./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe031_tso.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_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe031_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya --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 26b6897a83c9df9076ea7ea4c612ce46453382fa627c0d6af54da2d169befd96 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:20:54,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:20:54,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:20:54,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:20:54,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:20:54,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:20:54,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:20:54,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:20:54,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:20:54,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:20:54,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:20:54,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:20:54,725 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:20:54,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:20:54,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:20:54,727 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:20:54,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:20:54,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:20:54,728 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:20:54,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:20:54,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:20:54,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:20:54,730 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:20:54,731 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:20:54,731 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:20:54,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:20:54,732 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:20:54,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:20:54,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:20:54,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:20:54,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:20:54,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:20:54,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:20:54,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:20:54,735 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:20:54,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:20:54,736 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:20:54,736 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:20:54,736 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:20:54,736 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:20:54,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:20:54,737 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_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26b6897a83c9df9076ea7ea4c612ce46453382fa627c0d6af54da2d169befd96 [2023-11-29 02:20:54,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:20:54,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:20:54,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:20:54,982 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:20:54,982 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:20:54,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread-wmm/safe031_tso.i [2023-11-29 02:20:57,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:20:57,942 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:20:57,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/sv-benchmarks/c/pthread-wmm/safe031_tso.i [2023-11-29 02:20:57,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/data/814505c45/c1a189184ebc409799d01d45dc530922/FLAG08c408931 [2023-11-29 02:20:57,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/data/814505c45/c1a189184ebc409799d01d45dc530922 [2023-11-29 02:20:57,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:20:57,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:20:57,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:20:57,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:20:57,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:20:57,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:20:57" (1/1) ... [2023-11-29 02:20:57,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71128b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:57, skipping insertion in model container [2023-11-29 02:20:57,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:20:57" (1/1) ... [2023-11-29 02:20:58,040 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:20:58,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:20:58,365 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:20:58,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:20:58,438 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:20:58,438 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:20:58,446 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:20:58,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58 WrapperNode [2023-11-29 02:20:58,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:20:58,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:20:58,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:20:58,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:20:58,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58" (1/1) ... [2023-11-29 02:20:58,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58" (1/1) ... [2023-11-29 02:20:58,494 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 100 [2023-11-29 02:20:58,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:20:58,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:20:58,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:20:58,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:20:58,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58" (1/1) ... [2023-11-29 02:20:58,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58" (1/1) ... [2023-11-29 02:20:58,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58" (1/1) ... [2023-11-29 02:20:58,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58" (1/1) ... [2023-11-29 02:20:58,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58" (1/1) ... [2023-11-29 02:20:58,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58" (1/1) ... [2023-11-29 02:20:58,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58" (1/1) ... [2023-11-29 02:20:58,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58" (1/1) ... [2023-11-29 02:20:58,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:20:58,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:20:58,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:20:58,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:20:58,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58" (1/1) ... [2023-11-29 02:20:58,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:20:58,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:20:58,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:20:58,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:20:58,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:20:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 02:20:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:20:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:20:58,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:20:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-29 02:20:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-29 02:20:58,592 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-29 02:20:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-29 02:20:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-29 02:20:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-29 02:20:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:20:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 02:20:58,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:20:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:20:58,595 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 02:20:58,730 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:20:58,732 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:20:58,960 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:20:59,088 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:20:59,088 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 02:20:59,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:20:59 BoogieIcfgContainer [2023-11-29 02:20:59,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:20:59,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:20:59,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:20:59,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:20:59,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:20:57" (1/3) ... [2023-11-29 02:20:59,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2413d925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:20:59, skipping insertion in model container [2023-11-29 02:20:59,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:20:58" (2/3) ... [2023-11-29 02:20:59,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2413d925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:20:59, skipping insertion in model container [2023-11-29 02:20:59,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:20:59" (3/3) ... [2023-11-29 02:20:59,118 INFO L112 eAbstractionObserver]: Analyzing ICFG safe031_tso.i [2023-11-29 02:20:59,126 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:20:59,133 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:20:59,134 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2023-11-29 02:20:59,134 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:20:59,179 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 02:20:59,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 121 transitions, 254 flow [2023-11-29 02:20:59,262 INFO L124 PetriNetUnfolderBase]: 3/118 cut-off events. [2023-11-29 02:20:59,263 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:20:59,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 118 events. 3/118 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 135 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2023-11-29 02:20:59,268 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 121 transitions, 254 flow [2023-11-29 02:20:59,274 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 118 transitions, 245 flow [2023-11-29 02:20:59,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:20:59,290 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;@5c4a40cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:20:59,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-11-29 02:20:59,298 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:20:59,298 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2023-11-29 02:20:59,298 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:20:59,298 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:20:59,299 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] [2023-11-29 02:20:59,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-29 02:20:59,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:20:59,305 INFO L85 PathProgramCache]: Analyzing trace with hash -2075610152, now seen corresponding path program 1 times [2023-11-29 02:20:59,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:20:59,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270422920] [2023-11-29 02:20:59,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:20:59,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:20:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:59,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:20:59,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:20:59,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270422920] [2023-11-29 02:20:59,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270422920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:20:59,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:20:59,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 02:20:59,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213016058] [2023-11-29 02:20:59,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:20:59,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:20:59,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:20:59,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:20:59,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:20:59,542 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 121 [2023-11-29 02:20:59,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 118 transitions, 245 flow. Second operand has 2 states, 2 states have (on average 85.0) internal successors, (170), 2 states have internal predecessors, (170), 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) [2023-11-29 02:20:59,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:20:59,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 121 [2023-11-29 02:20:59,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:20:59,783 INFO L124 PetriNetUnfolderBase]: 396/909 cut-off events. [2023-11-29 02:20:59,784 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2023-11-29 02:20:59,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1564 conditions, 909 events. 396/909 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5735 event pairs, 396 based on Foata normal form. 110/958 useless extension candidates. Maximal degree in co-relation 1536. Up to 609 conditions per place. [2023-11-29 02:20:59,797 INFO L140 encePairwiseOnDemand]: 99/121 looper letters, 14 selfloop transitions, 0 changer transitions 0/93 dead transitions. [2023-11-29 02:20:59,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 93 transitions, 223 flow [2023-11-29 02:20:59,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:20:59,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 02:20:59,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 204 transitions. [2023-11-29 02:20:59,809 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8429752066115702 [2023-11-29 02:20:59,809 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 204 transitions. [2023-11-29 02:20:59,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 204 transitions. [2023-11-29 02:20:59,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:20:59,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 204 transitions. [2023-11-29 02:20:59,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 102.0) internal successors, (204), 2 states have internal predecessors, (204), 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) [2023-11-29 02:20:59,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 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) [2023-11-29 02:20:59,820 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 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) [2023-11-29 02:20:59,822 INFO L175 Difference]: Start difference. First operand has 125 places, 118 transitions, 245 flow. Second operand 2 states and 204 transitions. [2023-11-29 02:20:59,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 93 transitions, 223 flow [2023-11-29 02:20:59,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 93 transitions, 220 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 02:20:59,830 INFO L231 Difference]: Finished difference. Result has 101 places, 93 transitions, 192 flow [2023-11-29 02:20:59,831 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=192, PETRI_PLACES=101, PETRI_TRANSITIONS=93} [2023-11-29 02:20:59,834 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -24 predicate places. [2023-11-29 02:20:59,835 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 93 transitions, 192 flow [2023-11-29 02:20:59,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 85.0) internal successors, (170), 2 states have internal predecessors, (170), 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) [2023-11-29 02:20:59,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:20:59,835 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] [2023-11-29 02:20:59,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:20:59,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-29 02:20:59,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:20:59,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1928380374, now seen corresponding path program 1 times [2023-11-29 02:20:59,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:20:59,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000253596] [2023-11-29 02:20:59,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:20:59,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:20:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:20:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:20:59,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:20:59,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000253596] [2023-11-29 02:20:59,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000253596] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:20:59,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:20:59,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:20:59,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140585216] [2023-11-29 02:20:59,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:20:59,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:20:59,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:20:59,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:20:59,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:20:59,967 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 121 [2023-11-29 02:20:59,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 93 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2023-11-29 02:20:59,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:20:59,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 121 [2023-11-29 02:20:59,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:21:00,360 INFO L124 PetriNetUnfolderBase]: 684/3148 cut-off events. [2023-11-29 02:21:00,360 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:21:00,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4217 conditions, 3148 events. 684/3148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 29348 event pairs, 252 based on Foata normal form. 0/2941 useless extension candidates. Maximal degree in co-relation 4214. Up to 624 conditions per place. [2023-11-29 02:21:00,384 INFO L140 encePairwiseOnDemand]: 119/121 looper letters, 24 selfloop transitions, 1 changer transitions 0/101 dead transitions. [2023-11-29 02:21:00,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 101 transitions, 258 flow [2023-11-29 02:21:00,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:21:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:21:00,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2023-11-29 02:21:00,387 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7410468319559229 [2023-11-29 02:21:00,387 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 269 transitions. [2023-11-29 02:21:00,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 269 transitions. [2023-11-29 02:21:00,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:21:00,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 269 transitions. [2023-11-29 02:21:00,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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) [2023-11-29 02:21:00,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2023-11-29 02:21:00,392 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2023-11-29 02:21:00,392 INFO L175 Difference]: Start difference. First operand has 101 places, 93 transitions, 192 flow. Second operand 3 states and 269 transitions. [2023-11-29 02:21:00,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 101 transitions, 258 flow [2023-11-29 02:21:00,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 101 transitions, 258 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 02:21:00,396 INFO L231 Difference]: Finished difference. Result has 102 places, 92 transitions, 192 flow [2023-11-29 02:21:00,396 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=102, PETRI_TRANSITIONS=92} [2023-11-29 02:21:00,397 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -23 predicate places. [2023-11-29 02:21:00,397 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 92 transitions, 192 flow [2023-11-29 02:21:00,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2023-11-29 02:21:00,398 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:21:00,398 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] [2023-11-29 02:21:00,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:21:00,399 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2023-11-29 02:21:00,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:21:00,399 INFO L85 PathProgramCache]: Analyzing trace with hash 883213878, now seen corresponding path program 1 times [2023-11-29 02:21:00,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:21:00,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517815513] [2023-11-29 02:21:00,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:21:00,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:21:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:21:00,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:21:00,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:21:00,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517815513] [2023-11-29 02:21:00,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517815513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:21:00,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:21:00,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:21:00,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311203382] [2023-11-29 02:21:00,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:21:00,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:21:00,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:21:00,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:21:00,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:21:00,536 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 121 [2023-11-29 02:21:00,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 92 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 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) [2023-11-29 02:21:00,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:21:00,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 121 [2023-11-29 02:21:00,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:21:00,817 INFO L124 PetriNetUnfolderBase]: 684/2518 cut-off events. [2023-11-29 02:21:00,817 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:21:00,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3589 conditions, 2518 events. 684/2518 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 21817 event pairs, 396 based on Foata normal form. 0/2396 useless extension candidates. Maximal degree in co-relation 3585. Up to 609 conditions per place. [2023-11-29 02:21:00,823 INFO L140 encePairwiseOnDemand]: 119/121 looper letters, 0 selfloop transitions, 0 changer transitions 100/100 dead transitions. [2023-11-29 02:21:00,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 100 transitions, 258 flow [2023-11-29 02:21:00,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:21:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:21:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2023-11-29 02:21:00,825 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7410468319559229 [2023-11-29 02:21:00,825 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 269 transitions. [2023-11-29 02:21:00,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 269 transitions. [2023-11-29 02:21:00,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:21:00,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 269 transitions. [2023-11-29 02:21:00,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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) [2023-11-29 02:21:00,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2023-11-29 02:21:00,830 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2023-11-29 02:21:00,830 INFO L175 Difference]: Start difference. First operand has 102 places, 92 transitions, 192 flow. Second operand 3 states and 269 transitions. [2023-11-29 02:21:00,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 100 transitions, 258 flow [2023-11-29 02:21:00,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 100 transitions, 257 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:21:00,833 INFO L231 Difference]: Finished difference. Result has 102 places, 0 transitions, 0 flow [2023-11-29 02:21:00,833 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=102, PETRI_TRANSITIONS=0} [2023-11-29 02:21:00,834 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -23 predicate places. [2023-11-29 02:21:00,834 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 0 transitions, 0 flow [2023-11-29 02:21:00,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 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) [2023-11-29 02:21:00,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2023-11-29 02:21:00,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2023-11-29 02:21:00,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2023-11-29 02:21:00,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2023-11-29 02:21:00,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2023-11-29 02:21:00,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2023-11-29 02:21:00,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2023-11-29 02:21:00,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2023-11-29 02:21:00,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2023-11-29 02:21:00,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2023-11-29 02:21:00,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2023-11-29 02:21:00,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2023-11-29 02:21:00,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2023-11-29 02:21:00,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2023-11-29 02:21:00,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2023-11-29 02:21:00,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2023-11-29 02:21:00,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2023-11-29 02:21:00,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2023-11-29 02:21:00,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2023-11-29 02:21:00,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2023-11-29 02:21:00,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2023-11-29 02:21:00,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 37 remaining) [2023-11-29 02:21:00,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 37 remaining) [2023-11-29 02:21:00,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 37 remaining) [2023-11-29 02:21:00,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2023-11-29 02:21:00,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2023-11-29 02:21:00,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2023-11-29 02:21:00,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2023-11-29 02:21:00,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2023-11-29 02:21:00,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2023-11-29 02:21:00,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2023-11-29 02:21:00,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2023-11-29 02:21:00,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2023-11-29 02:21:00,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2023-11-29 02:21:00,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2023-11-29 02:21:00,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2023-11-29 02:21:00,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2023-11-29 02:21:00,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:21:00,847 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 02:21:00,852 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 02:21:00,853 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:21:00,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:21:00 BasicIcfg [2023-11-29 02:21:00,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:21:00,858 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:21:00,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:21:00,859 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:21:00,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:20:59" (3/4) ... [2023-11-29 02:21:00,861 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:21:00,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-29 02:21:00,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-29 02:21:00,863 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-29 02:21:00,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-29 02:21:00,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 02:21:00,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 02:21:00,869 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:21:00,937 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:21:00,938 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:21:00,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:21:00,938 INFO L158 Benchmark]: Toolchain (without parser) took 2964.14ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 115.6MB in the beginning and 85.8MB in the end (delta: 29.8MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2023-11-29 02:21:00,939 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:21:00,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.97ms. Allocated memory is still 146.8MB. Free memory was 115.1MB in the beginning and 94.2MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 02:21:00,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.02ms. Allocated memory is still 146.8MB. Free memory was 94.2MB in the beginning and 92.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:21:00,940 INFO L158 Benchmark]: Boogie Preprocessor took 30.35ms. Allocated memory is still 146.8MB. Free memory was 92.1MB in the beginning and 90.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:21:00,941 INFO L158 Benchmark]: RCFGBuilder took 563.15ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 112.0MB in the end (delta: -21.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-29 02:21:00,941 INFO L158 Benchmark]: TraceAbstraction took 1765.45ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 111.3MB in the beginning and 90.0MB in the end (delta: 21.3MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. [2023-11-29 02:21:00,942 INFO L158 Benchmark]: Witness Printer took 79.46ms. Allocated memory is still 182.5MB. Free memory was 90.0MB in the beginning and 85.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:21:00,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.97ms. Allocated memory is still 146.8MB. Free memory was 115.1MB in the beginning and 94.2MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.02ms. Allocated memory is still 146.8MB. Free memory was 94.2MB in the beginning and 92.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.35ms. Allocated memory is still 146.8MB. Free memory was 92.1MB in the beginning and 90.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.15ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 112.0MB in the end (delta: -21.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1765.45ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 111.3MB in the beginning and 90.0MB in the end (delta: 21.3MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. * Witness Printer took 79.46ms. Allocated memory is still 182.5MB. Free memory was 90.0MB in the beginning and 85.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 160 locations, 37 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 02:21:00,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2806646c-8100-4957-9c54-74c727b82cf4/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE