./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/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_6dd1509e-2c97-4403-bd1a-987312b38ab0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/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_6dd1509e-2c97-4403-bd1a-987312b38ab0/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 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:04:04,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:04:04,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 05:04:04,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:04:04,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:04:04,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:04:04,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:04:04,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:04:04,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:04:04,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:04:04,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:04:04,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:04:04,188 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:04:04,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:04:04,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:04:04,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:04:04,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:04:04,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:04:04,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:04:04,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:04:04,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:04:04,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:04:04,189 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 05:04:04,189 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:04:04,189 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:04:04,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:04:04,190 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:04:04,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:04:04,190 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:04:04,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:04:04,190 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:04:04,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:04:04,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:04:04,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:04:04,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:04:04,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:04:04,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:04:04,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:04:04,192 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:04:04,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:04:04,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:04:04,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:04:04,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:04:04,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:04:04,192 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:04:04,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:04:04,193 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_6dd1509e-2c97-4403-bd1a-987312b38ab0/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 -> 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 [2024-11-28 05:04:04,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:04:04,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:04:04,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:04:04,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:04:04,630 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:04:04,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c [2024-11-28 05:04:08,120 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/bin/uautomizer-verify-aQ6SnzHsRB/data/ea9516f26/1db421ba35bc45aeaf50e2ee43738432/FLAGc403351e2 [2024-11-28 05:04:08,593 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:04:08,595 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/sv-benchmarks/c/weaver/chl-poker-hand-subst.wvr.c [2024-11-28 05:04:08,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/bin/uautomizer-verify-aQ6SnzHsRB/data/ea9516f26/1db421ba35bc45aeaf50e2ee43738432/FLAGc403351e2 [2024-11-28 05:04:08,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/bin/uautomizer-verify-aQ6SnzHsRB/data/ea9516f26/1db421ba35bc45aeaf50e2ee43738432 [2024-11-28 05:04:08,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:04:08,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:04:08,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:04:08,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:04:08,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:04:08,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:04:08" (1/1) ... [2024-11-28 05:04:08,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34991579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:08, skipping insertion in model container [2024-11-28 05:04:08,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:04:08" (1/1) ... [2024-11-28 05:04:08,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:04:09,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:04:09,298 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:04:09,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:04:09,605 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:04:09,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09 WrapperNode [2024-11-28 05:04:09,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:04:09,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:04:09,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:04:09,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:04:09,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (1/1) ... [2024-11-28 05:04:09,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (1/1) ... [2024-11-28 05:04:09,995 INFO L138 Inliner]: procedures = 25, calls = 440, calls flagged for inlining = 101, calls inlined = 145, statements flattened = 4990 [2024-11-28 05:04:09,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:04:09,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:04:09,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:04:09,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:04:10,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (1/1) ... [2024-11-28 05:04:10,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (1/1) ... [2024-11-28 05:04:10,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (1/1) ... [2024-11-28 05:04:10,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (1/1) ... [2024-11-28 05:04:10,224 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (1/1) ... [2024-11-28 05:04:10,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (1/1) ... [2024-11-28 05:04:10,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (1/1) ... [2024-11-28 05:04:10,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (1/1) ... [2024-11-28 05:04:10,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (1/1) ... [2024-11-28 05:04:10,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:04:10,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:04:10,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:04:10,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:04:10,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (1/1) ... [2024-11-28 05:04:10,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:04:10,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:04:10,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:04:10,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dd1509e-2c97-4403-bd1a-987312b38ab0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:04:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:04:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 05:04:10,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 05:04:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 05:04:10,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 05:04:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 05:04:10,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 05:04:10,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 05:04:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 05:04:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 05:04:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 05:04:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:04:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:04:10,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:04:10,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 05:04:10,533 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 05:04:10,921 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:04:10,924 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:04:18,852 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:04:18,853 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:04:41,675 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:04:41,675 INFO L312 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-28 05:04:41,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:04:41 BoogieIcfgContainer [2024-11-28 05:04:41,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:04:41,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:04:41,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:04:41,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:04:41,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:04:08" (1/3) ... [2024-11-28 05:04:41,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660b7671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:04:41, skipping insertion in model container [2024-11-28 05:04:41,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:04:09" (2/3) ... [2024-11-28 05:04:41,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660b7671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:04:41, skipping insertion in model container [2024-11-28 05:04:41,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:04:41" (3/3) ... [2024-11-28 05:04:41,693 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2024-11-28 05:04:41,716 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:04:41,720 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-subst.wvr.c that has 4 procedures, 1708 locations, 1 initial locations, 18 loop locations, and 755 error locations. [2024-11-28 05:04:41,720 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 05:04:45,282 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 05:04:45,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1717 places, 1788 transitions, 3597 flow [2024-11-28 05:04:47,412 INFO L124 PetriNetUnfolderBase]: 81/1785 cut-off events. [2024-11-28 05:04:47,417 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 05:04:47,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1798 conditions, 1785 events. 81/1785 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 8258 event pairs, 0 based on Foata normal form. 0/949 useless extension candidates. Maximal degree in co-relation 1442. Up to 7 conditions per place. [2024-11-28 05:04:47,505 INFO L82 GeneralOperation]: Start removeDead. Operand has 1717 places, 1788 transitions, 3597 flow [2024-11-28 05:04:47,825 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1694 places, 1762 transitions, 3542 flow [2024-11-28 05:04:47,845 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:04:47,869 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;@6d35c95a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:04:47,869 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1469 error locations. [2024-11-28 05:04:47,890 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:04:47,892 INFO L124 PetriNetUnfolderBase]: 3/81 cut-off events. [2024-11-28 05:04:47,893 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:04:47,893 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:04:47,894 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] [2024-11-28 05:04:47,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1465 more)] === [2024-11-28 05:04:47,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:04:47,910 INFO L85 PathProgramCache]: Analyzing trace with hash 878660795, now seen corresponding path program 1 times [2024-11-28 05:04:47,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:04:47,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406197432] [2024-11-28 05:04:47,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:04:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:04:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:04:48,487 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 05:04:48,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:04:48,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406197432] [2024-11-28 05:04:48,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406197432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:04:48,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:04:48,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:04:48,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30408688] [2024-11-28 05:04:48,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:04:48,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:04:48,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:04:48,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:04:48,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:04:48,571 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1788 [2024-11-28 05:04:48,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1694 places, 1762 transitions, 3542 flow. Second operand has 3 states, 3 states have (on average 988.3333333333334) internal successors, (2965), 3 states have internal predecessors, (2965), 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 05:04:48,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:04:48,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1788 [2024-11-28 05:04:48,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:04:56,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:04:57,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:04:59,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:03,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:08,693 INFO L124 PetriNetUnfolderBase]: 675/2519 cut-off events. [2024-11-28 05:05:08,693 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-28 05:05:08,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3360 conditions, 2519 events. 675/2519 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 11470 event pairs, 135 based on Foata normal form. 168/2279 useless extension candidates. Maximal degree in co-relation 2274. Up to 772 conditions per place. [2024-11-28 05:05:08,718 INFO L140 encePairwiseOnDemand]: 1032/1788 looper letters, 42 selfloop transitions, 2 changer transitions 24/1008 dead transitions. [2024-11-28 05:05:08,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 984 places, 1008 transitions, 2122 flow [2024-11-28 05:05:08,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:05:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:05:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3759 transitions. [2024-11-28 05:05:08,761 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7007829977628636 [2024-11-28 05:05:08,763 INFO L175 Difference]: Start difference. First operand has 1694 places, 1762 transitions, 3542 flow. Second operand 3 states and 3759 transitions. [2024-11-28 05:05:08,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 984 places, 1008 transitions, 2122 flow [2024-11-28 05:05:08,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 978 places, 1008 transitions, 2110 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-28 05:05:08,804 INFO L231 Difference]: Finished difference. Result has 978 places, 984 transitions, 1978 flow [2024-11-28 05:05:08,809 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1788, PETRI_DIFFERENCE_MINUEND_FLOW=2022, PETRI_DIFFERENCE_MINUEND_PLACES=976, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1008, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1006, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1978, PETRI_PLACES=978, PETRI_TRANSITIONS=984} [2024-11-28 05:05:08,813 INFO L279 CegarLoopForPetriNet]: 1694 programPoint places, -716 predicate places. [2024-11-28 05:05:08,816 INFO L471 AbstractCegarLoop]: Abstraction has has 978 places, 984 transitions, 1978 flow [2024-11-28 05:05:08,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.3333333333334) internal successors, (2965), 3 states have internal predecessors, (2965), 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 05:05:08,819 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:05:08,820 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] [2024-11-28 05:05:08,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:05:08,820 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1465 more)] === [2024-11-28 05:05:08,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:08,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1908141774, now seen corresponding path program 1 times [2024-11-28 05:05:08,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:08,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582760954] [2024-11-28 05:05:08,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:08,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:09,966 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 05:05:09,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:09,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582760954] [2024-11-28 05:05:09,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582760954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:09,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:09,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:05:09,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826114881] [2024-11-28 05:05:09,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:09,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:05:09,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:09,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:05:09,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:05:11,513 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 826 out of 1788 [2024-11-28 05:05:11,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 978 places, 984 transitions, 1978 flow. Second operand has 6 states, 6 states have (on average 827.5) internal successors, (4965), 6 states have internal predecessors, (4965), 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 05:05:11,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:05:11,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 826 of 1788 [2024-11-28 05:05:11,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:05:14,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:17,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:20,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:24,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:27,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:34,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:35,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:38,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:45,364 INFO L124 PetriNetUnfolderBase]: 675/2483 cut-off events. [2024-11-28 05:05:45,365 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-28 05:05:45,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3433 conditions, 2483 events. 675/2483 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 11385 event pairs, 135 based on Foata normal form. 0/2111 useless extension candidates. Maximal degree in co-relation 3330. Up to 865 conditions per place. [2024-11-28 05:05:45,394 INFO L140 encePairwiseOnDemand]: 1716/1788 looper letters, 135 selfloop transitions, 60 changer transitions 0/972 dead transitions. [2024-11-28 05:05:45,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 947 places, 972 transitions, 2344 flow [2024-11-28 05:05:45,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:05:45,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:05:45,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5163 transitions. [2024-11-28 05:05:45,415 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48126398210290827 [2024-11-28 05:05:45,415 INFO L175 Difference]: Start difference. First operand has 978 places, 984 transitions, 1978 flow. Second operand 6 states and 5163 transitions. [2024-11-28 05:05:45,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 947 places, 972 transitions, 2344 flow [2024-11-28 05:05:45,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 945 places, 972 transitions, 2340 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:05:45,441 INFO L231 Difference]: Finished difference. Result has 945 places, 972 transitions, 2070 flow [2024-11-28 05:05:45,443 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1788, PETRI_DIFFERENCE_MINUEND_FLOW=1950, PETRI_DIFFERENCE_MINUEND_PLACES=940, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=972, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=912, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2070, PETRI_PLACES=945, PETRI_TRANSITIONS=972} [2024-11-28 05:05:45,445 INFO L279 CegarLoopForPetriNet]: 1694 programPoint places, -749 predicate places. [2024-11-28 05:05:45,445 INFO L471 AbstractCegarLoop]: Abstraction has has 945 places, 972 transitions, 2070 flow [2024-11-28 05:05:45,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 827.5) internal successors, (4965), 6 states have internal predecessors, (4965), 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 05:05:45,449 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:05:45,449 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] [2024-11-28 05:05:45,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:05:45,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1465 more)] === [2024-11-28 05:05:45,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:05:45,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1152265101, now seen corresponding path program 1 times [2024-11-28 05:05:45,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:05:45,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713993296] [2024-11-28 05:05:45,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:05:45,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:05:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:05:45,688 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 05:05:45,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:05:45,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713993296] [2024-11-28 05:05:45,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713993296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:05:45,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:05:45,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:05:45,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167075810] [2024-11-28 05:05:45,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:05:45,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:05:45,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:05:45,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:05:45,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:05:45,715 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1788 [2024-11-28 05:05:45,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 945 places, 972 transitions, 2070 flow. Second operand has 3 states, 3 states have (on average 988.3333333333334) internal successors, (2965), 3 states have internal predecessors, (2965), 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 05:05:45,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:05:45,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1788 [2024-11-28 05:05:45,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:05:48,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:49,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:51,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:53,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:55,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:56,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:58,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:05:59,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:01,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:06,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:08,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:12,882 INFO L124 PetriNetUnfolderBase]: 675/2482 cut-off events. [2024-11-28 05:06:12,882 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-28 05:06:12,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3339 conditions, 2482 events. 675/2482 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11432 event pairs, 135 based on Foata normal form. 0/2111 useless extension candidates. Maximal degree in co-relation 3156. Up to 772 conditions per place. [2024-11-28 05:06:12,905 INFO L140 encePairwiseOnDemand]: 1785/1788 looper letters, 42 selfloop transitions, 2 changer transitions 0/971 dead transitions. [2024-11-28 05:06:12,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 946 places, 971 transitions, 2156 flow [2024-11-28 05:06:12,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:12,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:06:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3006 transitions. [2024-11-28 05:06:12,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5604026845637584 [2024-11-28 05:06:12,915 INFO L175 Difference]: Start difference. First operand has 945 places, 972 transitions, 2070 flow. Second operand 3 states and 3006 transitions. [2024-11-28 05:06:12,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 946 places, 971 transitions, 2156 flow [2024-11-28 05:06:12,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 941 places, 971 transitions, 2036 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 05:06:12,938 INFO L231 Difference]: Finished difference. Result has 941 places, 971 transitions, 1952 flow [2024-11-28 05:06:12,940 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1788, PETRI_DIFFERENCE_MINUEND_FLOW=1948, PETRI_DIFFERENCE_MINUEND_PLACES=939, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=971, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=969, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1952, PETRI_PLACES=941, PETRI_TRANSITIONS=971} [2024-11-28 05:06:12,941 INFO L279 CegarLoopForPetriNet]: 1694 programPoint places, -753 predicate places. [2024-11-28 05:06:12,941 INFO L471 AbstractCegarLoop]: Abstraction has has 941 places, 971 transitions, 1952 flow [2024-11-28 05:06:12,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.3333333333334) internal successors, (2965), 3 states have internal predecessors, (2965), 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 05:06:12,945 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:12,945 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] [2024-11-28 05:06:12,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:06:12,945 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1465 more)] === [2024-11-28 05:06:12,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:12,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1088254717, now seen corresponding path program 1 times [2024-11-28 05:06:12,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:12,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057410131] [2024-11-28 05:06:12,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:12,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:13,158 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 05:06:13,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:13,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057410131] [2024-11-28 05:06:13,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057410131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:13,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:13,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:06:13,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625572702] [2024-11-28 05:06:13,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:13,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:13,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:13,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:13,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:06:13,182 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1788 [2024-11-28 05:06:13,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 941 places, 971 transitions, 1952 flow. Second operand has 3 states, 3 states have (on average 988.3333333333334) internal successors, (2965), 3 states have internal predecessors, (2965), 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 05:06:13,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:13,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1788 [2024-11-28 05:06:13,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:16,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:17,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:22,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:27,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:29,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:33,451 INFO L124 PetriNetUnfolderBase]: 675/2481 cut-off events. [2024-11-28 05:06:33,451 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-28 05:06:33,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3280 conditions, 2481 events. 675/2481 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11427 event pairs, 135 based on Foata normal form. 0/2111 useless extension candidates. Maximal degree in co-relation 3142. Up to 772 conditions per place. [2024-11-28 05:06:33,476 INFO L140 encePairwiseOnDemand]: 1785/1788 looper letters, 42 selfloop transitions, 2 changer transitions 0/970 dead transitions. [2024-11-28 05:06:33,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 942 places, 970 transitions, 2038 flow [2024-11-28 05:06:33,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:33,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:06:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3006 transitions. [2024-11-28 05:06:33,487 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5604026845637584 [2024-11-28 05:06:33,487 INFO L175 Difference]: Start difference. First operand has 941 places, 971 transitions, 1952 flow. Second operand 3 states and 3006 transitions. [2024-11-28 05:06:33,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 942 places, 970 transitions, 2038 flow [2024-11-28 05:06:33,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 940 places, 970 transitions, 2034 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:06:33,515 INFO L231 Difference]: Finished difference. Result has 940 places, 970 transitions, 1950 flow [2024-11-28 05:06:33,516 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1788, PETRI_DIFFERENCE_MINUEND_FLOW=1946, PETRI_DIFFERENCE_MINUEND_PLACES=938, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=968, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1950, PETRI_PLACES=940, PETRI_TRANSITIONS=970} [2024-11-28 05:06:33,517 INFO L279 CegarLoopForPetriNet]: 1694 programPoint places, -754 predicate places. [2024-11-28 05:06:33,518 INFO L471 AbstractCegarLoop]: Abstraction has has 940 places, 970 transitions, 1950 flow [2024-11-28 05:06:33,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.3333333333334) internal successors, (2965), 3 states have internal predecessors, (2965), 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 05:06:33,521 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:33,521 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] [2024-11-28 05:06:33,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:06:33,521 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1465 more)] === [2024-11-28 05:06:33,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:33,523 INFO L85 PathProgramCache]: Analyzing trace with hash 807574107, now seen corresponding path program 1 times [2024-11-28 05:06:33,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:33,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848861141] [2024-11-28 05:06:33,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:33,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:33,769 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 05:06:33,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:33,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848861141] [2024-11-28 05:06:33,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848861141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:33,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:33,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:06:33,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61895900] [2024-11-28 05:06:33,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:33,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:33,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:33,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:33,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:06:33,798 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1788 [2024-11-28 05:06:33,804 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 940 places, 970 transitions, 1950 flow. Second operand has 3 states, 3 states have (on average 988.3333333333334) internal successors, (2965), 3 states have internal predecessors, (2965), 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 05:06:33,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:33,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1788 [2024-11-28 05:06:33,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:36,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:44,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:45,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:47,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:51,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:06:55,213 INFO L124 PetriNetUnfolderBase]: 675/2480 cut-off events. [2024-11-28 05:06:55,213 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-28 05:06:55,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3279 conditions, 2480 events. 675/2480 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11439 event pairs, 135 based on Foata normal form. 0/2111 useless extension candidates. Maximal degree in co-relation 3094. Up to 772 conditions per place. [2024-11-28 05:06:55,231 INFO L140 encePairwiseOnDemand]: 1785/1788 looper letters, 42 selfloop transitions, 2 changer transitions 0/969 dead transitions. [2024-11-28 05:06:55,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 941 places, 969 transitions, 2036 flow [2024-11-28 05:06:55,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:06:55,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:06:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3006 transitions. [2024-11-28 05:06:55,243 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5604026845637584 [2024-11-28 05:06:55,243 INFO L175 Difference]: Start difference. First operand has 940 places, 970 transitions, 1950 flow. Second operand 3 states and 3006 transitions. [2024-11-28 05:06:55,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 941 places, 969 transitions, 2036 flow [2024-11-28 05:06:55,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 939 places, 969 transitions, 2032 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:06:55,268 INFO L231 Difference]: Finished difference. Result has 939 places, 969 transitions, 1948 flow [2024-11-28 05:06:55,270 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1788, PETRI_DIFFERENCE_MINUEND_FLOW=1944, PETRI_DIFFERENCE_MINUEND_PLACES=937, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=967, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1948, PETRI_PLACES=939, PETRI_TRANSITIONS=969} [2024-11-28 05:06:55,271 INFO L279 CegarLoopForPetriNet]: 1694 programPoint places, -755 predicate places. [2024-11-28 05:06:55,271 INFO L471 AbstractCegarLoop]: Abstraction has has 939 places, 969 transitions, 1948 flow [2024-11-28 05:06:55,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.3333333333334) internal successors, (2965), 3 states have internal predecessors, (2965), 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 05:06:55,274 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:06:55,275 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] [2024-11-28 05:06:55,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:06:55,275 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1465 more)] === [2024-11-28 05:06:55,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:06:55,276 INFO L85 PathProgramCache]: Analyzing trace with hash -380858459, now seen corresponding path program 1 times [2024-11-28 05:06:55,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:06:55,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342519507] [2024-11-28 05:06:55,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:06:55,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:06:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:06:55,506 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 05:06:55,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:06:55,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342519507] [2024-11-28 05:06:55,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342519507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:06:55,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:06:55,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:06:55,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607586557] [2024-11-28 05:06:55,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:06:55,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:06:55,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:06:55,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:06:55,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:06:55,531 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1788 [2024-11-28 05:06:55,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 939 places, 969 transitions, 1948 flow. Second operand has 3 states, 3 states have (on average 988.3333333333334) internal successors, (2965), 3 states have internal predecessors, (2965), 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 05:06:55,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:06:55,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1788 [2024-11-28 05:06:55,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:06:57,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:00,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:01,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:04,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:07,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:11,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:12,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:16,418 INFO L124 PetriNetUnfolderBase]: 675/2479 cut-off events. [2024-11-28 05:07:16,418 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-28 05:07:16,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3278 conditions, 2479 events. 675/2479 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11430 event pairs, 135 based on Foata normal form. 0/2111 useless extension candidates. Maximal degree in co-relation 3046. Up to 772 conditions per place. [2024-11-28 05:07:16,431 INFO L140 encePairwiseOnDemand]: 1785/1788 looper letters, 42 selfloop transitions, 2 changer transitions 0/968 dead transitions. [2024-11-28 05:07:16,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 940 places, 968 transitions, 2034 flow [2024-11-28 05:07:16,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:16,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:16,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3006 transitions. [2024-11-28 05:07:16,440 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5604026845637584 [2024-11-28 05:07:16,440 INFO L175 Difference]: Start difference. First operand has 939 places, 969 transitions, 1948 flow. Second operand 3 states and 3006 transitions. [2024-11-28 05:07:16,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 940 places, 968 transitions, 2034 flow [2024-11-28 05:07:16,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 968 transitions, 2030 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:07:16,454 INFO L231 Difference]: Finished difference. Result has 938 places, 968 transitions, 1946 flow [2024-11-28 05:07:16,455 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1788, PETRI_DIFFERENCE_MINUEND_FLOW=1942, PETRI_DIFFERENCE_MINUEND_PLACES=936, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=966, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1946, PETRI_PLACES=938, PETRI_TRANSITIONS=968} [2024-11-28 05:07:16,456 INFO L279 CegarLoopForPetriNet]: 1694 programPoint places, -756 predicate places. [2024-11-28 05:07:16,456 INFO L471 AbstractCegarLoop]: Abstraction has has 938 places, 968 transitions, 1946 flow [2024-11-28 05:07:16,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.3333333333334) internal successors, (2965), 3 states have internal predecessors, (2965), 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 05:07:16,459 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:16,459 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] [2024-11-28 05:07:16,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:07:16,460 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1465 more)] === [2024-11-28 05:07:16,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:16,461 INFO L85 PathProgramCache]: Analyzing trace with hash 130629290, now seen corresponding path program 1 times [2024-11-28 05:07:16,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:16,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83691969] [2024-11-28 05:07:16,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:16,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:16,632 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 05:07:16,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:16,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83691969] [2024-11-28 05:07:16,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83691969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:16,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:16,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:16,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134057242] [2024-11-28 05:07:16,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:16,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:16,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:16,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:16,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:16,649 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1788 [2024-11-28 05:07:16,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 938 places, 968 transitions, 1946 flow. Second operand has 3 states, 3 states have (on average 988.3333333333334) internal successors, (2965), 3 states have internal predecessors, (2965), 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 05:07:16,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:16,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1788 [2024-11-28 05:07:16,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:18,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:21,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:22,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:26,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:29,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 05:07:34,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []