./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 0e7e1d85f63f5db62c0766d87dec12398108cf8053838b2df867ce8148d55e54 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:53:58,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:53:58,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:53:58,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:53:58,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:53:58,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:53:58,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:53:58,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:53:58,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:53:58,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:53:58,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:53:58,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:53:58,822 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:53:58,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:53:58,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:53:58,824 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:53:58,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:53:58,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:53:58,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:53:58,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:53:58,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:53:58,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:53:58,828 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:53:58,829 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:53:58,829 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:53:58,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:53:58,831 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:53:58,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:53:58,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:53:58,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:53:58,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:58,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:53:58,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:53:58,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:53:58,835 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:53:58,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:53:58,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:53:58,836 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:53:58,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:53:58,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:53:58,837 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:53:58,837 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_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e7e1d85f63f5db62c0766d87dec12398108cf8053838b2df867ce8148d55e54 [2023-11-06 22:53:59,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:53:59,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:53:59,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:53:59,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:53:59,248 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:53:59,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c [2023-11-06 22:54:02,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:54:02,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:54:02,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c [2023-11-06 22:54:02,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/data/210828dbb/b480ab3d000649f3baf6dea929cd6a52/FLAG6ec027122 [2023-11-06 22:54:02,693 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/data/210828dbb/b480ab3d000649f3baf6dea929cd6a52 [2023-11-06 22:54:02,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:54:02,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:54:02,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:02,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:54:02,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:54:02,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:02" (1/1) ... [2023-11-06 22:54:02,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336abc01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:02, skipping insertion in model container [2023-11-06 22:54:02,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:02" (1/1) ... [2023-11-06 22:54:02,772 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:54:03,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:03,053 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:54:03,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:03,101 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:54:03,101 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:54:03,108 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:54:03,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03 WrapperNode [2023-11-06 22:54:03,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:03,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:03,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:54:03,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:54:03,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,170 INFO L138 Inliner]: procedures = 25, calls = 54, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 222 [2023-11-06 22:54:03,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:03,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:54:03,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:54:03,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:54:03,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,227 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:54:03,228 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:54:03,228 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:54:03,228 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:54:03,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:03,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:03,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:03,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:54:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:54:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:54:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:54:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:54:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:54:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:54:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:54:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:54:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 22:54:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 22:54:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:54:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:54:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:54:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:54:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:54:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:54:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:54:03,311 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:54:03,444 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:54:03,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:54:04,135 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:54:04,470 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:54:04,470 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:54:04,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:04 BoogieIcfgContainer [2023-11-06 22:54:04,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:54:04,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:54:04,480 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:54:04,483 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:54:04,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:54:02" (1/3) ... [2023-11-06 22:54:04,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd068e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:04, skipping insertion in model container [2023-11-06 22:54:04,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03" (2/3) ... [2023-11-06 22:54:04,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd068e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:04, skipping insertion in model container [2023-11-06 22:54:04,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:04" (3/3) ... [2023-11-06 22:54:04,492 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2023-11-06 22:54:04,501 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:54:04,513 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:54:04,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 53 error locations. [2023-11-06 22:54:04,513 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:54:04,643 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 22:54:04,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 330 places, 335 transitions, 691 flow [2023-11-06 22:54:04,900 INFO L124 PetriNetUnfolderBase]: 15/332 cut-off events. [2023-11-06 22:54:04,901 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:54:04,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 332 events. 15/332 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 477 event pairs, 0 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 273. Up to 2 conditions per place. [2023-11-06 22:54:04,910 INFO L82 GeneralOperation]: Start removeDead. Operand has 330 places, 335 transitions, 691 flow [2023-11-06 22:54:04,924 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 305 places, 309 transitions, 636 flow [2023-11-06 22:54:04,928 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:54:04,944 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 305 places, 309 transitions, 636 flow [2023-11-06 22:54:04,948 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 305 places, 309 transitions, 636 flow [2023-11-06 22:54:04,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 305 places, 309 transitions, 636 flow [2023-11-06 22:54:05,021 INFO L124 PetriNetUnfolderBase]: 14/309 cut-off events. [2023-11-06 22:54:05,022 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 22:54:05,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 309 events. 14/309 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 473 event pairs, 0 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 273. Up to 2 conditions per place. [2023-11-06 22:54:05,030 INFO L119 LiptonReduction]: Number of co-enabled transitions 5184 [2023-11-06 22:54:20,976 INFO L134 LiptonReduction]: Checked pairs total: 35343 [2023-11-06 22:54:20,977 INFO L136 LiptonReduction]: Total number of compositions: 348 [2023-11-06 22:54:20,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:54:21,003 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=LoopsAndPotentialCycles, 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;@667a09e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:54:21,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 85 error locations. [2023-11-06 22:54:21,006 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:54:21,006 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:54:21,006 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:54:21,007 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:21,007 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:54:21,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-11-06 22:54:21,014 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:21,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1453, now seen corresponding path program 1 times [2023-11-06 22:54:21,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:21,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769193531] [2023-11-06 22:54:21,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:21,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:21,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:21,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769193531] [2023-11-06 22:54:21,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769193531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:21,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:21,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:54:21,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613633458] [2023-11-06 22:54:21,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:21,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:54:21,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:21,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:54:21,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:54:21,212 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 683 [2023-11-06 22:54:21,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 90 transitions, 198 flow. Second operand has 2 states, 2 states have (on average 286.5) internal successors, (573), 2 states have internal predecessors, (573), 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) [2023-11-06 22:54:21,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:21,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 683 [2023-11-06 22:54:21,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:21,446 INFO L124 PetriNetUnfolderBase]: 228/505 cut-off events. [2023-11-06 22:54:21,447 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2023-11-06 22:54:21,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 918 conditions, 505 events. 228/505 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2271 event pairs, 173 based on Foata normal form. 55/501 useless extension candidates. Maximal degree in co-relation 758. Up to 356 conditions per place. [2023-11-06 22:54:21,457 INFO L140 encePairwiseOnDemand]: 632/683 looper letters, 20 selfloop transitions, 0 changer transitions 3/39 dead transitions. [2023-11-06 22:54:21,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 39 transitions, 142 flow [2023-11-06 22:54:21,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:54:21,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:54:21,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 646 transitions. [2023-11-06 22:54:21,484 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47291361639824303 [2023-11-06 22:54:21,485 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 646 transitions. [2023-11-06 22:54:21,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 646 transitions. [2023-11-06 22:54:21,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:21,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 646 transitions. [2023-11-06 22:54:21,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 323.0) internal successors, (646), 2 states have internal predecessors, (646), 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) [2023-11-06 22:54:21,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 683.0) internal successors, (2049), 3 states have internal predecessors, (2049), 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) [2023-11-06 22:54:21,510 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 683.0) internal successors, (2049), 3 states have internal predecessors, (2049), 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) [2023-11-06 22:54:21,513 INFO L175 Difference]: Start difference. First operand has 95 places, 90 transitions, 198 flow. Second operand 2 states and 646 transitions. [2023-11-06 22:54:21,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 39 transitions, 142 flow [2023-11-06 22:54:21,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 39 transitions, 130 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:54:21,522 INFO L231 Difference]: Finished difference. Result has 41 places, 36 transitions, 76 flow [2023-11-06 22:54:21,524 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=76, PETRI_PLACES=41, PETRI_TRANSITIONS=36} [2023-11-06 22:54:21,529 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -54 predicate places. [2023-11-06 22:54:21,530 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 36 transitions, 76 flow [2023-11-06 22:54:21,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 286.5) internal successors, (573), 2 states have internal predecessors, (573), 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) [2023-11-06 22:54:21,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:21,531 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:21,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:54:21,533 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-11-06 22:54:21,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:21,546 INFO L85 PathProgramCache]: Analyzing trace with hash -24238284, now seen corresponding path program 1 times [2023-11-06 22:54:21,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:21,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567851893] [2023-11-06 22:54:21,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:21,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:21,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:21,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:21,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567851893] [2023-11-06 22:54:21,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567851893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:21,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:21,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:54:21,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788499791] [2023-11-06 22:54:21,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:21,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:54:21,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:21,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:54:21,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:54:21,766 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 683 [2023-11-06 22:54:21,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 275.3333333333333) internal successors, (826), 3 states have internal predecessors, (826), 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) [2023-11-06 22:54:21,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:21,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 683 [2023-11-06 22:54:21,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:21,960 INFO L124 PetriNetUnfolderBase]: 482/916 cut-off events. [2023-11-06 22:54:21,960 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-06 22:54:21,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1698 conditions, 916 events. 482/916 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4139 event pairs, 403 based on Foata normal form. 0/793 useless extension candidates. Maximal degree in co-relation 1695. Up to 736 conditions per place. [2023-11-06 22:54:21,971 INFO L140 encePairwiseOnDemand]: 680/683 looper letters, 23 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2023-11-06 22:54:21,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 34 transitions, 120 flow [2023-11-06 22:54:21,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:54:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:54:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 845 transitions. [2023-11-06 22:54:21,981 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41239629087359686 [2023-11-06 22:54:21,982 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 845 transitions. [2023-11-06 22:54:21,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 845 transitions. [2023-11-06 22:54:21,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:21,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 845 transitions. [2023-11-06 22:54:21,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 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) [2023-11-06 22:54:21,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 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) [2023-11-06 22:54:22,003 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 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) [2023-11-06 22:54:22,003 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 76 flow. Second operand 3 states and 845 transitions. [2023-11-06 22:54:22,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 34 transitions, 120 flow [2023-11-06 22:54:22,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 34 transitions, 120 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:54:22,010 INFO L231 Difference]: Finished difference. Result has 38 places, 34 transitions, 74 flow [2023-11-06 22:54:22,017 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=38, PETRI_TRANSITIONS=34} [2023-11-06 22:54:22,018 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -57 predicate places. [2023-11-06 22:54:22,018 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 74 flow [2023-11-06 22:54:22,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 275.3333333333333) internal successors, (826), 3 states have internal predecessors, (826), 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) [2023-11-06 22:54:22,020 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:22,020 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:22,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:54:22,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-11-06 22:54:22,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:22,021 INFO L85 PathProgramCache]: Analyzing trace with hash -686724488, now seen corresponding path program 1 times [2023-11-06 22:54:22,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:22,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449431681] [2023-11-06 22:54:22,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:22,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:22,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:22,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449431681] [2023-11-06 22:54:22,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449431681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:22,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:22,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:54:22,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842413403] [2023-11-06 22:54:22,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:22,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:54:22,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:22,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:54:22,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:54:22,345 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 683 [2023-11-06 22:54:22,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 34 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 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) [2023-11-06 22:54:22,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:22,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 683 [2023-11-06 22:54:22,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:22,510 INFO L124 PetriNetUnfolderBase]: 226/489 cut-off events. [2023-11-06 22:54:22,510 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 22:54:22,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 864 conditions, 489 events. 226/489 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2148 event pairs, 171 based on Foata normal form. 0/440 useless extension candidates. Maximal degree in co-relation 860. Up to 349 conditions per place. [2023-11-06 22:54:22,515 INFO L140 encePairwiseOnDemand]: 680/683 looper letters, 19 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2023-11-06 22:54:22,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 35 transitions, 118 flow [2023-11-06 22:54:22,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:54:22,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:54:22,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 862 transitions. [2023-11-06 22:54:22,520 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42069302098584677 [2023-11-06 22:54:22,521 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 862 transitions. [2023-11-06 22:54:22,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 862 transitions. [2023-11-06 22:54:22,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:22,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 862 transitions. [2023-11-06 22:54:22,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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) [2023-11-06 22:54:22,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 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) [2023-11-06 22:54:22,534 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 683.0) internal successors, (2732), 4 states have internal predecessors, (2732), 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) [2023-11-06 22:54:22,534 INFO L175 Difference]: Start difference. First operand has 38 places, 34 transitions, 74 flow. Second operand 3 states and 862 transitions. [2023-11-06 22:54:22,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 35 transitions, 118 flow [2023-11-06 22:54:22,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 35 transitions, 117 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:54:22,536 INFO L231 Difference]: Finished difference. Result has 40 places, 35 transitions, 85 flow [2023-11-06 22:54:22,537 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=40, PETRI_TRANSITIONS=35} [2023-11-06 22:54:22,538 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -55 predicate places. [2023-11-06 22:54:22,538 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 35 transitions, 85 flow [2023-11-06 22:54:22,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 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) [2023-11-06 22:54:22,539 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:22,539 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:22,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:54:22,540 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-11-06 22:54:22,540 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:22,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1766949447, now seen corresponding path program 1 times [2023-11-06 22:54:22,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:22,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345057100] [2023-11-06 22:54:22,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:22,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:54:23,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:23,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345057100] [2023-11-06 22:54:23,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345057100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:23,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:23,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:54:23,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893585577] [2023-11-06 22:54:23,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:23,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:54:23,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:23,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:54:23,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:54:23,403 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 683 [2023-11-06 22:54:23,406 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 35 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 274.1666666666667) internal successors, (1645), 6 states have internal predecessors, (1645), 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) [2023-11-06 22:54:23,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:23,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 683 [2023-11-06 22:54:23,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:23,944 INFO L124 PetriNetUnfolderBase]: 546/857 cut-off events. [2023-11-06 22:54:23,944 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:54:23,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1686 conditions, 857 events. 546/857 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3195 event pairs, 87 based on Foata normal form. 0/832 useless extension candidates. Maximal degree in co-relation 1681. Up to 264 conditions per place. [2023-11-06 22:54:23,952 INFO L140 encePairwiseOnDemand]: 678/683 looper letters, 57 selfloop transitions, 4 changer transitions 0/70 dead transitions. [2023-11-06 22:54:23,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 70 transitions, 277 flow [2023-11-06 22:54:23,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:23,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:54:23,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1693 transitions. [2023-11-06 22:54:23,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.413128355295266 [2023-11-06 22:54:23,960 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1693 transitions. [2023-11-06 22:54:23,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1693 transitions. [2023-11-06 22:54:23,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:23,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1693 transitions. [2023-11-06 22:54:23,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 282.1666666666667) internal successors, (1693), 6 states have internal predecessors, (1693), 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) [2023-11-06 22:54:23,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 683.0) internal successors, (4781), 7 states have internal predecessors, (4781), 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) [2023-11-06 22:54:23,982 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 683.0) internal successors, (4781), 7 states have internal predecessors, (4781), 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) [2023-11-06 22:54:23,982 INFO L175 Difference]: Start difference. First operand has 40 places, 35 transitions, 85 flow. Second operand 6 states and 1693 transitions. [2023-11-06 22:54:23,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 70 transitions, 277 flow [2023-11-06 22:54:23,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 70 transitions, 273 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 22:54:23,987 INFO L231 Difference]: Finished difference. Result has 43 places, 34 transitions, 87 flow [2023-11-06 22:54:23,987 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=87, PETRI_PLACES=43, PETRI_TRANSITIONS=34} [2023-11-06 22:54:23,989 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -52 predicate places. [2023-11-06 22:54:23,990 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 87 flow [2023-11-06 22:54:23,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 274.1666666666667) internal successors, (1645), 6 states have internal predecessors, (1645), 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) [2023-11-06 22:54:23,991 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:23,992 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] [2023-11-06 22:54:23,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:54:23,992 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-11-06 22:54:23,992 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:23,993 INFO L85 PathProgramCache]: Analyzing trace with hash 943274951, now seen corresponding path program 1 times [2023-11-06 22:54:23,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:23,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586557884] [2023-11-06 22:54:23,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:23,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:54:24,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:24,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586557884] [2023-11-06 22:54:24,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586557884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:24,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:24,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:54:24,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435065117] [2023-11-06 22:54:24,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:24,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:54:24,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:24,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:24,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:24,184 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 683 [2023-11-06 22:54:24,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 87 flow. Second operand has 4 states, 4 states have (on average 283.5) internal successors, (1134), 4 states have internal predecessors, (1134), 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) [2023-11-06 22:54:24,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:24,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 683 [2023-11-06 22:54:24,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:24,365 INFO L124 PetriNetUnfolderBase]: 276/665 cut-off events. [2023-11-06 22:54:24,365 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-06 22:54:24,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1261 conditions, 665 events. 276/665 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3455 event pairs, 171 based on Foata normal form. 26/661 useless extension candidates. Maximal degree in co-relation 1256. Up to 349 conditions per place. [2023-11-06 22:54:24,371 INFO L140 encePairwiseOnDemand]: 679/683 looper letters, 29 selfloop transitions, 3 changer transitions 0/45 dead transitions. [2023-11-06 22:54:24,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 45 transitions, 177 flow [2023-11-06 22:54:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:54:24,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:54:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1152 transitions. [2023-11-06 22:54:24,378 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4216691068814056 [2023-11-06 22:54:24,378 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1152 transitions. [2023-11-06 22:54:24,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1152 transitions. [2023-11-06 22:54:24,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:24,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1152 transitions. [2023-11-06 22:54:24,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 288.0) internal successors, (1152), 4 states have internal predecessors, (1152), 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) [2023-11-06 22:54:24,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 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) [2023-11-06 22:54:24,395 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 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) [2023-11-06 22:54:24,395 INFO L175 Difference]: Start difference. First operand has 43 places, 34 transitions, 87 flow. Second operand 4 states and 1152 transitions. [2023-11-06 22:54:24,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 45 transitions, 177 flow [2023-11-06 22:54:24,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 45 transitions, 168 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:54:24,399 INFO L231 Difference]: Finished difference. Result has 43 places, 35 transitions, 94 flow [2023-11-06 22:54:24,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=94, PETRI_PLACES=43, PETRI_TRANSITIONS=35} [2023-11-06 22:54:24,400 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -52 predicate places. [2023-11-06 22:54:24,400 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 35 transitions, 94 flow [2023-11-06 22:54:24,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 283.5) internal successors, (1134), 4 states have internal predecessors, (1134), 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) [2023-11-06 22:54:24,402 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:24,402 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:24,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:54:24,402 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 81 more)] === [2023-11-06 22:54:24,403 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:24,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1952892300, now seen corresponding path program 1 times [2023-11-06 22:54:24,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:24,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139034466] [2023-11-06 22:54:24,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:24,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:54:24,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:24,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139034466] [2023-11-06 22:54:24,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139034466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:24,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:24,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:54:24,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399903912] [2023-11-06 22:54:24,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:24,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:54:24,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:24,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:54:24,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:54:25,184 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 683 [2023-11-06 22:54:25,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 35 transitions, 94 flow. Second operand has 6 states, 6 states have (on average 275.1666666666667) internal successors, (1651), 6 states have internal predecessors, (1651), 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) [2023-11-06 22:54:25,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:25,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 683 [2023-11-06 22:54:25,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:25,455 INFO L124 PetriNetUnfolderBase]: 324/613 cut-off events. [2023-11-06 22:54:25,456 INFO L125 PetriNetUnfolderBase]: For 162/162 co-relation queries the response was YES. [2023-11-06 22:54:25,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1305 conditions, 613 events. 324/613 cut-off events. For 162/162 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2648 event pairs, 205 based on Foata normal form. 0/581 useless extension candidates. Maximal degree in co-relation 1299. Up to 406 conditions per place. [2023-11-06 22:54:25,458 INFO L140 encePairwiseOnDemand]: 678/683 looper letters, 0 selfloop transitions, 0 changer transitions 54/54 dead transitions. [2023-11-06 22:54:25,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 54 transitions, 224 flow [2023-11-06 22:54:25,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:25,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:54:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1677 transitions. [2023-11-06 22:54:25,466 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40922401171303074 [2023-11-06 22:54:25,466 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1677 transitions. [2023-11-06 22:54:25,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1677 transitions. [2023-11-06 22:54:25,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:25,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1677 transitions. [2023-11-06 22:54:25,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 279.5) internal successors, (1677), 6 states have internal predecessors, (1677), 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) [2023-11-06 22:54:25,482 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 683.0) internal successors, (4781), 7 states have internal predecessors, (4781), 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) [2023-11-06 22:54:25,484 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 683.0) internal successors, (4781), 7 states have internal predecessors, (4781), 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) [2023-11-06 22:54:25,484 INFO L175 Difference]: Start difference. First operand has 43 places, 35 transitions, 94 flow. Second operand 6 states and 1677 transitions. [2023-11-06 22:54:25,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 54 transitions, 224 flow [2023-11-06 22:54:25,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 54 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:54:25,487 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow [2023-11-06 22:54:25,487 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0} [2023-11-06 22:54:25,490 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -50 predicate places. [2023-11-06 22:54:25,494 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow [2023-11-06 22:54:25,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 275.1666666666667) internal successors, (1651), 6 states have internal predecessors, (1651), 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) [2023-11-06 22:54:25,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (84 of 85 remaining) [2023-11-06 22:54:25,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (83 of 85 remaining) [2023-11-06 22:54:25,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (82 of 85 remaining) [2023-11-06 22:54:25,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (81 of 85 remaining) [2023-11-06 22:54:25,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (80 of 85 remaining) [2023-11-06 22:54:25,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (79 of 85 remaining) [2023-11-06 22:54:25,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (78 of 85 remaining) [2023-11-06 22:54:25,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (77 of 85 remaining) [2023-11-06 22:54:25,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (76 of 85 remaining) [2023-11-06 22:54:25,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (75 of 85 remaining) [2023-11-06 22:54:25,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (74 of 85 remaining) [2023-11-06 22:54:25,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (73 of 85 remaining) [2023-11-06 22:54:25,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (72 of 85 remaining) [2023-11-06 22:54:25,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (71 of 85 remaining) [2023-11-06 22:54:25,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (70 of 85 remaining) [2023-11-06 22:54:25,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (69 of 85 remaining) [2023-11-06 22:54:25,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (68 of 85 remaining) [2023-11-06 22:54:25,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (67 of 85 remaining) [2023-11-06 22:54:25,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (66 of 85 remaining) [2023-11-06 22:54:25,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 85 remaining) [2023-11-06 22:54:25,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (64 of 85 remaining) [2023-11-06 22:54:25,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (63 of 85 remaining) [2023-11-06 22:54:25,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 85 remaining) [2023-11-06 22:54:25,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (61 of 85 remaining) [2023-11-06 22:54:25,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (60 of 85 remaining) [2023-11-06 22:54:25,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (59 of 85 remaining) [2023-11-06 22:54:25,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (58 of 85 remaining) [2023-11-06 22:54:25,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (57 of 85 remaining) [2023-11-06 22:54:25,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (56 of 85 remaining) [2023-11-06 22:54:25,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 85 remaining) [2023-11-06 22:54:25,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 85 remaining) [2023-11-06 22:54:25,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 85 remaining) [2023-11-06 22:54:25,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (52 of 85 remaining) [2023-11-06 22:54:25,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (51 of 85 remaining) [2023-11-06 22:54:25,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (50 of 85 remaining) [2023-11-06 22:54:25,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 85 remaining) [2023-11-06 22:54:25,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 85 remaining) [2023-11-06 22:54:25,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (47 of 85 remaining) [2023-11-06 22:54:25,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (46 of 85 remaining) [2023-11-06 22:54:25,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (45 of 85 remaining) [2023-11-06 22:54:25,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (44 of 85 remaining) [2023-11-06 22:54:25,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (43 of 85 remaining) [2023-11-06 22:54:25,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (42 of 85 remaining) [2023-11-06 22:54:25,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (41 of 85 remaining) [2023-11-06 22:54:25,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (40 of 85 remaining) [2023-11-06 22:54:25,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (39 of 85 remaining) [2023-11-06 22:54:25,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (38 of 85 remaining) [2023-11-06 22:54:25,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (37 of 85 remaining) [2023-11-06 22:54:25,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (36 of 85 remaining) [2023-11-06 22:54:25,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (35 of 85 remaining) [2023-11-06 22:54:25,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (34 of 85 remaining) [2023-11-06 22:54:25,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (33 of 85 remaining) [2023-11-06 22:54:25,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (32 of 85 remaining) [2023-11-06 22:54:25,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 85 remaining) [2023-11-06 22:54:25,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 85 remaining) [2023-11-06 22:54:25,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 85 remaining) [2023-11-06 22:54:25,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 85 remaining) [2023-11-06 22:54:25,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (27 of 85 remaining) [2023-11-06 22:54:25,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 85 remaining) [2023-11-06 22:54:25,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 85 remaining) [2023-11-06 22:54:25,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 85 remaining) [2023-11-06 22:54:25,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 85 remaining) [2023-11-06 22:54:25,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (22 of 85 remaining) [2023-11-06 22:54:25,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (21 of 85 remaining) [2023-11-06 22:54:25,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 85 remaining) [2023-11-06 22:54:25,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 85 remaining) [2023-11-06 22:54:25,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 85 remaining) [2023-11-06 22:54:25,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (17 of 85 remaining) [2023-11-06 22:54:25,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (16 of 85 remaining) [2023-11-06 22:54:25,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (15 of 85 remaining) [2023-11-06 22:54:25,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (14 of 85 remaining) [2023-11-06 22:54:25,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (13 of 85 remaining) [2023-11-06 22:54:25,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 85 remaining) [2023-11-06 22:54:25,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 85 remaining) [2023-11-06 22:54:25,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 85 remaining) [2023-11-06 22:54:25,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 85 remaining) [2023-11-06 22:54:25,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (8 of 85 remaining) [2023-11-06 22:54:25,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (7 of 85 remaining) [2023-11-06 22:54:25,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 85 remaining) [2023-11-06 22:54:25,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (5 of 85 remaining) [2023-11-06 22:54:25,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (4 of 85 remaining) [2023-11-06 22:54:25,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 85 remaining) [2023-11-06 22:54:25,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 85 remaining) [2023-11-06 22:54:25,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (1 of 85 remaining) [2023-11-06 22:54:25,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 85 remaining) [2023-11-06 22:54:25,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:54:25,518 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:54:25,525 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:54:25,525 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:54:25,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:54:25 BasicIcfg [2023-11-06 22:54:25,530 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:54:25,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:54:25,530 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:54:25,530 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:54:25,531 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:04" (3/4) ... [2023-11-06 22:54:25,532 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:54:25,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:54:25,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 22:54:25,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 22:54:25,544 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-06 22:54:25,544 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:54:25,545 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:54:25,546 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:54:25,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:54:25,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:54:25,620 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:54:25,621 INFO L158 Benchmark]: Toolchain (without parser) took 22923.12ms. Allocated memory was 190.8MB in the beginning and 283.1MB in the end (delta: 92.3MB). Free memory was 153.2MB in the beginning and 107.0MB in the end (delta: 46.2MB). Peak memory consumption was 137.6MB. Max. memory is 16.1GB. [2023-11-06 22:54:25,621 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:25,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.93ms. Allocated memory is still 190.8MB. Free memory was 152.8MB in the beginning and 149.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:54:25,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.32ms. Allocated memory is still 190.8MB. Free memory was 149.6MB in the beginning and 147.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:25,622 INFO L158 Benchmark]: Boogie Preprocessor took 55.59ms. Allocated memory is still 190.8MB. Free memory was 147.1MB in the beginning and 144.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:25,623 INFO L158 Benchmark]: RCFGBuilder took 1247.46ms. Allocated memory is still 190.8MB. Free memory was 144.5MB in the beginning and 148.3MB in the end (delta: -3.8MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2023-11-06 22:54:25,623 INFO L158 Benchmark]: TraceAbstraction took 21050.29ms. Allocated memory was 190.8MB in the beginning and 283.1MB in the end (delta: 92.3MB). Free memory was 148.3MB in the beginning and 113.3MB in the end (delta: 35.1MB). Peak memory consumption was 126.3MB. Max. memory is 16.1GB. [2023-11-06 22:54:25,623 INFO L158 Benchmark]: Witness Printer took 90.35ms. Allocated memory is still 283.1MB. Free memory was 113.3MB in the beginning and 107.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:54:25,625 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.93ms. Allocated memory is still 190.8MB. Free memory was 152.8MB in the beginning and 149.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.32ms. Allocated memory is still 190.8MB. Free memory was 149.6MB in the beginning and 147.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.59ms. Allocated memory is still 190.8MB. Free memory was 147.1MB in the beginning and 144.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1247.46ms. Allocated memory is still 190.8MB. Free memory was 144.5MB in the beginning and 148.3MB in the end (delta: -3.8MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21050.29ms. Allocated memory was 190.8MB in the beginning and 283.1MB in the end (delta: 92.3MB). Free memory was 148.3MB in the beginning and 113.3MB in the end (delta: 35.1MB). Peak memory consumption was 126.3MB. Max. memory is 16.1GB. * Witness Printer took 90.35ms. Allocated memory is still 283.1MB. Free memory was 113.3MB in the beginning and 107.0MB 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: 16.0s, 305 PlacesBefore, 95 PlacesAfterwards, 309 TransitionsBefore, 90 TransitionsAfterwards, 5184 CoEnabledTransitionPairs, 10 FixpointIterations, 249 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 31 TrivialYvCompositions, 6 ConcurrentYvCompositions, 9 ChoiceCompositions, 348 TotalNumberOfCompositions, 35343 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10523, independent: 9709, independent conditional: 0, independent unconditional: 9709, dependent: 814, dependent conditional: 0, dependent unconditional: 814, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2266, independent: 2176, independent conditional: 0, independent unconditional: 2176, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10523, independent: 7533, independent conditional: 0, independent unconditional: 7533, dependent: 724, dependent conditional: 0, dependent unconditional: 724, unknown: 2266, unknown conditional: 0, unknown unconditional: 2266] , Statistics on independence cache: Total cache size (in pairs): 536, Positive cache size: 486, Positive conditional cache size: 0, Positive unconditional cache size: 486, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: 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: 56]: 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: 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: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 74]: 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: 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: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 385 locations, 85 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: 20.8s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 16.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 392 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 155 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 830 IncrementalHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 155 mSolverCounterUnsat, 41 mSDtfsCounter, 830 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 1.4s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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 53 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:54:25,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb75b2c-a75d-4c43-9be3-112e9ebf49d6/bin/uautomizer-verify-WvqO1wxjHP/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