./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme --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 d8f535cb798ce58a79ec2e9a728d4e5d884025e215c7cfd9880fc53267dd5a20 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:57:17,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:57:17,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:57:17,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:57:17,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:57:17,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:57:17,564 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:57:17,565 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:57:17,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:57:17,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:57:17,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:57:17,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:57:17,572 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:57:17,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:57:17,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:57:17,574 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:57:17,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:57:17,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:57:17,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:57:17,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:57:17,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:57:17,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:57:17,577 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:57:17,578 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:57:17,578 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:57:17,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:57:17,579 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:57:17,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:57:17,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:57:17,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:57:17,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:57:17,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:57:17,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:57:17,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:57:17,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:57:17,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:57:17,583 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:57:17,583 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:57:17,583 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:57:17,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:57:17,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:57:17,584 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8f535cb798ce58a79ec2e9a728d4e5d884025e215c7cfd9880fc53267dd5a20 [2023-11-26 11:57:17,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:57:17,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:57:17,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:57:17,984 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:57:17,985 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:57:17,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i [2023-11-26 11:57:21,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:57:21,527 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:57:21,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/sv-benchmarks/c/pthread-wmm/mix027_power.oepc_pso.oepc_rmo.oepc.i [2023-11-26 11:57:21,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/data/4fd301366/f7ed51d1db664aa094e5a82da89cf46a/FLAGbc4fbc9fc [2023-11-26 11:57:21,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/data/4fd301366/f7ed51d1db664aa094e5a82da89cf46a [2023-11-26 11:57:21,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:57:21,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:57:21,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:57:21,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:57:21,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:57:21,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:57:21" (1/1) ... [2023-11-26 11:57:21,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23651558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:21, skipping insertion in model container [2023-11-26 11:57:21,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:57:21" (1/1) ... [2023-11-26 11:57:21,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:57:22,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:57:22,247 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:57:22,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:57:22,367 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:57:22,367 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:57:22,375 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:57:22,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22 WrapperNode [2023-11-26 11:57:22,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:57:22,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:57:22,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:57:22,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:57:22,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22" (1/1) ... [2023-11-26 11:57:22,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22" (1/1) ... [2023-11-26 11:57:22,458 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 521 [2023-11-26 11:57:22,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:57:22,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:57:22,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:57:22,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:57:22,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22" (1/1) ... [2023-11-26 11:57:22,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22" (1/1) ... [2023-11-26 11:57:22,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22" (1/1) ... [2023-11-26 11:57:22,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22" (1/1) ... [2023-11-26 11:57:22,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22" (1/1) ... [2023-11-26 11:57:22,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22" (1/1) ... [2023-11-26 11:57:22,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22" (1/1) ... [2023-11-26 11:57:22,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22" (1/1) ... [2023-11-26 11:57:22,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:57:22,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:57:22,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:57:22,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:57:22,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22" (1/1) ... [2023-11-26 11:57:22,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:57:22,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:22,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:22,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8211adc8-8a81-48ff-b2df-c212c426ee3e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:57:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:57:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:57:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:57:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:57:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:57:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-26 11:57:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-26 11:57:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-26 11:57:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-26 11:57:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-26 11:57:22,657 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-26 11:57:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-26 11:57:22,657 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-26 11:57:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:57:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:57:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:57:22,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:57:22,660 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:57:22,865 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:57:22,867 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:57:24,558 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:57:30,380 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:57:30,380 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:57:30,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:30 BoogieIcfgContainer [2023-11-26 11:57:30,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:57:30,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:57:30,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:57:30,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:57:30,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:57:21" (1/3) ... [2023-11-26 11:57:30,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fbc58b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:57:30, skipping insertion in model container [2023-11-26 11:57:30,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:57:22" (2/3) ... [2023-11-26 11:57:30,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fbc58b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:57:30, skipping insertion in model container [2023-11-26 11:57:30,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:57:30" (3/3) ... [2023-11-26 11:57:30,397 INFO L112 eAbstractionObserver]: Analyzing ICFG mix027_power.oepc_pso.oepc_rmo.oepc.i [2023-11-26 11:57:30,407 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:57:30,418 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:57:30,418 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 282 error locations. [2023-11-26 11:57:30,419 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:57:30,860 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:57:30,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 432 places, 422 transitions, 860 flow [2023-11-26 11:57:31,201 INFO L124 PetriNetUnfolderBase]: 3/418 cut-off events. [2023-11-26 11:57:31,202 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:57:31,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 418 events. 3/418 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2299 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 381. Up to 2 conditions per place. [2023-11-26 11:57:31,223 INFO L82 GeneralOperation]: Start removeDead. Operand has 432 places, 422 transitions, 860 flow [2023-11-26 11:57:31,264 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 428 places, 418 transitions, 848 flow [2023-11-26 11:57:31,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:57:31,293 INFO L357 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, mHoare=true, 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;@3ff91fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:57:31,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 530 error locations. [2023-11-26 11:57:31,305 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:57:31,305 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2023-11-26 11:57:31,305 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:57:31,306 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:57:31,306 INFO L208 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] [2023-11-26 11:57:31,307 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 526 more)] === [2023-11-26 11:57:31,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:31,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1880115115, now seen corresponding path program 1 times [2023-11-26 11:57:31,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:31,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218193182] [2023-11-26 11:57:31,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:31,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:31,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:31,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:31,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218193182] [2023-11-26 11:57:31,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218193182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:31,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:31,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:57:31,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31284967] [2023-11-26 11:57:31,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:31,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:57:31,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:31,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:57:31,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:57:31,673 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 422 [2023-11-26 11:57:31,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 418 transitions, 848 flow. Second operand has 2 states, 2 states have (on average 115.0) internal successors, (230), 2 states have internal predecessors, (230), 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) [2023-11-26 11:57:31,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:57:31,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 422 [2023-11-26 11:57:31,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:57:48,288 INFO L124 PetriNetUnfolderBase]: 9295/31614 cut-off events. [2023-11-26 11:57:48,288 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2023-11-26 11:57:48,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44382 conditions, 31614 events. 9295/31614 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1062. Compared 423054 event pairs, 9295 based on Foata normal form. 2193/32114 useless extension candidates. Maximal degree in co-relation 44330. Up to 12451 conditions per place. [2023-11-26 11:57:48,584 INFO L140 encePairwiseOnDemand]: 139/422 looper letters, 24 selfloop transitions, 0 changer transitions 0/132 dead transitions. [2023-11-26 11:57:48,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 132 transitions, 324 flow [2023-11-26 11:57:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:57:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:57:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 535 transitions. [2023-11-26 11:57:48,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6338862559241706 [2023-11-26 11:57:48,610 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 535 transitions. [2023-11-26 11:57:48,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 535 transitions. [2023-11-26 11:57:48,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:48,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 535 transitions. [2023-11-26 11:57:48,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 267.5) internal successors, (535), 2 states have internal predecessors, (535), 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) [2023-11-26 11:57:48,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 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) [2023-11-26 11:57:48,632 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 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) [2023-11-26 11:57:48,634 INFO L175 Difference]: Start difference. First operand has 428 places, 418 transitions, 848 flow. Second operand 2 states and 535 transitions. [2023-11-26 11:57:48,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 132 transitions, 324 flow [2023-11-26 11:57:48,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 132 transitions, 320 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:57:48,644 INFO L231 Difference]: Finished difference. Result has 142 places, 132 transitions, 272 flow [2023-11-26 11:57:48,647 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=272, PETRI_PLACES=142, PETRI_TRANSITIONS=132} [2023-11-26 11:57:48,651 INFO L281 CegarLoopForPetriNet]: 428 programPoint places, -286 predicate places. [2023-11-26 11:57:48,651 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 132 transitions, 272 flow [2023-11-26 11:57:48,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 115.0) internal successors, (230), 2 states have internal predecessors, (230), 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) [2023-11-26 11:57:48,653 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:57:48,653 INFO L208 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] [2023-11-26 11:57:48,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:57:48,653 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 526 more)] === [2023-11-26 11:57:48,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:48,654 INFO L85 PathProgramCache]: Analyzing trace with hash 710403575, now seen corresponding path program 1 times [2023-11-26 11:57:48,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:48,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071546663] [2023-11-26 11:57:48,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:48,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:48,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:57:48,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071546663] [2023-11-26 11:57:48,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071546663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:57:48,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:57:48,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:57:48,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724370174] [2023-11-26 11:57:48,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:57:48,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:57:48,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:48,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:57:48,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:57:48,927 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 422 [2023-11-26 11:57:48,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 132 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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) [2023-11-26 11:57:48,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:57:48,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 422 [2023-11-26 11:57:48,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:06,486 INFO L124 PetriNetUnfolderBase]: 14145/42892 cut-off events. [2023-11-26 11:58:06,486 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:58:06,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62007 conditions, 42892 events. 14145/42892 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1037. Compared 550069 event pairs, 4445 based on Foata normal form. 0/40590 useless extension candidates. Maximal degree in co-relation 62004. Up to 12700 conditions per place. [2023-11-26 11:58:06,794 INFO L140 encePairwiseOnDemand]: 420/422 looper letters, 42 selfloop transitions, 1 changer transitions 0/148 dead transitions. [2023-11-26 11:58:06,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 148 transitions, 390 flow [2023-11-26 11:58:06,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:06,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2023-11-26 11:58:06,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.29778830963665087 [2023-11-26 11:58:06,798 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 377 transitions. [2023-11-26 11:58:06,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 377 transitions. [2023-11-26 11:58:06,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:06,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 377 transitions. [2023-11-26 11:58:06,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 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) [2023-11-26 11:58:06,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 422.0) internal successors, (1688), 4 states have internal predecessors, (1688), 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) [2023-11-26 11:58:06,810 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 422.0) internal successors, (1688), 4 states have internal predecessors, (1688), 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) [2023-11-26 11:58:06,810 INFO L175 Difference]: Start difference. First operand has 142 places, 132 transitions, 272 flow. Second operand 3 states and 377 transitions. [2023-11-26 11:58:06,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 148 transitions, 390 flow [2023-11-26 11:58:06,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 148 transitions, 390 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:58:06,818 INFO L231 Difference]: Finished difference. Result has 143 places, 131 transitions, 272 flow [2023-11-26 11:58:06,820 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=143, PETRI_TRANSITIONS=131} [2023-11-26 11:58:06,823 INFO L281 CegarLoopForPetriNet]: 428 programPoint places, -285 predicate places. [2023-11-26 11:58:06,824 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 131 transitions, 272 flow [2023-11-26 11:58:06,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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) [2023-11-26 11:58:06,825 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:06,826 INFO L208 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] [2023-11-26 11:58:06,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:58:06,827 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 526 more)] === [2023-11-26 11:58:06,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:06,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1912456668, now seen corresponding path program 1 times [2023-11-26 11:58:06,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:06,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958849209] [2023-11-26 11:58:06,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:06,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:58:07,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:07,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958849209] [2023-11-26 11:58:07,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958849209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:07,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:07,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:07,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776977572] [2023-11-26 11:58:07,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:07,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:07,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:07,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:07,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:07,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 422 [2023-11-26 11:58:07,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 131 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2023-11-26 11:58:07,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:07,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 422 [2023-11-26 11:58:07,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand