./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.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_62825692-7ee9-4304-a0a5-1b68614eb400/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62825692-7ee9-4304-a0a5-1b68614eb400/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_62825692-7ee9-4304-a0a5-1b68614eb400/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62825692-7ee9-4304-a0a5-1b68614eb400/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62825692-7ee9-4304-a0a5-1b68614eb400/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_62825692-7ee9-4304-a0a5-1b68614eb400/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 0b278c8af08551c2e27294e2c5dca8c5bd0f6f00874366f88466c32210c557af --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:47:00,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:47:00,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62825692-7ee9-4304-a0a5-1b68614eb400/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:47:00,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:47:00,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:47:00,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:47:00,986 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:47:00,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:47:00,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:47:00,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:47:00,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:47:00,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:47:00,997 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:47:01,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:47:01,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:47:01,001 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:47:01,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:47:01,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:47:01,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:47:01,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:47:01,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:47:01,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:47:01,007 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:47:01,008 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:47:01,009 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:47:01,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:47:01,010 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:47:01,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:47:01,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:47:01,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:47:01,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:01,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:47:01,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:47:01,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:47:01,016 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:47:01,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:47:01,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:47:01,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:47:01,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:47:01,018 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:47:01,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:47:01,019 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_62825692-7ee9-4304-a0a5-1b68614eb400/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62825692-7ee9-4304-a0a5-1b68614eb400/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b278c8af08551c2e27294e2c5dca8c5bd0f6f00874366f88466c32210c557af [2023-11-26 11:47:01,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:47:01,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:47:01,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:47:01,428 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:47:01,429 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:47:01,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62825692-7ee9-4304-a0a5-1b68614eb400/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2023-11-26 11:47:04,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:47:04,989 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:47:04,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62825692-7ee9-4304-a0a5-1b68614eb400/sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2023-11-26 11:47:05,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62825692-7ee9-4304-a0a5-1b68614eb400/bin/uautomizer-verify-VRDe98Ueme/data/afa11b41a/304c79bf64b14aa4aadf94436b7b45c0/FLAGe4ef5edc7 [2023-11-26 11:47:05,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62825692-7ee9-4304-a0a5-1b68614eb400/bin/uautomizer-verify-VRDe98Ueme/data/afa11b41a/304c79bf64b14aa4aadf94436b7b45c0 [2023-11-26 11:47:05,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:47:05,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:47:05,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:05,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:47:05,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:47:05,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:05,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775894e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05, skipping insertion in model container [2023-11-26 11:47:05,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:05,111 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:47:05,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:05,738 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:47:05,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:05,942 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:47:05,943 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:47:05,953 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:47:05,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05 WrapperNode [2023-11-26 11:47:05,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:05,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:05,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:47:05,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:47:05,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:06,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:06,109 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 968 [2023-11-26 11:47:06,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:06,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:47:06,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:47:06,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:47:06,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:06,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:06,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:06,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:06,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:06,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:06,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:06,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:06,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:47:06,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:47:06,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:47:06,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:47:06,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05" (1/1) ... [2023-11-26 11:47:06,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:06,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62825692-7ee9-4304-a0a5-1b68614eb400/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:06,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62825692-7ee9-4304-a0a5-1b68614eb400/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:06,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62825692-7ee9-4304-a0a5-1b68614eb400/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:47:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:47:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:47:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:47:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:47:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:47:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-26 11:47:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-26 11:47:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-26 11:47:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-26 11:47:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-26 11:47:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-26 11:47:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-26 11:47:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-26 11:47:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:47:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:47:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:47:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:47:06,323 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 11:47:06,594 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:47:06,597 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:47:08,347 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:47:14,457 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:47:14,457 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:47:14,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:14 BoogieIcfgContainer [2023-11-26 11:47:14,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:47:14,464 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:47:14,464 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:47:14,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:47:14,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:47:05" (1/3) ... [2023-11-26 11:47:14,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6cec5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:14, skipping insertion in model container [2023-11-26 11:47:14,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:05" (2/3) ... [2023-11-26 11:47:14,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6cec5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:14, skipping insertion in model container [2023-11-26 11:47:14,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:14" (3/3) ... [2023-11-26 11:47:14,473 INFO L112 eAbstractionObserver]: Analyzing ICFG mix029_power.opt_pso.opt_rmo.opt.i [2023-11-26 11:47:14,484 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:47:14,495 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:47:14,495 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 254 error locations. [2023-11-26 11:47:14,496 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:47:14,741 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:47:14,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 404 places, 394 transitions, 804 flow [2023-11-26 11:47:15,269 INFO L124 PetriNetUnfolderBase]: 3/390 cut-off events. [2023-11-26 11:47:15,270 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:47:15,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 390 events. 3/390 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 2034 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 353. Up to 2 conditions per place. [2023-11-26 11:47:15,286 INFO L82 GeneralOperation]: Start removeDead. Operand has 404 places, 394 transitions, 804 flow [2023-11-26 11:47:15,321 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 400 places, 390 transitions, 792 flow [2023-11-26 11:47:15,339 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:47:15,351 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;@6894748c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:47:15,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 380 error locations. [2023-11-26 11:47:15,363 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:47:15,363 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2023-11-26 11:47:15,364 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:47:15,364 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:15,365 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 11:47:15,365 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 376 more)] === [2023-11-26 11:47:15,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:15,371 INFO L85 PathProgramCache]: Analyzing trace with hash 872566178, now seen corresponding path program 1 times [2023-11-26 11:47:15,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:15,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658090382] [2023-11-26 11:47:15,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:15,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:15,683 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 11:47:15,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:15,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658090382] [2023-11-26 11:47:15,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658090382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:15,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:15,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:47:15,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253092726] [2023-11-26 11:47:15,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:15,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:47:15,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:15,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:47:15,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:47:15,736 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 394 [2023-11-26 11:47:15,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 390 transitions, 792 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 11:47:15,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:15,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 394 [2023-11-26 11:47:15,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:29,894 INFO L124 PetriNetUnfolderBase]: 7310/25193 cut-off events. [2023-11-26 11:47:29,895 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2023-11-26 11:47:30,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35283 conditions, 25193 events. 7310/25193 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 855. Compared 329413 event pairs, 7310 based on Foata normal form. 1747/25566 useless extension candidates. Maximal degree in co-relation 35231. Up to 9835 conditions per place. [2023-11-26 11:47:30,203 INFO L140 encePairwiseOnDemand]: 139/394 looper letters, 23 selfloop transitions, 0 changer transitions 0/132 dead transitions. [2023-11-26 11:47:30,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 132 transitions, 322 flow [2023-11-26 11:47:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:47:30,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:47:30,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 508 transitions. [2023-11-26 11:47:30,238 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6446700507614214 [2023-11-26 11:47:30,239 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 508 transitions. [2023-11-26 11:47:30,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 508 transitions. [2023-11-26 11:47:30,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:30,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 508 transitions. [2023-11-26 11:47:30,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 254.0) internal successors, (508), 2 states have internal predecessors, (508), 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 11:47:30,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 394.0) internal successors, (1182), 3 states have internal predecessors, (1182), 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 11:47:30,263 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 394.0) internal successors, (1182), 3 states have internal predecessors, (1182), 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 11:47:30,265 INFO L175 Difference]: Start difference. First operand has 400 places, 390 transitions, 792 flow. Second operand 2 states and 508 transitions. [2023-11-26 11:47:30,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 132 transitions, 322 flow [2023-11-26 11:47:30,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 132 transitions, 318 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:47:30,279 INFO L231 Difference]: Finished difference. Result has 142 places, 132 transitions, 272 flow [2023-11-26 11:47:30,281 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, 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 11:47:30,286 INFO L281 CegarLoopForPetriNet]: 400 programPoint places, -258 predicate places. [2023-11-26 11:47:30,287 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 132 transitions, 272 flow [2023-11-26 11:47:30,288 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 11:47:30,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:30,288 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 11:47:30,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:47:30,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 376 more)] === [2023-11-26 11:47:30,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:30,290 INFO L85 PathProgramCache]: Analyzing trace with hash -136963423, now seen corresponding path program 1 times [2023-11-26 11:47:30,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:30,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626333976] [2023-11-26 11:47:30,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:30,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:30,582 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 11:47:30,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:30,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626333976] [2023-11-26 11:47:30,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626333976] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:30,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:30,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:30,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034957628] [2023-11-26 11:47:30,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:30,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:30,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:30,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:30,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:30,595 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 394 [2023-11-26 11:47:30,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 132 transitions, 272 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 11:47:30,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:30,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 394 [2023-11-26 11:47:30,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:43,426 INFO L124 PetriNetUnfolderBase]: 11130/34152 cut-off events. [2023-11-26 11:47:43,426 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:47:43,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49259 conditions, 34152 events. 11130/34152 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 840. Compared 429201 event pairs, 3490 based on Foata normal form. 0/32306 useless extension candidates. Maximal degree in co-relation 49256. Up to 10040 conditions per place. [2023-11-26 11:47:43,723 INFO L140 encePairwiseOnDemand]: 392/394 looper letters, 40 selfloop transitions, 1 changer transitions 0/147 dead transitions. [2023-11-26 11:47:43,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 147 transitions, 384 flow [2023-11-26 11:47:43,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:43,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:47:43,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions. [2023-11-26 11:47:43,727 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3197969543147208 [2023-11-26 11:47:43,727 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 378 transitions. [2023-11-26 11:47:43,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 378 transitions. [2023-11-26 11:47:43,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:43,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 378 transitions. [2023-11-26 11:47:43,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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 11:47:43,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 394.0) internal successors, (1576), 4 states have internal predecessors, (1576), 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 11:47:43,737 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 394.0) internal successors, (1576), 4 states have internal predecessors, (1576), 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 11:47:43,737 INFO L175 Difference]: Start difference. First operand has 142 places, 132 transitions, 272 flow. Second operand 3 states and 378 transitions. [2023-11-26 11:47:43,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 147 transitions, 384 flow [2023-11-26 11:47:43,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 147 transitions, 384 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:47:43,745 INFO L231 Difference]: Finished difference. Result has 143 places, 131 transitions, 272 flow [2023-11-26 11:47:43,746 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, 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 11:47:43,749 INFO L281 CegarLoopForPetriNet]: 400 programPoint places, -257 predicate places. [2023-11-26 11:47:43,750 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 131 transitions, 272 flow [2023-11-26 11:47:43,751 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 11:47:43,751 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:43,752 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 11:47:43,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:47:43,753 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr131ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 376 more)] === [2023-11-26 11:47:43,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:43,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1503915157, now seen corresponding path program 1 times [2023-11-26 11:47:43,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:43,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246357885] [2023-11-26 11:47:43,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:43,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:44,066 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 11:47:44,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:44,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246357885] [2023-11-26 11:47:44,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246357885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:44,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:44,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:44,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453447435] [2023-11-26 11:47:44,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:44,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:44,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:44,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:44,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:44,077 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 394 [2023-11-26 11:47:44,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 131 transitions, 272 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 11:47:44,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:44,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 394 [2023-11-26 11:47:44,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand