./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu --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 9010a499ef96f31ef98b99a567d66bd11342d64ef955a852686bd9085f4ce268 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:44:30,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:30,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:44:30,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:30,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:30,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:30,495 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:30,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:30,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:44:30,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:44:30,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:30,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:30,504 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:30,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:30,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:44:30,506 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:44:30,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:44:30,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:44:30,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:30,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:44:30,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:44:30,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:44:30,509 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:44:30,509 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:44:30,510 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:44:30,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:30,510 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:30,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:30,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:30,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:44:30,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:30,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:30,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:44:30,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:44:30,515 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:44:30,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:44:30,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:44:30,517 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:44:30,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:44:30,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:44:30,517 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:44:30,519 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_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9010a499ef96f31ef98b99a567d66bd11342d64ef955a852686bd9085f4ce268 [2023-11-19 07:44:30,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:30,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:30,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:30,903 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:30,904 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:30,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2023-11-19 07:44:34,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:34,258 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:34,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2023-11-19 07:44:34,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/data/ebcb9572f/abf8ca538adf4e9a84d863e280229a46/FLAGcea20b0f8 [2023-11-19 07:44:34,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/data/ebcb9572f/abf8ca538adf4e9a84d863e280229a46 [2023-11-19 07:44:34,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:34,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:34,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:34,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:34,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:34,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19301de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34, skipping insertion in model container [2023-11-19 07:44:34,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,345 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:44:34,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:34,635 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:44:34,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:34,708 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:44:34,708 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:44:34,720 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:44:34,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34 WrapperNode [2023-11-19 07:44:34,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:34,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:34,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:44:34,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:44:34,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,784 INFO L138 Inliner]: procedures = 20, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 127 [2023-11-19 07:44:34,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:34,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:44:34,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:44:34,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:44:34,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:44:34,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:44:34,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:44:34,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:44:34,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34" (1/1) ... [2023-11-19 07:44:34,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:34,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:34,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:34,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:44:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:44:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:44:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:44:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:44:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:44:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:44:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:44:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:44:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:44:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:44:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:44:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:44:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:44:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:44:34,943 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:44:35,050 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:44:35,056 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:44:35,506 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:44:35,685 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:44:35,686 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:44:35,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:35 BoogieIcfgContainer [2023-11-19 07:44:35,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:44:35,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:44:35,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:44:35,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:44:35,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:34" (1/3) ... [2023-11-19 07:44:35,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0da424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:35, skipping insertion in model container [2023-11-19 07:44:35,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:34" (2/3) ... [2023-11-19 07:44:35,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0da424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:35, skipping insertion in model container [2023-11-19 07:44:35,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:35" (3/3) ... [2023-11-19 07:44:35,706 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2023-11-19 07:44:35,716 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:44:35,726 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:44:35,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-11-19 07:44:35,727 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:44:35,812 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:44:35,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 196 places, 199 transitions, 412 flow [2023-11-19 07:44:35,942 INFO L124 PetriNetUnfolderBase]: 10/197 cut-off events. [2023-11-19 07:44:35,946 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:44:35,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 197 events. 10/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 208 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2023-11-19 07:44:35,955 INFO L82 GeneralOperation]: Start removeDead. Operand has 196 places, 199 transitions, 412 flow [2023-11-19 07:44:35,967 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 174 places, 176 transitions, 364 flow [2023-11-19 07:44:35,971 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:44:35,986 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 176 transitions, 364 flow [2023-11-19 07:44:35,989 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 176 transitions, 364 flow [2023-11-19 07:44:35,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 176 transitions, 364 flow [2023-11-19 07:44:36,032 INFO L124 PetriNetUnfolderBase]: 9/176 cut-off events. [2023-11-19 07:44:36,032 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:44:36,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 176 events. 9/176 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 201 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2023-11-19 07:44:36,036 INFO L119 LiptonReduction]: Number of co-enabled transitions 2268 [2023-11-19 07:44:43,053 INFO L134 LiptonReduction]: Checked pairs total: 11338 [2023-11-19 07:44:43,053 INFO L136 LiptonReduction]: Total number of compositions: 222 [2023-11-19 07:44:43,070 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:44:43,077 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;@7d738689, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:44:43,077 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2023-11-19 07:44:43,079 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:44:43,079 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:44:43,080 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:44:43,080 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:43,081 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:44:43,081 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-11-19 07:44:43,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:43,087 INFO L85 PathProgramCache]: Analyzing trace with hash 859, now seen corresponding path program 1 times [2023-11-19 07:44:43,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:43,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544542448] [2023-11-19 07:44:43,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:43,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:43,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:43,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544542448] [2023-11-19 07:44:43,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544542448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:43,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:43,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:44:43,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750929435] [2023-11-19 07:44:43,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:43,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:44:43,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:43,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:44:43,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:44:43,263 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 421 [2023-11-19 07:44:43,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 54 transitions, 120 flow. Second operand has 2 states, 2 states have (on average 171.5) internal successors, (343), 2 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:43,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:43,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 421 [2023-11-19 07:44:43,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:43,367 INFO L124 PetriNetUnfolderBase]: 59/115 cut-off events. [2023-11-19 07:44:43,367 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-19 07:44:43,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 115 events. 59/115 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 357 event pairs, 39 based on Foata normal form. 1/108 useless extension candidates. Maximal degree in co-relation 191. Up to 107 conditions per place. [2023-11-19 07:44:43,372 INFO L140 encePairwiseOnDemand]: 387/421 looper letters, 13 selfloop transitions, 0 changer transitions 1/20 dead transitions. [2023-11-19 07:44:43,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 20 transitions, 80 flow [2023-11-19 07:44:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:44:43,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:44:43,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 390 transitions. [2023-11-19 07:44:43,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46318289786223277 [2023-11-19 07:44:43,390 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 390 transitions. [2023-11-19 07:44:43,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 390 transitions. [2023-11-19 07:44:43,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:43,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 390 transitions. [2023-11-19 07:44:43,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 195.0) internal successors, (390), 2 states have internal predecessors, (390), 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) [2023-11-19 07:44:43,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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) [2023-11-19 07:44:43,407 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 421.0) internal successors, (1263), 3 states have internal predecessors, (1263), 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) [2023-11-19 07:44:43,409 INFO L175 Difference]: Start difference. First operand has 57 places, 54 transitions, 120 flow. Second operand 2 states and 390 transitions. [2023-11-19 07:44:43,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 20 transitions, 80 flow [2023-11-19 07:44:43,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 20 transitions, 72 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:44:43,415 INFO L231 Difference]: Finished difference. Result has 22 places, 19 transitions, 41 flow [2023-11-19 07:44:43,417 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=421, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=41, PETRI_PLACES=22, PETRI_TRANSITIONS=19} [2023-11-19 07:44:43,420 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -35 predicate places. [2023-11-19 07:44:43,421 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 19 transitions, 41 flow [2023-11-19 07:44:43,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 171.5) internal successors, (343), 2 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:43,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:44:43,422 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:44:43,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:44:43,422 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-11-19 07:44:43,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:43,423 INFO L85 PathProgramCache]: Analyzing trace with hash 847229335, now seen corresponding path program 1 times [2023-11-19 07:44:43,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:43,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891293740] [2023-11-19 07:44:43,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:43,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:43,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:43,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:43,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891293740] [2023-11-19 07:44:43,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891293740] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:43,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:43,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:44:43,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10923949] [2023-11-19 07:44:43,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:43,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:44:43,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:43,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:44:43,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:44:43,542 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 421 [2023-11-19 07:44:43,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 19 transitions, 41 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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) [2023-11-19 07:44:43,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:44:43,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 421 [2023-11-19 07:44:43,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:44:43,590 INFO L124 PetriNetUnfolderBase]: 90/161 cut-off events. [2023-11-19 07:44:43,590 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:44:43,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 161 events. 90/161 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 504 event pairs, 66 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 325. Up to 158 conditions per place. [2023-11-19 07:44:43,591 INFO L140 encePairwiseOnDemand]: 418/421 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2023-11-19 07:44:43,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 17 transitions, 67 flow [2023-11-19 07:44:43,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:44:43,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:44:43,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 491 transitions. [2023-11-19 07:44:43,595 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.388756927949327 [2023-11-19 07:44:43,596 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 491 transitions. [2023-11-19 07:44:43,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 491 transitions. [2023-11-19 07:44:43,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:43,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 491 transitions. [2023-11-19 07:44:43,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 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) [2023-11-19 07:44:43,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 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) [2023-11-19 07:44:43,605 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 421.0) internal successors, (1684), 4 states have internal predecessors, (1684), 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) [2023-11-19 07:44:43,606 INFO L175 Difference]: Start difference. First operand has 22 places, 19 transitions, 41 flow. Second operand 3 states and 491 transitions. [2023-11-19 07:44:43,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 17 transitions, 67 flow [2023-11-19 07:44:43,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 17 transitions, 67 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:44:43,607 INFO L231 Difference]: Finished difference. Result has 21 places, 0 transitions, 0 flow [2023-11-19 07:44:43,607 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=421, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=21, PETRI_TRANSITIONS=0} [2023-11-19 07:44:43,608 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -36 predicate places. [2023-11-19 07:44:43,608 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 0 transitions, 0 flow [2023-11-19 07:44:43,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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) [2023-11-19 07:44:43,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2023-11-19 07:44:43,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2023-11-19 07:44:43,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2023-11-19 07:44:43,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2023-11-19 07:44:43,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2023-11-19 07:44:43,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2023-11-19 07:44:43,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2023-11-19 07:44:43,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2023-11-19 07:44:43,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2023-11-19 07:44:43,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2023-11-19 07:44:43,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2023-11-19 07:44:43,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2023-11-19 07:44:43,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2023-11-19 07:44:43,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2023-11-19 07:44:43,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2023-11-19 07:44:43,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2023-11-19 07:44:43,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2023-11-19 07:44:43,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2023-11-19 07:44:43,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2023-11-19 07:44:43,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2023-11-19 07:44:43,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2023-11-19 07:44:43,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2023-11-19 07:44:43,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2023-11-19 07:44:43,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2023-11-19 07:44:43,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2023-11-19 07:44:43,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2023-11-19 07:44:43,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2023-11-19 07:44:43,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2023-11-19 07:44:43,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2023-11-19 07:44:43,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2023-11-19 07:44:43,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2023-11-19 07:44:43,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2023-11-19 07:44:43,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (23 of 56 remaining) [2023-11-19 07:44:43,622 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (22 of 56 remaining) [2023-11-19 07:44:43,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 56 remaining) [2023-11-19 07:44:43,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 56 remaining) [2023-11-19 07:44:43,623 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2023-11-19 07:44:43,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2023-11-19 07:44:43,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2023-11-19 07:44:43,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2023-11-19 07:44:43,624 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2023-11-19 07:44:43,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2023-11-19 07:44:43,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2023-11-19 07:44:43,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2023-11-19 07:44:43,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2023-11-19 07:44:43,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2023-11-19 07:44:43,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2023-11-19 07:44:43,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2023-11-19 07:44:43,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2023-11-19 07:44:43,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2023-11-19 07:44:43,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2023-11-19 07:44:43,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2023-11-19 07:44:43,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2023-11-19 07:44:43,628 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2023-11-19 07:44:43,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2023-11-19 07:44:43,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2023-11-19 07:44:43,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:44:43,630 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:44:43,637 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:44:43,637 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:44:43,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:44:43 BasicIcfg [2023-11-19 07:44:43,642 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:44:43,643 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:44:43,643 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:44:43,643 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:44:43,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:35" (3/4) ... [2023-11-19 07:44:43,646 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:44:43,649 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:44:43,650 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:44:43,656 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 07:44:43,657 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:44:43,657 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:44:43,658 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:44:43,758 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:44:43,758 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:44:43,758 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:44:43,759 INFO L158 Benchmark]: Toolchain (without parser) took 9458.55ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 106.8MB in the beginning and 106.1MB in the end (delta: 701.6kB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2023-11-19 07:44:43,760 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:44:43,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.86ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 94.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:44:43,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.90ms. Allocated memory is still 153.1MB. Free memory was 94.7MB in the beginning and 93.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:44:43,761 INFO L158 Benchmark]: Boogie Preprocessor took 52.96ms. Allocated memory is still 153.1MB. Free memory was 93.2MB in the beginning and 91.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:43,761 INFO L158 Benchmark]: RCFGBuilder took 851.56ms. Allocated memory is still 153.1MB. Free memory was 91.1MB in the beginning and 109.2MB in the end (delta: -18.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 07:44:43,762 INFO L158 Benchmark]: TraceAbstraction took 7943.00ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 109.2MB in the beginning and 112.4MB in the end (delta: -3.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-11-19 07:44:43,762 INFO L158 Benchmark]: Witness Printer took 115.52ms. Allocated memory is still 197.1MB. Free memory was 112.4MB in the beginning and 106.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:44:43,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.86ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 94.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.90ms. Allocated memory is still 153.1MB. Free memory was 94.7MB in the beginning and 93.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.96ms. Allocated memory is still 153.1MB. Free memory was 93.2MB in the beginning and 91.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 851.56ms. Allocated memory is still 153.1MB. Free memory was 91.1MB in the beginning and 109.2MB in the end (delta: -18.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7943.00ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 109.2MB in the beginning and 112.4MB in the end (delta: -3.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Witness Printer took 115.52ms. Allocated memory is still 197.1MB. Free memory was 112.4MB in the beginning and 106.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.1s, 174 PlacesBefore, 57 PlacesAfterwards, 176 TransitionsBefore, 54 TransitionsAfterwards, 2268 CoEnabledTransitionPairs, 9 FixpointIterations, 141 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 7 ConcurrentYvCompositions, 5 ChoiceCompositions, 222 TotalNumberOfCompositions, 11338 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6440, independent: 6039, independent conditional: 0, independent unconditional: 6039, dependent: 401, dependent conditional: 0, dependent unconditional: 401, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1244, independent: 1215, independent conditional: 0, independent unconditional: 1215, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6440, independent: 4824, independent conditional: 0, independent unconditional: 4824, dependent: 372, dependent conditional: 0, dependent unconditional: 372, unknown: 1244, unknown conditional: 0, unknown unconditional: 1244] , Statistics on independence cache: Total cache size (in pairs): 299, Positive cache size: 276, Positive conditional cache size: 0, Positive unconditional cache size: 276, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: 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 5 procedures, 232 locations, 56 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: 7.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 0 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:44:43,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c80f92-5a43-408a-b9c3-42300383cfc0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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