./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix020.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/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_5e8a9f8b-561a-4e50-ad78-12ca140bce45/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix020.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/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_5e8a9f8b-561a-4e50-ad78-12ca140bce45/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 035ec41aa2053cde8ee24830f9eb7cf444ea0c142ead33ef0c1fe95c3a7de39e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:57:58,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:57:58,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:57:58,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:57:58,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:57:58,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:57:58,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:57:58,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:57:58,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:57:58,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:57:58,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:57:58,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:57:58,983 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:57:58,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:57:58,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:57:58,985 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:57:58,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:57:58,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:57:58,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:57:58,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:57:58,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:57:58,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:57:58,990 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:57:58,991 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:57:58,992 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:57:58,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:57:58,993 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:57:58,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:57:58,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:57:58,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:57:58,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:57:58,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:57:58,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:57:58,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:57:58,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:57:59,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:57:59,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:57:59,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:57:59,002 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:57:59,002 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:57:59,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:57:59,004 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_5e8a9f8b-561a-4e50-ad78-12ca140bce45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 035ec41aa2053cde8ee24830f9eb7cf444ea0c142ead33ef0c1fe95c3a7de39e [2023-11-26 11:57:59,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:57:59,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:57:59,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:57:59,383 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:57:59,384 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:57:59,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-wmm/mix020.oepc.i [2023-11-26 11:58:02,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:58:03,193 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:58:03,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/sv-benchmarks/c/pthread-wmm/mix020.oepc.i [2023-11-26 11:58:03,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/bin/uautomizer-verify-VRDe98Ueme/data/4473818ed/859ac9dd05c147e78893d07a196ce090/FLAG9fc9cb601 [2023-11-26 11:58:03,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/bin/uautomizer-verify-VRDe98Ueme/data/4473818ed/859ac9dd05c147e78893d07a196ce090 [2023-11-26 11:58:03,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:58:03,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:58:03,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:03,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:58:03,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:58:03,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:03" (1/1) ... [2023-11-26 11:58:03,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1b8d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:03, skipping insertion in model container [2023-11-26 11:58:03,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:03" (1/1) ... [2023-11-26 11:58:03,341 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:58:03,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:03,982 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:58:04,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:04,197 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:58:04,197 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:58:04,207 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:58:04,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04 WrapperNode [2023-11-26 11:58:04,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:04,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:04,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:58:04,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:58:04,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04" (1/1) ... [2023-11-26 11:58:04,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04" (1/1) ... [2023-11-26 11:58:04,368 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 524 [2023-11-26 11:58:04,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:04,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:58:04,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:58:04,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:58:04,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04" (1/1) ... [2023-11-26 11:58:04,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04" (1/1) ... [2023-11-26 11:58:04,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04" (1/1) ... [2023-11-26 11:58:04,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04" (1/1) ... [2023-11-26 11:58:04,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04" (1/1) ... [2023-11-26 11:58:04,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04" (1/1) ... [2023-11-26 11:58:04,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04" (1/1) ... [2023-11-26 11:58:04,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04" (1/1) ... [2023-11-26 11:58:04,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:58:04,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:58:04,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:58:04,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:58:04,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04" (1/1) ... [2023-11-26 11:58:04,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:04,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:04,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:04,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e8a9f8b-561a-4e50-ad78-12ca140bce45/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:58:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:58:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:58:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:58:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:58:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:58:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-26 11:58:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-26 11:58:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-26 11:58:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-26 11:58:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-26 11:58:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-26 11:58:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-26 11:58:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-26 11:58:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:58:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:58:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:58:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:58:04,684 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 11:58:04,952 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:58:04,955 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:58:06,855 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:58:13,435 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:58:13,436 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:58:13,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:13 BoogieIcfgContainer [2023-11-26 11:58:13,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:58:13,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:58:13,443 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:58:13,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:58:13,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:58:03" (1/3) ... [2023-11-26 11:58:13,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6f35e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:13, skipping insertion in model container [2023-11-26 11:58:13,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:04" (2/3) ... [2023-11-26 11:58:13,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6f35e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:13, skipping insertion in model container [2023-11-26 11:58:13,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:13" (3/3) ... [2023-11-26 11:58:13,455 INFO L112 eAbstractionObserver]: Analyzing ICFG mix020.oepc.i [2023-11-26 11:58:13,467 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:58:13,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:58:13,481 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 283 error locations. [2023-11-26 11:58:13,481 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:58:13,837 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:58:13,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 434 places, 424 transitions, 864 flow [2023-11-26 11:58:14,162 INFO L124 PetriNetUnfolderBase]: 3/420 cut-off events. [2023-11-26 11:58:14,163 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:58:14,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 420 events. 3/420 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2226 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 382. Up to 2 conditions per place. [2023-11-26 11:58:14,186 INFO L82 GeneralOperation]: Start removeDead. Operand has 434 places, 424 transitions, 864 flow [2023-11-26 11:58:14,226 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 430 places, 420 transitions, 852 flow [2023-11-26 11:58:14,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:58:14,244 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;@72c29a3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:58:14,245 INFO L358 AbstractCegarLoop]: Starting to check reachability of 532 error locations. [2023-11-26 11:58:14,256 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:58:14,256 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2023-11-26 11:58:14,257 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:58:14,257 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:14,258 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] [2023-11-26 11:58:14,259 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 528 more)] === [2023-11-26 11:58:14,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:14,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1323023170, now seen corresponding path program 1 times [2023-11-26 11:58:14,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:14,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612489622] [2023-11-26 11:58:14,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:14,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,676 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 11:58:14,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:14,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612489622] [2023-11-26 11:58:14,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612489622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:14,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:14,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:58:14,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292415863] [2023-11-26 11:58:14,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:14,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:58:14,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:14,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:58:14,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:58:14,748 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 424 [2023-11-26 11:58:14,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 420 transitions, 852 flow. Second operand has 2 states, 2 states have (on average 116.0) internal successors, (232), 2 states have internal predecessors, (232), 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 11:58:14,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:14,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 424 [2023-11-26 11:58:14,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:30,353 INFO L124 PetriNetUnfolderBase]: 9295/31615 cut-off events. [2023-11-26 11:58:30,353 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2023-11-26 11:58:30,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44383 conditions, 31615 events. 9295/31615 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1062. Compared 423332 event pairs, 9295 based on Foata normal form. 2193/32115 useless extension candidates. Maximal degree in co-relation 44330. Up to 12451 conditions per place. [2023-11-26 11:58:30,654 INFO L140 encePairwiseOnDemand]: 140/424 looper letters, 24 selfloop transitions, 0 changer transitions 0/133 dead transitions. [2023-11-26 11:58:30,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 133 transitions, 326 flow [2023-11-26 11:58:30,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:58:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:58:30,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 538 transitions. [2023-11-26 11:58:30,683 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6344339622641509 [2023-11-26 11:58:30,684 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 538 transitions. [2023-11-26 11:58:30,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 538 transitions. [2023-11-26 11:58:30,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:30,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 538 transitions. [2023-11-26 11:58:30,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 269.0) internal successors, (538), 2 states have internal predecessors, (538), 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 11:58:30,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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 11:58:30,708 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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 11:58:30,711 INFO L175 Difference]: Start difference. First operand has 430 places, 420 transitions, 852 flow. Second operand 2 states and 538 transitions. [2023-11-26 11:58:30,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 133 transitions, 326 flow [2023-11-26 11:58:30,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 133 transitions, 322 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:58:30,724 INFO L231 Difference]: Finished difference. Result has 143 places, 133 transitions, 274 flow [2023-11-26 11:58:30,727 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=274, PETRI_PLACES=143, PETRI_TRANSITIONS=133} [2023-11-26 11:58:30,732 INFO L281 CegarLoopForPetriNet]: 430 programPoint places, -287 predicate places. [2023-11-26 11:58:30,733 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 133 transitions, 274 flow [2023-11-26 11:58:30,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.0) internal successors, (232), 2 states have internal predecessors, (232), 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 11:58:30,733 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:30,734 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] [2023-11-26 11:58:30,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:58:30,734 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 528 more)] === [2023-11-26 11:58:30,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:30,736 INFO L85 PathProgramCache]: Analyzing trace with hash -202746075, now seen corresponding path program 1 times [2023-11-26 11:58:30,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:30,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714264481] [2023-11-26 11:58:30,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:30,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:30,965 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 11:58:30,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:30,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714264481] [2023-11-26 11:58:30,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714264481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:30,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:30,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:30,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867096741] [2023-11-26 11:58:30,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:30,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:30,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:30,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:30,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:30,976 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 424 [2023-11-26 11:58:30,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 133 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 11:58:30,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:30,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 424 [2023-11-26 11:58:30,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:45,855 INFO L124 PetriNetUnfolderBase]: 14145/42893 cut-off events. [2023-11-26 11:58:45,856 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:58:45,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62008 conditions, 42893 events. 14145/42893 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1037. Compared 550501 event pairs, 4445 based on Foata normal form. 0/40591 useless extension candidates. Maximal degree in co-relation 62005. Up to 12700 conditions per place. [2023-11-26 11:58:46,142 INFO L140 encePairwiseOnDemand]: 422/424 looper letters, 42 selfloop transitions, 1 changer transitions 0/149 dead transitions. [2023-11-26 11:58:46,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 149 transitions, 392 flow [2023-11-26 11:58:46,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:46,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:46,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 380 transitions. [2023-11-26 11:58:46,146 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.29874213836477986 [2023-11-26 11:58:46,146 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 380 transitions. [2023-11-26 11:58:46,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 380 transitions. [2023-11-26 11:58:46,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:46,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 380 transitions. [2023-11-26 11:58:46,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 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 11:58:46,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 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 11:58:46,157 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 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 11:58:46,157 INFO L175 Difference]: Start difference. First operand has 143 places, 133 transitions, 274 flow. Second operand 3 states and 380 transitions. [2023-11-26 11:58:46,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 149 transitions, 392 flow [2023-11-26 11:58:46,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 149 transitions, 392 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:58:46,165 INFO L231 Difference]: Finished difference. Result has 144 places, 132 transitions, 274 flow [2023-11-26 11:58:46,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=144, PETRI_TRANSITIONS=132} [2023-11-26 11:58:46,169 INFO L281 CegarLoopForPetriNet]: 430 programPoint places, -286 predicate places. [2023-11-26 11:58:46,170 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 132 transitions, 274 flow [2023-11-26 11:58:46,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 11:58:46,171 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:46,172 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, 1] [2023-11-26 11:58:46,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:58:46,173 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 528 more)] === [2023-11-26 11:58:46,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:46,174 INFO L85 PathProgramCache]: Analyzing trace with hash 423594314, now seen corresponding path program 1 times [2023-11-26 11:58:46,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:46,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064427314] [2023-11-26 11:58:46,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:46,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:46,435 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 11:58:46,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:46,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064427314] [2023-11-26 11:58:46,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064427314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:46,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:46,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:46,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204432614] [2023-11-26 11:58:46,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:46,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:46,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:46,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:46,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:46,442 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 424 [2023-11-26 11:58:46,443 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 132 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 11:58:46,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:46,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 424 [2023-11-26 11:58:46,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand