./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.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_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/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_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/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_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/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 dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:48:16,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:48:16,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 10:48:17,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:48:17,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:48:17,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:48:17,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:48:17,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:48:17,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:48:17,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:48:17,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:48:17,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:48:17,052 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:48:17,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:48:17,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:48:17,055 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:48:17,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:48:17,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:48:17,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:48:17,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:48:17,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:48:17,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:48:17,059 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 10:48:17,060 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:48:17,060 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:48:17,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:48:17,061 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:48:17,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:48:17,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:48:17,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:48:17,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:17,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:48:17,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:48:17,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:48:17,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:48:17,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:48:17,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:48:17,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:48:17,068 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:48:17,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:48:17,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:48:17,069 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_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c [2023-11-26 10:48:17,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:48:17,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:48:17,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:48:17,439 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:48:17,440 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:48:17,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2023-11-26 10:48:20,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:48:21,015 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:48:21,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2023-11-26 10:48:21,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/data/0c68e5c0f/0788023a9f104c7fb2f5393a92991038/FLAG145629dbc [2023-11-26 10:48:21,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/data/0c68e5c0f/0788023a9f104c7fb2f5393a92991038 [2023-11-26 10:48:21,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:48:21,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:48:21,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:21,068 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:48:21,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:48:21,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194e7cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21, skipping insertion in model container [2023-11-26 10:48:21,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:48:21,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:21,566 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:48:21,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:21,728 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:48:21,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21 WrapperNode [2023-11-26 10:48:21,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:21,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:21,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:48:21,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:48:21,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,821 INFO L138 Inliner]: procedures = 164, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2023-11-26 10:48:21,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:21,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:48:21,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:48:21,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:48:21,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:48:21,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:48:21,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:48:21,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:48:21,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21" (1/1) ... [2023-11-26 10:48:21,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:21,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:21,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:22,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:48:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 10:48:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 10:48:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:48:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:48:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-26 10:48:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-26 10:48:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:48:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 10:48:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 10:48:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:48:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:48:22,019 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 10:48:22,172 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:48:22,174 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:48:22,411 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:48:22,482 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:48:22,482 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:48:22,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:22 BoogieIcfgContainer [2023-11-26 10:48:22,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:48:22,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:48:22,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:48:22,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:48:22,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:48:21" (1/3) ... [2023-11-26 10:48:22,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64980bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:22, skipping insertion in model container [2023-11-26 10:48:22,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:21" (2/3) ... [2023-11-26 10:48:22,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64980bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:22, skipping insertion in model container [2023-11-26 10:48:22,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:22" (3/3) ... [2023-11-26 10:48:22,495 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2023-11-26 10:48:22,506 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 10:48:22,518 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:48:22,518 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-26 10:48:22,518 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 10:48:22,581 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 10:48:22,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 97 transitions, 198 flow [2023-11-26 10:48:22,692 INFO L124 PetriNetUnfolderBase]: 3/96 cut-off events. [2023-11-26 10:48:22,692 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:48:22,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 96 events. 3/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2023-11-26 10:48:22,698 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 97 transitions, 198 flow [2023-11-26 10:48:22,704 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 96 transitions, 195 flow [2023-11-26 10:48:22,715 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:48:22,723 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;@29a919d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:48:22,723 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-26 10:48:22,743 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 10:48:22,743 INFO L124 PetriNetUnfolderBase]: 0/52 cut-off events. [2023-11-26 10:48:22,743 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:48:22,744 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:48:22,744 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] [2023-11-26 10:48:22,745 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-26 10:48:22,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:22,751 INFO L85 PathProgramCache]: Analyzing trace with hash 774993684, now seen corresponding path program 1 times [2023-11-26 10:48:22,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:22,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727692593] [2023-11-26 10:48:22,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:22,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:23,084 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 10:48:23,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:23,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727692593] [2023-11-26 10:48:23,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727692593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:23,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:23,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:23,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860798796] [2023-11-26 10:48:23,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:23,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:23,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:23,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:23,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:23,174 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 97 [2023-11-26 10:48:23,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 96 transitions, 195 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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 10:48:23,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:48:23,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 97 [2023-11-26 10:48:23,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:48:23,321 INFO L124 PetriNetUnfolderBase]: 53/375 cut-off events. [2023-11-26 10:48:23,321 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 10:48:23,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 507 conditions, 375 events. 53/375 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1987 event pairs, 27 based on Foata normal form. 17/365 useless extension candidates. Maximal degree in co-relation 468. Up to 85 conditions per place. [2023-11-26 10:48:23,328 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 19 selfloop transitions, 3 changer transitions 2/99 dead transitions. [2023-11-26 10:48:23,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 99 transitions, 249 flow [2023-11-26 10:48:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:48:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 263 transitions. [2023-11-26 10:48:23,345 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9037800687285223 [2023-11-26 10:48:23,345 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 263 transitions. [2023-11-26 10:48:23,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 263 transitions. [2023-11-26 10:48:23,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:48:23,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 263 transitions. [2023-11-26 10:48:23,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 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 10:48:23,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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 10:48:23,360 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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 10:48:23,363 INFO L175 Difference]: Start difference. First operand has 97 places, 96 transitions, 195 flow. Second operand 3 states and 263 transitions. [2023-11-26 10:48:23,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 99 transitions, 249 flow [2023-11-26 10:48:23,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 99 transitions, 248 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:48:23,372 INFO L231 Difference]: Finished difference. Result has 97 places, 93 transitions, 206 flow [2023-11-26 10:48:23,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=97, PETRI_TRANSITIONS=93} [2023-11-26 10:48:23,378 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, 0 predicate places. [2023-11-26 10:48:23,378 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 93 transitions, 206 flow [2023-11-26 10:48:23,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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 10:48:23,379 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:48:23,379 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] [2023-11-26 10:48:23,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:48:23,380 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-26 10:48:23,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:23,381 INFO L85 PathProgramCache]: Analyzing trace with hash 374066020, now seen corresponding path program 1 times [2023-11-26 10:48:23,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:23,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853984135] [2023-11-26 10:48:23,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:23,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:23,536 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 10:48:23,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:23,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853984135] [2023-11-26 10:48:23,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853984135] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:23,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:23,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:23,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183319730] [2023-11-26 10:48:23,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:23,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:23,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:23,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:23,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:23,611 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 97 [2023-11-26 10:48:23,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 93 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 10:48:23,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:48:23,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 97 [2023-11-26 10:48:23,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:48:23,744 INFO L124 PetriNetUnfolderBase]: 91/439 cut-off events. [2023-11-26 10:48:23,744 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2023-11-26 10:48:23,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 439 events. 91/439 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2501 event pairs, 57 based on Foata normal form. 0/406 useless extension candidates. Maximal degree in co-relation 658. Up to 164 conditions per place. [2023-11-26 10:48:23,749 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 21 selfloop transitions, 6 changer transitions 3/103 dead transitions. [2023-11-26 10:48:23,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 103 transitions, 288 flow [2023-11-26 10:48:23,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:23,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:48:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2023-11-26 10:48:23,752 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8831615120274914 [2023-11-26 10:48:23,753 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 257 transitions. [2023-11-26 10:48:23,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 257 transitions. [2023-11-26 10:48:23,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:48:23,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 257 transitions. [2023-11-26 10:48:23,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 10:48:23,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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 10:48:23,758 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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 10:48:23,758 INFO L175 Difference]: Start difference. First operand has 97 places, 93 transitions, 206 flow. Second operand 3 states and 257 transitions. [2023-11-26 10:48:23,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 103 transitions, 288 flow [2023-11-26 10:48:23,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 103 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:48:23,766 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 240 flow [2023-11-26 10:48:23,767 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2023-11-26 10:48:23,768 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, 2 predicate places. [2023-11-26 10:48:23,769 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 240 flow [2023-11-26 10:48:23,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 10:48:23,769 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:48:23,770 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] [2023-11-26 10:48:23,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:48:23,771 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-26 10:48:23,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:23,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1739956242, now seen corresponding path program 1 times [2023-11-26 10:48:23,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:23,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041778266] [2023-11-26 10:48:23,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:23,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:23,924 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 10:48:23,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:23,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041778266] [2023-11-26 10:48:23,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041778266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:23,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:23,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:23,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256012796] [2023-11-26 10:48:23,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:23,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:23,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:23,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:23,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:23,964 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 97 [2023-11-26 10:48:23,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 10:48:23,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:48:23,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 97 [2023-11-26 10:48:23,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:48:24,081 INFO L124 PetriNetUnfolderBase]: 88/465 cut-off events. [2023-11-26 10:48:24,082 INFO L125 PetriNetUnfolderBase]: For 157/160 co-relation queries the response was YES. [2023-11-26 10:48:24,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 465 events. 88/465 cut-off events. For 157/160 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2584 event pairs, 57 based on Foata normal form. 0/441 useless extension candidates. Maximal degree in co-relation 785. Up to 180 conditions per place. [2023-11-26 10:48:24,088 INFO L140 encePairwiseOnDemand]: 92/97 looper letters, 23 selfloop transitions, 5 changer transitions 4/103 dead transitions. [2023-11-26 10:48:24,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 103 transitions, 320 flow [2023-11-26 10:48:24,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:48:24,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions. [2023-11-26 10:48:24,091 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8591065292096219 [2023-11-26 10:48:24,091 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 250 transitions. [2023-11-26 10:48:24,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 250 transitions. [2023-11-26 10:48:24,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:48:24,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 250 transitions. [2023-11-26 10:48:24,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-11-26 10:48:24,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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 10:48:24,098 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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 10:48:24,098 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 240 flow. Second operand 3 states and 250 transitions. [2023-11-26 10:48:24,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 103 transitions, 320 flow [2023-11-26 10:48:24,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 103 transitions, 306 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:48:24,108 INFO L231 Difference]: Finished difference. Result has 101 places, 97 transitions, 258 flow [2023-11-26 10:48:24,108 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=101, PETRI_TRANSITIONS=97} [2023-11-26 10:48:24,110 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, 4 predicate places. [2023-11-26 10:48:24,110 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 97 transitions, 258 flow [2023-11-26 10:48:24,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 10:48:24,112 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:48:24,113 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] [2023-11-26 10:48:24,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:48:24,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-26 10:48:24,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:24,115 INFO L85 PathProgramCache]: Analyzing trace with hash -643196912, now seen corresponding path program 1 times [2023-11-26 10:48:24,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:24,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711238964] [2023-11-26 10:48:24,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:24,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:24,488 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 10:48:24,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:24,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711238964] [2023-11-26 10:48:24,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711238964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:24,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:24,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:48:24,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246551940] [2023-11-26 10:48:24,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:24,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:48:24,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:24,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:48:24,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:24,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 97 [2023-11-26 10:48:24,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 97 transitions, 258 flow. Second operand has 5 states, 5 states have (on average 82.4) internal successors, (412), 5 states have internal predecessors, (412), 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 10:48:24,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:48:24,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 97 [2023-11-26 10:48:24,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:48:24,643 INFO L124 PetriNetUnfolderBase]: 2/140 cut-off events. [2023-11-26 10:48:24,643 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-26 10:48:24,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 140 events. 2/140 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 221 event pairs, 0 based on Foata normal form. 8/144 useless extension candidates. Maximal degree in co-relation 154. Up to 16 conditions per place. [2023-11-26 10:48:24,645 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 0 selfloop transitions, 0 changer transitions 89/89 dead transitions. [2023-11-26 10:48:24,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 89 transitions, 238 flow [2023-11-26 10:48:24,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:24,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 10:48:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 420 transitions. [2023-11-26 10:48:24,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.865979381443299 [2023-11-26 10:48:24,650 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 420 transitions. [2023-11-26 10:48:24,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 420 transitions. [2023-11-26 10:48:24,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:48:24,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 420 transitions. [2023-11-26 10:48:24,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 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 10:48:24,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 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 10:48:24,656 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 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 10:48:24,656 INFO L175 Difference]: Start difference. First operand has 101 places, 97 transitions, 258 flow. Second operand 5 states and 420 transitions. [2023-11-26 10:48:24,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 89 transitions, 238 flow [2023-11-26 10:48:24,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 89 transitions, 212 flow, removed 6 selfloop flow, removed 6 redundant places. [2023-11-26 10:48:24,661 INFO L231 Difference]: Finished difference. Result has 96 places, 0 transitions, 0 flow [2023-11-26 10:48:24,662 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=96, PETRI_TRANSITIONS=0} [2023-11-26 10:48:24,664 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -1 predicate places. [2023-11-26 10:48:24,664 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 0 transitions, 0 flow [2023-11-26 10:48:24,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 82.4) internal successors, (412), 5 states have internal predecessors, (412), 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 10:48:24,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2023-11-26 10:48:24,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2023-11-26 10:48:24,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-11-26 10:48:24,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2023-11-26 10:48:24,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2023-11-26 10:48:24,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:48:24,673 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 10:48:24,682 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 10:48:24,682 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:48:24,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:48:24 BasicIcfg [2023-11-26 10:48:24,692 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:48:24,696 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:48:24,696 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:48:24,696 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:48:24,697 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:22" (3/4) ... [2023-11-26 10:48:24,699 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:48:24,703 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-26 10:48:24,709 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-26 10:48:24,710 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:48:24,710 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 10:48:24,710 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:48:24,820 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:48:24,821 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:48:24,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:48:24,823 INFO L158 Benchmark]: Toolchain (without parser) took 3756.16ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 81.9MB in the beginning and 111.7MB in the end (delta: -29.8MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-11-26 10:48:24,824 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:48:24,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.26ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 81.9MB in the beginning and 130.1MB in the end (delta: -48.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-26 10:48:24,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.57ms. Allocated memory is still 163.6MB. Free memory was 130.1MB in the beginning and 133.5MB in the end (delta: -3.4MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-11-26 10:48:24,830 INFO L158 Benchmark]: Boogie Preprocessor took 64.34ms. Allocated memory is still 163.6MB. Free memory was 133.5MB in the beginning and 131.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:48:24,831 INFO L158 Benchmark]: RCFGBuilder took 597.04ms. Allocated memory is still 163.6MB. Free memory was 131.4MB in the beginning and 114.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 10:48:24,833 INFO L158 Benchmark]: TraceAbstraction took 2204.79ms. Allocated memory is still 163.6MB. Free memory was 114.6MB in the beginning and 117.0MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:48:24,834 INFO L158 Benchmark]: Witness Printer took 126.14ms. Allocated memory is still 163.6MB. Free memory was 115.9MB in the beginning and 111.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:48:24,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.26ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 81.9MB in the beginning and 130.1MB in the end (delta: -48.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.57ms. Allocated memory is still 163.6MB. Free memory was 130.1MB in the beginning and 133.5MB in the end (delta: -3.4MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.34ms. Allocated memory is still 163.6MB. Free memory was 133.5MB in the beginning and 131.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.04ms. Allocated memory is still 163.6MB. Free memory was 131.4MB in the beginning and 114.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2204.79ms. Allocated memory is still 163.6MB. Free memory was 114.6MB in the beginning and 117.0MB in the end (delta: -2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 126.14ms. Allocated memory is still 163.6MB. Free memory was 115.9MB in the beginning and 111.7MB 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: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: 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 3 procedures, 114 locations, 5 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: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 17 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 0.7s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 331 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 10:48:24,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7dac2af-1110-4dc7-b270-a6dbbc14ba07/bin/uautomizer-verify-VRDe98Ueme/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