [2024-11-28 02:58:26,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:26,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983130913] [2024-11-28 02:58:26,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:26,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:27,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:27,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983130913] [2024-11-28 02:58:27,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983130913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:27,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:27,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:27,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751497745] [2024-11-28 02:58:27,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:27,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:58:27,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:27,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:58:27,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:58:28,991 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 458 [2024-11-28 02:58:28,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 444 transitions, 908 flow. Second operand has 6 states, 6 states have (on average 355.5) internal successors, (2133), 6 states have internal predecessors, (2133), 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) [2024-11-28 02:58:28,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:28,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 458 [2024-11-28 02:58:28,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:29,430 INFO L124 PetriNetUnfolderBase]: 37/783 cut-off events. [2024-11-28 02:58:29,430 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:58:29,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1012 conditions, 783 events. 37/783 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1733 event pairs, 36 based on Foata normal form. 0/740 useless extension candidates. Maximal degree in co-relation 755. Up to 190 conditions per place. [2024-11-28 02:58:29,433 INFO L140 encePairwiseOnDemand]: 440/458 looper letters, 85 selfloop transitions, 15 changer transitions 0/441 dead transitions. [2024-11-28 02:58:29,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 441 transitions, 1102 flow [2024-11-28 02:58:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:58:29,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:58:29,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2209 transitions. [2024-11-28 02:58:29,440 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8038573508005823 [2024-11-28 02:58:29,440 INFO L175 Difference]: Start difference. First operand has 452 places, 444 transitions, 908 flow. Second operand 6 states and 2209 transitions. [2024-11-28 02:58:29,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 441 transitions, 1102 flow [2024-11-28 02:58:29,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 441 transitions, 1092 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:58:29,450 INFO L231 Difference]: Finished difference. Result has 449 places, 441 transitions, 922 flow [2024-11-28 02:58:29,450 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=922, PETRI_PLACES=449, PETRI_TRANSITIONS=441} [2024-11-28 02:58:29,451 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -7 predicate places. [2024-11-28 02:58:29,451 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 441 transitions, 922 flow [2024-11-28 02:58:29,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 355.5) internal successors, (2133), 6 states have internal predecessors, (2133), 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) [2024-11-28 02:58:29,453 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:29,453 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] [2024-11-28 02:58:29,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:58:29,454 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:29,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:29,455 INFO L85 PathProgramCache]: Analyzing trace with hash -533294392, now seen corresponding path program 1 times [2024-11-28 02:58:29,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:29,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680421411] [2024-11-28 02:58:29,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:29,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:30,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:30,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680421411] [2024-11-28 02:58:30,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680421411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:30,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:30,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:30,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762167042] [2024-11-28 02:58:30,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:30,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:58:30,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:30,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:58:30,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:58:31,248 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 458 [2024-11-28 02:58:31,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 441 transitions, 922 flow. Second operand has 6 states, 6 states have (on average 319.1666666666667) internal successors, (1915), 6 states have internal predecessors, (1915), 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) [2024-11-28 02:58:31,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:31,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 458 [2024-11-28 02:58:31,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:32,107 INFO L124 PetriNetUnfolderBase]: 365/1905 cut-off events. [2024-11-28 02:58:32,108 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 02:58:32,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2844 conditions, 1905 events. 365/1905 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9439 event pairs, 364 based on Foata normal form. 0/1781 useless extension candidates. Maximal degree in co-relation 2457. Up to 890 conditions per place. [2024-11-28 02:58:32,118 INFO L140 encePairwiseOnDemand]: 440/458 looper letters, 123 selfloop transitions, 15 changer transitions 0/438 dead transitions. [2024-11-28 02:58:32,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 438 transitions, 1192 flow [2024-11-28 02:58:32,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:58:32,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:58:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2019 transitions. [2024-11-28 02:58:32,125 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7347161572052402 [2024-11-28 02:58:32,125 INFO L175 Difference]: Start difference. First operand has 449 places, 441 transitions, 922 flow. Second operand 6 states and 2019 transitions. [2024-11-28 02:58:32,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 438 transitions, 1192 flow [2024-11-28 02:58:32,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 438 transitions, 1162 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:58:32,138 INFO L231 Difference]: Finished difference. Result has 446 places, 438 transitions, 916 flow [2024-11-28 02:58:32,139 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=916, PETRI_PLACES=446, PETRI_TRANSITIONS=438} [2024-11-28 02:58:32,141 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -10 predicate places. [2024-11-28 02:58:32,142 INFO L471 AbstractCegarLoop]: Abstraction has has 446 places, 438 transitions, 916 flow [2024-11-28 02:58:32,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 319.1666666666667) internal successors, (1915), 6 states have internal predecessors, (1915), 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) [2024-11-28 02:58:32,143 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:32,144 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] [2024-11-28 02:58:32,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:58:32,144 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:32,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:32,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1442099230, now seen corresponding path program 1 times [2024-11-28 02:58:32,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:32,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910554404] [2024-11-28 02:58:32,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:32,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:32,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:32,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910554404] [2024-11-28 02:58:32,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910554404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:32,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:32,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:32,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347219710] [2024-11-28 02:58:32,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:32,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:58:32,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:32,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:58:32,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:58:33,816 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 458 [2024-11-28 02:58:33,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 438 transitions, 916 flow. Second operand has 6 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 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) [2024-11-28 02:58:33,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:33,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 458 [2024-11-28 02:58:33,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:34,568 INFO L124 PetriNetUnfolderBase]: 365/1901 cut-off events. [2024-11-28 02:58:34,569 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 02:58:34,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2836 conditions, 1901 events. 365/1901 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9445 event pairs, 364 based on Foata normal form. 0/1781 useless extension candidates. Maximal degree in co-relation 2453. Up to 886 conditions per place. [2024-11-28 02:58:34,579 INFO L140 encePairwiseOnDemand]: 440/458 looper letters, 120 selfloop transitions, 15 changer transitions 0/435 dead transitions. [2024-11-28 02:58:34,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 435 transitions, 1180 flow [2024-11-28 02:58:34,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:58:34,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:58:34,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2034 transitions. [2024-11-28 02:58:34,587 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.740174672489083 [2024-11-28 02:58:34,587 INFO L175 Difference]: Start difference. First operand has 446 places, 438 transitions, 916 flow. Second operand 6 states and 2034 transitions. [2024-11-28 02:58:34,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 435 transitions, 1180 flow [2024-11-28 02:58:34,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 435 transitions, 1150 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:58:34,599 INFO L231 Difference]: Finished difference. Result has 443 places, 435 transitions, 910 flow [2024-11-28 02:58:34,601 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=910, PETRI_PLACES=443, PETRI_TRANSITIONS=435} [2024-11-28 02:58:34,605 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -13 predicate places. [2024-11-28 02:58:34,606 INFO L471 AbstractCegarLoop]: Abstraction has has 443 places, 435 transitions, 910 flow [2024-11-28 02:58:34,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 322.6666666666667) internal successors, (1936), 6 states have internal predecessors, (1936), 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) [2024-11-28 02:58:34,607 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:34,607 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:34,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:58:34,608 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:34,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:34,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1977566122, now seen corresponding path program 1 times [2024-11-28 02:58:34,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:34,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118473236] [2024-11-28 02:58:34,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:34,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:34,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:34,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118473236] [2024-11-28 02:58:34,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118473236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:58:34,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296477297] [2024-11-28 02:58:34,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:34,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:34,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:34,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:58:34,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:58:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:35,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:58:35,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:35,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:35,652 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:58:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:35,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296477297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:58:35,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:58:35,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-28 02:58:35,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087101177] [2024-11-28 02:58:35,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:58:35,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:58:35,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:35,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:58:35,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:58:36,181 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 458 [2024-11-28 02:58:36,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 435 transitions, 910 flow. Second operand has 10 states, 10 states have (on average 441.8) internal successors, (4418), 10 states have internal predecessors, (4418), 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) [2024-11-28 02:58:36,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:36,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 458 [2024-11-28 02:58:36,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:36,429 INFO L124 PetriNetUnfolderBase]: 7/723 cut-off events. [2024-11-28 02:58:36,430 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:58:36,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 723 events. 7/723 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 393 event pairs, 6 based on Foata normal form. 2/703 useless extension candidates. Maximal degree in co-relation 365. Up to 24 conditions per place. [2024-11-28 02:58:36,433 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 14 selfloop transitions, 9 changer transitions 0/443 dead transitions. [2024-11-28 02:58:36,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 443 transitions, 974 flow [2024-11-28 02:58:36,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:58:36,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 02:58:36,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3985 transitions. [2024-11-28 02:58:36,443 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9667637069383794 [2024-11-28 02:58:36,443 INFO L175 Difference]: Start difference. First operand has 443 places, 435 transitions, 910 flow. Second operand 9 states and 3985 transitions. [2024-11-28 02:58:36,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 443 transitions, 974 flow [2024-11-28 02:58:36,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 443 transitions, 944 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:58:36,452 INFO L231 Difference]: Finished difference. Result has 449 places, 441 transitions, 930 flow [2024-11-28 02:58:36,453 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=930, PETRI_PLACES=449, PETRI_TRANSITIONS=441} [2024-11-28 02:58:36,455 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, -7 predicate places. [2024-11-28 02:58:36,456 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 441 transitions, 930 flow [2024-11-28 02:58:36,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 441.8) internal successors, (4418), 10 states have internal predecessors, (4418), 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) [2024-11-28 02:58:36,461 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:36,463 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:36,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:58:36,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:36,664 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:36,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:36,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1367454296, now seen corresponding path program 2 times [2024-11-28 02:58:36,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:36,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671381856] [2024-11-28 02:58:36,666 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:58:36,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:36,799 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:58:36,799 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:58:37,338 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-28 02:58:37,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:37,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671381856] [2024-11-28 02:58:37,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671381856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:37,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:37,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:37,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652030231] [2024-11-28 02:58:37,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:37,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:58:37,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:37,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:58:37,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:58:39,046 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 458 [2024-11-28 02:58:39,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 441 transitions, 930 flow. Second operand has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 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) [2024-11-28 02:58:39,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:39,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 458 [2024-11-28 02:58:39,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:39,911 INFO L124 PetriNetUnfolderBase]: 257/1976 cut-off events. [2024-11-28 02:58:39,911 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 02:58:39,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2671 conditions, 1976 events. 257/1976 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 9139 event pairs, 37 based on Foata normal form. 0/1853 useless extension candidates. Maximal degree in co-relation 2169. Up to 515 conditions per place. [2024-11-28 02:58:39,923 INFO L140 encePairwiseOnDemand]: 429/458 looper letters, 91 selfloop transitions, 75 changer transitions 0/518 dead transitions. [2024-11-28 02:58:39,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 518 transitions, 1416 flow [2024-11-28 02:58:39,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:58:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:58:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2358 transitions. [2024-11-28 02:58:39,930 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8580786026200873 [2024-11-28 02:58:39,931 INFO L175 Difference]: Start difference. First operand has 449 places, 441 transitions, 930 flow. Second operand 6 states and 2358 transitions. [2024-11-28 02:58:39,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 518 transitions, 1416 flow [2024-11-28 02:58:39,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 518 transitions, 1410 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-28 02:58:39,946 INFO L231 Difference]: Finished difference. Result has 457 places, 509 transitions, 1404 flow [2024-11-28 02:58:39,947 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1404, PETRI_PLACES=457, PETRI_TRANSITIONS=509} [2024-11-28 02:58:39,949 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 1 predicate places. [2024-11-28 02:58:39,949 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 509 transitions, 1404 flow [2024-11-28 02:58:39,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 372.3333333333333) internal successors, (2234), 6 states have internal predecessors, (2234), 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) [2024-11-28 02:58:39,951 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:39,952 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:39,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:58:39,952 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:39,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:39,955 INFO L85 PathProgramCache]: Analyzing trace with hash 578799619, now seen corresponding path program 1 times [2024-11-28 02:58:39,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:39,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562483932] [2024-11-28 02:58:39,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:39,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:40,946 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:40,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:40,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562483932] [2024-11-28 02:58:40,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562483932] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:58:40,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214003268] [2024-11-28 02:58:40,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:40,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:40,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:40,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:58:40,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:58:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:41,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 1764 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:58:41,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:42,338 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:42,339 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:58:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:42,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214003268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:58:42,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:58:42,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-28 02:58:42,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101653935] [2024-11-28 02:58:42,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:58:42,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 02:58:42,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:42,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 02:58:42,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:58:43,324 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 458 [2024-11-28 02:58:43,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 509 transitions, 1404 flow. Second operand has 18 states, 18 states have (on average 441.8888888888889) internal successors, (7954), 18 states have internal predecessors, (7954), 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) [2024-11-28 02:58:43,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:43,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 458 [2024-11-28 02:58:43,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:44,271 INFO L124 PetriNetUnfolderBase]: 166/2172 cut-off events. [2024-11-28 02:58:44,271 INFO L125 PetriNetUnfolderBase]: For 184/198 co-relation queries the response was YES. [2024-11-28 02:58:44,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2909 conditions, 2172 events. 166/2172 cut-off events. For 184/198 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7427 event pairs, 23 based on Foata normal form. 4/2089 useless extension candidates. Maximal degree in co-relation 2012. Up to 208 conditions per place. [2024-11-28 02:58:44,281 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 19 selfloop transitions, 21 changer transitions 0/527 dead transitions. [2024-11-28 02:58:44,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 527 transitions, 1572 flow [2024-11-28 02:58:44,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 02:58:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 02:58:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 9283 transitions. [2024-11-28 02:58:44,299 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9651694739030984 [2024-11-28 02:58:44,300 INFO L175 Difference]: Start difference. First operand has 457 places, 509 transitions, 1404 flow. Second operand 21 states and 9283 transitions. [2024-11-28 02:58:44,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 527 transitions, 1572 flow [2024-11-28 02:58:44,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 527 transitions, 1572 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:58:44,313 INFO L231 Difference]: Finished difference. Result has 482 places, 522 transitions, 1534 flow [2024-11-28 02:58:44,314 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=1404, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1534, PETRI_PLACES=482, PETRI_TRANSITIONS=522} [2024-11-28 02:58:44,314 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 26 predicate places. [2024-11-28 02:58:44,315 INFO L471 AbstractCegarLoop]: Abstraction has has 482 places, 522 transitions, 1534 flow [2024-11-28 02:58:44,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 441.8888888888889) internal successors, (7954), 18 states have internal predecessors, (7954), 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) [2024-11-28 02:58:44,318 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:44,319 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:44,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:58:44,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 02:58:44,523 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:44,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:44,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1393281, now seen corresponding path program 2 times [2024-11-28 02:58:44,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:44,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909817532] [2024-11-28 02:58:44,526 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:58:44,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:44,719 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:58:44,719 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:58:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2233 trivial. 0 not checked. [2024-11-28 02:58:45,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:45,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909817532] [2024-11-28 02:58:45,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909817532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:45,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:45,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:45,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909880059] [2024-11-28 02:58:45,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:45,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:58:45,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:45,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:58:45,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:58:46,595 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 458 [2024-11-28 02:58:46,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 522 transitions, 1534 flow. Second operand has 6 states, 6 states have (on average 379.6666666666667) internal successors, (2278), 6 states have internal predecessors, (2278), 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) [2024-11-28 02:58:46,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:46,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 458 [2024-11-28 02:58:46,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:47,460 INFO L124 PetriNetUnfolderBase]: 227/2346 cut-off events. [2024-11-28 02:58:47,461 INFO L125 PetriNetUnfolderBase]: For 437/481 co-relation queries the response was YES. [2024-11-28 02:58:47,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3668 conditions, 2346 events. 227/2346 cut-off events. For 437/481 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 8616 event pairs, 55 based on Foata normal form. 0/2232 useless extension candidates. Maximal degree in co-relation 2566. Up to 564 conditions per place. [2024-11-28 02:58:47,470 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 142 selfloop transitions, 5 changer transitions 0/521 dead transitions. [2024-11-28 02:58:47,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 521 transitions, 1826 flow [2024-11-28 02:58:47,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:58:47,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:58:47,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2309 transitions. [2024-11-28 02:58:47,475 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8402474526928675 [2024-11-28 02:58:47,475 INFO L175 Difference]: Start difference. First operand has 482 places, 522 transitions, 1534 flow. Second operand 6 states and 2309 transitions. [2024-11-28 02:58:47,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 521 transitions, 1826 flow [2024-11-28 02:58:47,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 521 transitions, 1802 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-28 02:58:47,488 INFO L231 Difference]: Finished difference. Result has 480 places, 521 transitions, 1518 flow [2024-11-28 02:58:47,489 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=1508, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1518, PETRI_PLACES=480, PETRI_TRANSITIONS=521} [2024-11-28 02:58:47,490 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 24 predicate places. [2024-11-28 02:58:47,490 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 521 transitions, 1518 flow [2024-11-28 02:58:47,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 379.6666666666667) internal successors, (2278), 6 states have internal predecessors, (2278), 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) [2024-11-28 02:58:47,492 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:47,493 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:47,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:58:47,493 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:47,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:47,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1492391726, now seen corresponding path program 1 times [2024-11-28 02:58:47,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:47,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699729387] [2024-11-28 02:58:47,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:47,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:50,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:50,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:50,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699729387] [2024-11-28 02:58:50,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699729387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:58:50,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386246724] [2024-11-28 02:58:50,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:50,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:58:50,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:58:50,360 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:58:50,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:58:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:58:51,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 3674 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:58:51,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:58:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:52,771 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:58:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:58:53,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386246724] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:58:53,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:58:53,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-28 02:58:53,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579032031] [2024-11-28 02:58:53,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:58:53,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 02:58:53,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:53,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 02:58:53,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:58:54,287 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 458 [2024-11-28 02:58:54,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 521 transitions, 1518 flow. Second operand has 23 states, 23 states have (on average 442.0869565217391) internal successors, (10168), 23 states have internal predecessors, (10168), 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) [2024-11-28 02:58:54,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:54,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 458 [2024-11-28 02:58:54,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:55,508 INFO L124 PetriNetUnfolderBase]: 173/2503 cut-off events. [2024-11-28 02:58:55,509 INFO L125 PetriNetUnfolderBase]: For 301/308 co-relation queries the response was YES. [2024-11-28 02:58:55,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3342 conditions, 2503 events. 173/2503 cut-off events. For 301/308 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7543 event pairs, 23 based on Foata normal form. 3/2420 useless extension candidates. Maximal degree in co-relation 2058. Up to 208 conditions per place. [2024-11-28 02:58:55,519 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 22 selfloop transitions, 30 changer transitions 0/538 dead transitions. [2024-11-28 02:58:55,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 538 transitions, 1744 flow [2024-11-28 02:58:55,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-28 02:58:55,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-28 02:58:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 13254 transitions. [2024-11-28 02:58:55,538 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9646288209606987 [2024-11-28 02:58:55,538 INFO L175 Difference]: Start difference. First operand has 480 places, 521 transitions, 1518 flow. Second operand 30 states and 13254 transitions. [2024-11-28 02:58:55,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 538 transitions, 1744 flow [2024-11-28 02:58:55,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 538 transitions, 1734 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 02:58:55,552 INFO L231 Difference]: Finished difference. Result has 508 places, 531 transitions, 1660 flow [2024-11-28 02:58:55,553 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=1508, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1660, PETRI_PLACES=508, PETRI_TRANSITIONS=531} [2024-11-28 02:58:55,553 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 52 predicate places. [2024-11-28 02:58:55,553 INFO L471 AbstractCegarLoop]: Abstraction has has 508 places, 531 transitions, 1660 flow [2024-11-28 02:58:55,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 442.0869565217391) internal successors, (10168), 23 states have internal predecessors, (10168), 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) [2024-11-28 02:58:55,557 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:55,558 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:55,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:58:55,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 02:58:55,759 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:55,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:55,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1311289041, now seen corresponding path program 2 times [2024-11-28 02:58:55,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:55,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943801170] [2024-11-28 02:58:55,761 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:58:55,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:56,024 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:58:56,024 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:58:56,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-11-28 02:58:56,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:58:56,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943801170] [2024-11-28 02:58:56,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943801170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:58:56,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:58:56,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:58:56,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136911405] [2024-11-28 02:58:56,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:58:56,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:58:56,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:58:56,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:58:56,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:58:57,649 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 458 [2024-11-28 02:58:57,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 531 transitions, 1660 flow. Second operand has 6 states, 6 states have (on average 381.1666666666667) internal successors, (2287), 6 states have internal predecessors, (2287), 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) [2024-11-28 02:58:57,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:58:57,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 458 [2024-11-28 02:58:57,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:58:59,192 INFO L124 PetriNetUnfolderBase]: 545/3579 cut-off events. [2024-11-28 02:58:59,192 INFO L125 PetriNetUnfolderBase]: For 935/1028 co-relation queries the response was YES. [2024-11-28 02:58:59,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6089 conditions, 3579 events. 545/3579 cut-off events. For 935/1028 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16105 event pairs, 93 based on Foata normal form. 16/3430 useless extension candidates. Maximal degree in co-relation 4524. Up to 1089 conditions per place. [2024-11-28 02:58:59,205 INFO L140 encePairwiseOnDemand]: 435/458 looper letters, 155 selfloop transitions, 130 changer transitions 0/668 dead transitions. [2024-11-28 02:58:59,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 668 transitions, 2880 flow [2024-11-28 02:58:59,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:58:59,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:58:59,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2387 transitions. [2024-11-28 02:58:59,208 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.86863173216885 [2024-11-28 02:58:59,208 INFO L175 Difference]: Start difference. First operand has 508 places, 531 transitions, 1660 flow. Second operand 6 states and 2387 transitions. [2024-11-28 02:58:59,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 668 transitions, 2880 flow [2024-11-28 02:58:59,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 668 transitions, 2834 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-28 02:58:59,225 INFO L231 Difference]: Finished difference. Result has 500 places, 660 transitions, 2842 flow [2024-11-28 02:58:59,227 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=1614, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2842, PETRI_PLACES=500, PETRI_TRANSITIONS=660} [2024-11-28 02:58:59,227 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 44 predicate places. [2024-11-28 02:58:59,227 INFO L471 AbstractCegarLoop]: Abstraction has has 500 places, 660 transitions, 2842 flow [2024-11-28 02:58:59,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 381.1666666666667) internal successors, (2287), 6 states have internal predecessors, (2287), 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) [2024-11-28 02:58:59,228 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:58:59,229 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:58:59,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:58:59,229 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:58:59,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:58:59,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1088945278, now seen corresponding path program 1 times [2024-11-28 02:58:59,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:58:59,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574093507] [2024-11-28 02:58:59,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:58:59,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:58:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4790 trivial. 0 not checked. [2024-11-28 02:59:04,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:04,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574093507] [2024-11-28 02:59:04,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574093507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:04,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:04,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:59:04,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732700828] [2024-11-28 02:59:04,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:04,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:59:04,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:04,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:59:04,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:59:05,177 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 458 [2024-11-28 02:59:05,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 660 transitions, 2842 flow. Second operand has 6 states, 6 states have (on average 380.5) internal successors, (2283), 6 states have internal predecessors, (2283), 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) [2024-11-28 02:59:05,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:59:05,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 458 [2024-11-28 02:59:05,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:59:07,793 INFO L124 PetriNetUnfolderBase]: 821/4345 cut-off events. [2024-11-28 02:59:07,794 INFO L125 PetriNetUnfolderBase]: For 3315/3529 co-relation queries the response was YES. [2024-11-28 02:59:07,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8947 conditions, 4345 events. 821/4345 cut-off events. For 3315/3529 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22309 event pairs, 74 based on Foata normal form. 76/4246 useless extension candidates. Maximal degree in co-relation 7399. Up to 1348 conditions per place. [2024-11-28 02:59:07,808 INFO L140 encePairwiseOnDemand]: 435/458 looper letters, 276 selfloop transitions, 131 changer transitions 5/798 dead transitions. [2024-11-28 02:59:07,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 798 transitions, 4566 flow [2024-11-28 02:59:07,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:59:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:59:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2383 transitions. [2024-11-28 02:59:07,812 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8671761280931587 [2024-11-28 02:59:07,812 INFO L175 Difference]: Start difference. First operand has 500 places, 660 transitions, 2842 flow. Second operand 6 states and 2383 transitions. [2024-11-28 02:59:07,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 798 transitions, 4566 flow [2024-11-28 02:59:07,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 798 transitions, 4566 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 02:59:07,831 INFO L231 Difference]: Finished difference. Result has 510 places, 788 transitions, 4322 flow [2024-11-28 02:59:07,832 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=2842, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=622, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4322, PETRI_PLACES=510, PETRI_TRANSITIONS=788} [2024-11-28 02:59:07,832 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 54 predicate places. [2024-11-28 02:59:07,832 INFO L471 AbstractCegarLoop]: Abstraction has has 510 places, 788 transitions, 4322 flow [2024-11-28 02:59:07,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.5) internal successors, (2283), 6 states have internal predecessors, (2283), 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) [2024-11-28 02:59:07,833 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:59:07,834 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:07,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:59:07,834 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:59:07,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:07,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1451364375, now seen corresponding path program 1 times [2024-11-28 02:59:07,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:07,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66134622] [2024-11-28 02:59:07,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:07,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:12,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4790 trivial. 0 not checked. [2024-11-28 02:59:12,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:12,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66134622] [2024-11-28 02:59:12,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66134622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:12,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:12,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:59:12,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001233374] [2024-11-28 02:59:12,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:12,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:59:12,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:12,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:59:12,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:59:12,772 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 458 [2024-11-28 02:59:12,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 788 transitions, 4322 flow. Second operand has 6 states, 6 states have (on average 348.3333333333333) internal successors, (2090), 6 states have internal predecessors, (2090), 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) [2024-11-28 02:59:12,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:59:12,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 458 [2024-11-28 02:59:12,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:59:15,750 INFO L124 PetriNetUnfolderBase]: 1308/5674 cut-off events. [2024-11-28 02:59:15,750 INFO L125 PetriNetUnfolderBase]: For 4851/4908 co-relation queries the response was YES. [2024-11-28 02:59:15,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13603 conditions, 5674 events. 1308/5674 cut-off events. For 4851/4908 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33806 event pairs, 369 based on Foata normal form. 11/5440 useless extension candidates. Maximal degree in co-relation 11971. Up to 2589 conditions per place. [2024-11-28 02:59:15,786 INFO L140 encePairwiseOnDemand]: 439/458 looper letters, 356 selfloop transitions, 84 changer transitions 0/867 dead transitions. [2024-11-28 02:59:15,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 867 transitions, 5600 flow [2024-11-28 02:59:15,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:59:15,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:59:15,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2186 transitions. [2024-11-28 02:59:15,790 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7954876273653566 [2024-11-28 02:59:15,790 INFO L175 Difference]: Start difference. First operand has 510 places, 788 transitions, 4322 flow. Second operand 6 states and 2186 transitions. [2024-11-28 02:59:15,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 867 transitions, 5600 flow [2024-11-28 02:59:15,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 867 transitions, 5346 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-28 02:59:15,837 INFO L231 Difference]: Finished difference. Result has 519 places, 859 transitions, 4858 flow [2024-11-28 02:59:15,838 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=4074, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=788, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=740, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4858, PETRI_PLACES=519, PETRI_TRANSITIONS=859} [2024-11-28 02:59:15,839 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 63 predicate places. [2024-11-28 02:59:15,839 INFO L471 AbstractCegarLoop]: Abstraction has has 519 places, 859 transitions, 4858 flow [2024-11-28 02:59:15,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 348.3333333333333) internal successors, (2090), 6 states have internal predecessors, (2090), 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) [2024-11-28 02:59:15,840 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:59:15,841 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:15,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:59:15,841 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 02:59:15,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:15,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1838312467, now seen corresponding path program 1 times [2024-11-28 02:59:15,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:15,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621524845] [2024-11-28 02:59:15,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:15,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 182 proven. 2411 refuted. 0 times theorem prover too weak. 2197 trivial. 0 not checked. [2024-11-28 02:59:55,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:55,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621524845] [2024-11-28 02:59:55,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621524845] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:55,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597821988] [2024-11-28 02:59:55,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:55,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:55,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:55,237 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:55,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:59:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:57,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 4988 conjuncts, 110 conjuncts are in the unsatisfiable core [2024-11-28 02:59:57,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:57,711 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-28 02:59:57,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-28 02:59:58,414 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 02:59:58,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 02:59:59,829 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 02:59:59,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:00,371 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:00,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:01,784 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:01,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:02,241 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:02,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:03,219 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:03,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:03,699 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:03,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:04,569 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:04,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:05,049 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:05,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:05,904 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:05,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:06,345 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:06,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:07,174 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:07,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:07,663 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:07,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:08,430 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:08,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:08,922 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:08,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:09,843 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:09,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:10,359 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:10,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:11,180 INFO L349 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2024-11-28 03:00:11,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2024-11-28 03:00:11,639 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:11,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:12,798 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-28 03:00:12,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-28 03:00:14,003 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-11-28 03:00:14,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-11-28 03:00:14,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-28 03:00:14,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-28 03:00:14,254 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:00:14,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2024-11-28 03:00:14,322 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:00:14,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 52 [2024-11-28 03:00:14,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:00:14,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 55 [2024-11-28 03:00:14,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 95 proven. 260 refuted. 0 times theorem prover too weak. 4435 trivial. 0 not checked. [2024-11-28 03:00:14,465 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 4726 trivial. 0 not checked. [2024-11-28 03:00:17,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597821988] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:17,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:00:17,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [28, 16] total 48 [2024-11-28 03:00:17,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735548439] [2024-11-28 03:00:17,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:17,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:00:17,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:17,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:00:17,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=2073, Unknown=0, NotChecked=0, Total=2352 [2024-11-28 03:00:39,107 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 458 [2024-11-28 03:00:39,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 859 transitions, 4858 flow. Second operand has 12 states, 12 states have (on average 362.5) internal successors, (4350), 12 states have internal predecessors, (4350), 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) [2024-11-28 03:00:39,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:00:39,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 458 [2024-11-28 03:00:39,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:00:51,453 INFO L124 PetriNetUnfolderBase]: 1017/4968 cut-off events. [2024-11-28 03:00:51,453 INFO L125 PetriNetUnfolderBase]: For 6144/6357 co-relation queries the response was YES. [2024-11-28 03:00:51,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12808 conditions, 4968 events. 1017/4968 cut-off events. For 6144/6357 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 28096 event pairs, 77 based on Foata normal form. 32/4852 useless extension candidates. Maximal degree in co-relation 11228. Up to 935 conditions per place. [2024-11-28 03:00:51,508 INFO L140 encePairwiseOnDemand]: 434/458 looper letters, 427 selfloop transitions, 144 changer transitions 1/985 dead transitions. [2024-11-28 03:00:51,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 985 transitions, 6938 flow [2024-11-28 03:00:51,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 03:00:51,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 03:00:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 6597 transitions. [2024-11-28 03:00:51,526 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8002183406113537 [2024-11-28 03:00:51,526 INFO L175 Difference]: Start difference. First operand has 519 places, 859 transitions, 4858 flow. Second operand 18 states and 6597 transitions. [2024-11-28 03:00:51,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 985 transitions, 6938 flow [2024-11-28 03:00:51,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 985 transitions, 6866 flow, removed 36 selfloop flow, removed 0 redundant places. [2024-11-28 03:00:51,594 INFO L231 Difference]: Finished difference. Result has 548 places, 917 transitions, 5812 flow [2024-11-28 03:00:51,595 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=4804, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=859, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=738, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=5812, PETRI_PLACES=548, PETRI_TRANSITIONS=917} [2024-11-28 03:00:51,596 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 92 predicate places. [2024-11-28 03:00:51,596 INFO L471 AbstractCegarLoop]: Abstraction has has 548 places, 917 transitions, 5812 flow [2024-11-28 03:00:51,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 362.5) internal successors, (4350), 12 states have internal predecessors, (4350), 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) [2024-11-28 03:00:51,599 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:00:51,600 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:51,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:00:51,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-28 03:00:51,801 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 03:00:51,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:51,811 INFO L85 PathProgramCache]: Analyzing trace with hash 2013076563, now seen corresponding path program 2 times [2024-11-28 03:00:51,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:51,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124525242] [2024-11-28 03:00:51,812 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:00:51,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:00,136 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:01:00,136 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:01:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 156 proven. 217 refuted. 0 times theorem prover too weak. 4417 trivial. 0 not checked. [2024-11-28 03:01:32,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:32,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124525242] [2024-11-28 03:01:32,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124525242] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:32,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077129786] [2024-11-28 03:01:32,717 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:01:32,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:32,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:32,719 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:32,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:01:41,166 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:01:41,166 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:01:41,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 4988 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-28 03:01:41,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:41,424 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-28 03:01:41,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-28 03:01:41,641 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-28 03:01:41,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-28 03:01:42,607 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-11-28 03:01:42,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2024-11-28 03:01:43,508 INFO L349 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2024-11-28 03:01:43,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2024-11-28 03:01:46,089 INFO L349 Elim1Store]: treesize reduction 80, result has 31.6 percent of original size [2024-11-28 03:01:46,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 34 treesize of output 52 [2024-11-28 03:01:47,234 INFO L349 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2024-11-28 03:01:47,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 32 treesize of output 57 [2024-11-28 03:01:50,736 INFO L349 Elim1Store]: treesize reduction 100, result has 31.5 percent of original size [2024-11-28 03:01:50,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 64 [2024-11-28 03:01:52,583 INFO L349 Elim1Store]: treesize reduction 100, result has 31.5 percent of original size [2024-11-28 03:01:52,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 64 [2024-11-28 03:01:56,023 INFO L349 Elim1Store]: treesize reduction 70, result has 27.1 percent of original size [2024-11-28 03:01:56,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 46 [2024-11-28 03:01:57,826 INFO L349 Elim1Store]: treesize reduction 70, result has 27.1 percent of original size [2024-11-28 03:01:57,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 46 [2024-11-28 03:02:01,295 INFO L349 Elim1Store]: treesize reduction 100, result has 31.5 percent of original size [2024-11-28 03:02:01,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 64 [2024-11-28 03:02:03,173 INFO L349 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2024-11-28 03:02:03,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 37 treesize of output 69 [2024-11-28 03:02:08,716 INFO L349 Elim1Store]: treesize reduction 120, result has 31.4 percent of original size [2024-11-28 03:02:08,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 76 [2024-11-28 03:02:11,583 INFO L349 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2024-11-28 03:02:11,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 42 treesize of output 81 [2024-11-28 03:02:21,975 INFO L349 Elim1Store]: treesize reduction 126, result has 33.7 percent of original size [2024-11-28 03:02:21,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 47 treesize of output 93 [2024-11-28 03:02:46,515 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-11-28 03:02:46,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-11-28 03:03:17,379 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-11-28 03:03:17,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-11-28 03:03:50,633 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-11-28 03:03:50,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-11-28 03:04:22,501 INFO L349 Elim1Store]: treesize reduction 160, result has 31.3 percent of original size [2024-11-28 03:04:22,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 54 treesize of output 100 [2024-11-28 03:04:52,914 INFO L349 Elim1Store]: treesize reduction 112, result has 26.8 percent of original size [2024-11-28 03:04:52,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 47 treesize of output 70 [2024-11-28 03:05:38,493 INFO L349 Elim1Store]: treesize reduction 190, result has 19.5 percent of original size [2024-11-28 03:05:38,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 52 treesize of output 78 [2024-11-28 03:06:20,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-28 03:06:25,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-11-28 03:06:31,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:06:31,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2024-11-28 03:06:37,348 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:06:37,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 52 [2024-11-28 03:06:43,460 INFO L349 Elim1Store]: treesize reduction 100, result has 27.0 percent of original size [2024-11-28 03:06:43,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 17 case distinctions, treesize of input 51 treesize of output 67 [2024-11-28 03:06:43,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 40 [2024-11-28 03:06:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 3659 proven. 504 refuted. 131 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 03:06:43,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:06:44,039 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~j~0#1| 4))) (and (forall ((v_ArrVal_14440 (Array Int Int))) (= (select (select (store |c_#race| |c_t_funThread1of1ForFork0_new_#t~malloc30#1.base| v_ArrVal_14440) |c_~#slot~0.base|) (+ |c_~#slot~0.offset| .cse0)) 0)) (forall ((v_ArrVal_14440 (Array Int Int))) (= (select (select (store |c_#race| |c_t_funThread1of1ForFork0_new_#t~malloc30#1.base| v_ArrVal_14440) |c_~#slot~0.base|) (+ |c_~#slot~0.offset| .cse0 1)) 0)) (forall ((v_ArrVal_14440 (Array Int Int))) (= (select (select (store |c_#race| |c_t_funThread1of1ForFork0_new_#t~malloc30#1.base| v_ArrVal_14440) |c_~#slot~0.base|) (+ |c_~#slot~0.offset| 3 .cse0)) 0)) (forall ((v_ArrVal_14440 (Array Int Int))) (= (select (select (store |c_#race| |c_t_funThread1of1ForFork0_new_#t~malloc30#1.base| v_ArrVal_14440) |c_~#slot~0.base|) (+ |c_~#slot~0.offset| 2 .cse0)) 0)))) is different from false [2024-11-28 03:07:00,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:07:00,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 67 [2024-11-28 03:07:00,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:07:00,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 39 [2024-11-28 03:07:00,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2024-11-28 03:07:00,946 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2024-11-28 03:07:00,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 1 [2024-11-28 03:07:00,952 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2024-11-28 03:07:00,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 1 [2024-11-28 03:07:00,959 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2024-11-28 03:07:00,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 1 [2024-11-28 03:07:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 4163 proven. 0 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2024-11-28 03:07:21,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077129786] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:07:21,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:07:21,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [22, 29] total 63 [2024-11-28 03:07:21,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638884055] [2024-11-28 03:07:21,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:07:21,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 03:07:21,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:07:21,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 03:07:21,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=839, Invalid=3036, Unknown=35, NotChecked=122, Total=4032 [2024-11-28 03:07:24,095 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 458 [2024-11-28 03:07:24,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 917 transitions, 5812 flow. Second operand has 18 states, 18 states have (on average 267.1666666666667) internal successors, (4809), 18 states have internal predecessors, (4809), 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) [2024-11-28 03:07:24,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:07:24,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 458 [2024-11-28 03:07:24,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:08:06,933 INFO L124 PetriNetUnfolderBase]: 2526/8169 cut-off events. [2024-11-28 03:08:06,933 INFO L125 PetriNetUnfolderBase]: For 15167/15231 co-relation queries the response was YES. [2024-11-28 03:08:06,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25408 conditions, 8169 events. 2526/8169 cut-off events. For 15167/15231 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 53342 event pairs, 469 based on Foata normal form. 49/7906 useless extension candidates. Maximal degree in co-relation 23762. Up to 3784 conditions per place. [2024-11-28 03:08:06,985 INFO L140 encePairwiseOnDemand]: 385/458 looper letters, 710 selfloop transitions, 364 changer transitions 11/1359 dead transitions. [2024-11-28 03:08:06,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 1359 transitions, 9797 flow [2024-11-28 03:08:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:08:06,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-28 03:08:06,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 5325 transitions. [2024-11-28 03:08:06,992 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.611928292346587 [2024-11-28 03:08:06,992 INFO L175 Difference]: Start difference. First operand has 548 places, 917 transitions, 5812 flow. Second operand 19 states and 5325 transitions. [2024-11-28 03:08:06,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 1359 transitions, 9797 flow [2024-11-28 03:08:07,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 1359 transitions, 9748 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-28 03:08:07,113 INFO L231 Difference]: Finished difference. Result has 570 places, 1044 transitions, 8234 flow [2024-11-28 03:08:07,115 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=5788, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=917, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=244, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=615, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=8234, PETRI_PLACES=570, PETRI_TRANSITIONS=1044} [2024-11-28 03:08:07,116 INFO L279 CegarLoopForPetriNet]: 456 programPoint places, 114 predicate places. [2024-11-28 03:08:07,118 INFO L471 AbstractCegarLoop]: Abstraction has has 570 places, 1044 transitions, 8234 flow [2024-11-28 03:08:07,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 267.1666666666667) internal successors, (4809), 18 states have internal predecessors, (4809), 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) [2024-11-28 03:08:07,121 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:08:07,121 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:08:07,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:08:07,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 03:08:07,322 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-28 03:08:07,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:08:07,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1063886101, now seen corresponding path program 3 times [2024-11-28 03:08:07,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:08:07,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718838808] [2024-11-28 03:08:07,329 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:08:07,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:08:24,693 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-28 03:08:24,693 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:09:54,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4790 backedges. 887 proven. 504 refuted. 0 times theorem prover too weak. 3399 trivial. 0 not checked. [2024-11-28 03:09:54,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:09:54,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718838808] [2024-11-28 03:09:54,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718838808] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:09:54,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258427093] [2024-11-28 03:09:54,262 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:09:54,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:09:54,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:09:54,269 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:09:54,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29bf3ad-4b2d-4389-889f-f15965994121/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process