./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:33:22,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:33:22,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-08 18:33:22,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:33:22,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:33:22,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:33:22,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:33:22,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:33:22,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:33:22,596 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:33:22,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:33:22,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:33:22,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:33:22,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:33:22,599 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:33:22,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:33:22,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:33:22,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:33:22,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:33:22,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:33:22,602 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 18:33:22,606 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 18:33:22,607 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 18:33:22,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:33:22,607 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:33:22,608 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:33:22,608 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:33:22,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:33:22,609 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:33:22,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:33:22,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:33:22,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:33:22,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:33:22,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:33:22,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:33:22,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:33:22,613 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:33:22,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:33:22,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:33:22,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:33:22,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:33:22,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:33:22,616 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_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d [2024-11-08 18:33:22,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:33:22,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:33:22,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:33:22,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:33:22,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:33:22,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i Unable to find full path for "g++" [2024-11-08 18:33:25,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:33:25,491 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:33:25,492 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2024-11-08 18:33:25,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/data/fd1876f0e/cc878f439c694ee18ac62024c7dcb610/FLAG8085f548e [2024-11-08 18:33:25,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/data/fd1876f0e/cc878f439c694ee18ac62024c7dcb610 [2024-11-08 18:33:25,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:33:25,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:33:25,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:33:25,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:33:25,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:33:25,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:33:25" (1/1) ... [2024-11-08 18:33:25,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a11ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:25, skipping insertion in model container [2024-11-08 18:33:25,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:33:25" (1/1) ... [2024-11-08 18:33:25,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:33:26,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:33:26,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:33:26,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:33:27,065 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:33:27,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27 WrapperNode [2024-11-08 18:33:27,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:33:27,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:33:27,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:33:27,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:33:27,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (1/1) ... [2024-11-08 18:33:27,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (1/1) ... [2024-11-08 18:33:27,178 INFO L138 Inliner]: procedures = 487, calls = 37, calls flagged for inlining = 16, calls inlined = 21, statements flattened = 213 [2024-11-08 18:33:27,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:33:27,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:33:27,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:33:27,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:33:27,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (1/1) ... [2024-11-08 18:33:27,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (1/1) ... [2024-11-08 18:33:27,203 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (1/1) ... [2024-11-08 18:33:27,236 INFO L175 MemorySlicer]: Split 9 memory accesses to 4 slices as follows [2, 5, 1, 1]. 56 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 2 writes are split as follows [0, 0, 1, 1]. [2024-11-08 18:33:27,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (1/1) ... [2024-11-08 18:33:27,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (1/1) ... [2024-11-08 18:33:27,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (1/1) ... [2024-11-08 18:33:27,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (1/1) ... [2024-11-08 18:33:27,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (1/1) ... [2024-11-08 18:33:27,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (1/1) ... [2024-11-08 18:33:27,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:33:27,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:33:27,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:33:27,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:33:27,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (1/1) ... [2024-11-08 18:33:27,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:33:27,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:33:27,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:33:27,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:33:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2024-11-08 18:33:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2024-11-08 18:33:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 18:33:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2024-11-08 18:33:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2024-11-08 18:33:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 18:33:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:33:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-08 18:33:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-08 18:33:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-08 18:33:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-08 18:33:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:33:27,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:33:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 18:33:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 18:33:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:33:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 18:33:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 18:33:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 18:33:27,389 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 18:33:27,768 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:33:27,771 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:33:28,157 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 18:33:28,157 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:33:28,418 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:33:28,418 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 18:33:28,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:33:28 BoogieIcfgContainer [2024-11-08 18:33:28,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:33:28,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:33:28,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:33:28,425 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:33:28,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:33:25" (1/3) ... [2024-11-08 18:33:28,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508f6a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:33:28, skipping insertion in model container [2024-11-08 18:33:28,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:33:27" (2/3) ... [2024-11-08 18:33:28,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508f6a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:33:28, skipping insertion in model container [2024-11-08 18:33:28,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:33:28" (3/3) ... [2024-11-08 18:33:28,429 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2024-11-08 18:33:28,448 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:33:28,449 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-11-08 18:33:28,449 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 18:33:28,522 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-08 18:33:28,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 152 transitions, 331 flow [2024-11-08 18:33:28,622 INFO L124 PetriNetUnfolderBase]: 36/156 cut-off events. [2024-11-08 18:33:28,622 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-08 18:33:28,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 156 events. 36/156 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 505 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 107. Up to 11 conditions per place. [2024-11-08 18:33:28,628 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 152 transitions, 331 flow [2024-11-08 18:33:28,634 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 106 transitions, 228 flow [2024-11-08 18:33:28,644 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:33:28,651 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@19533e48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:33:28,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2024-11-08 18:33:28,655 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 18:33:28,655 INFO L124 PetriNetUnfolderBase]: 2/10 cut-off events. [2024-11-08 18:33:28,655 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:33:28,656 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:28,656 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-08 18:33:28,657 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:28,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:28,663 INFO L85 PathProgramCache]: Analyzing trace with hash 18913409, now seen corresponding path program 1 times [2024-11-08 18:33:28,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:28,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182905789] [2024-11-08 18:33:28,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:28,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:29,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:33:29,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:29,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182905789] [2024-11-08 18:33:29,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182905789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:29,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:29,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:33:29,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426698226] [2024-11-08 18:33:29,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:29,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:33:29,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:29,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:33:29,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:33:29,222 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 152 [2024-11-08 18:33:29,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 106 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2024-11-08 18:33:29,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:29,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 152 [2024-11-08 18:33:29,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:30,124 INFO L124 PetriNetUnfolderBase]: 2021/3758 cut-off events. [2024-11-08 18:33:30,124 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-08 18:33:30,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6832 conditions, 3758 events. 2021/3758 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 25211 event pairs, 1646 based on Foata normal form. 321/3595 useless extension candidates. Maximal degree in co-relation 6490. Up to 2977 conditions per place. [2024-11-08 18:33:30,164 INFO L140 encePairwiseOnDemand]: 135/152 looper letters, 54 selfloop transitions, 6 changer transitions 0/88 dead transitions. [2024-11-08 18:33:30,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 88 transitions, 312 flow [2024-11-08 18:33:30,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:33:30,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:33:30,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2024-11-08 18:33:30,182 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5109649122807017 [2024-11-08 18:33:30,185 INFO L175 Difference]: Start difference. First operand has 86 places, 106 transitions, 228 flow. Second operand 3 states and 233 transitions. [2024-11-08 18:33:30,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 88 transitions, 312 flow [2024-11-08 18:33:30,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 88 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:33:30,202 INFO L231 Difference]: Finished difference. Result has 71 places, 77 transitions, 178 flow [2024-11-08 18:33:30,204 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=71, PETRI_TRANSITIONS=77} [2024-11-08 18:33:30,212 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -15 predicate places. [2024-11-08 18:33:30,212 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 77 transitions, 178 flow [2024-11-08 18:33:30,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2024-11-08 18:33:30,213 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:30,213 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:30,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:33:30,214 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:30,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:30,217 INFO L85 PathProgramCache]: Analyzing trace with hash -2042904209, now seen corresponding path program 1 times [2024-11-08 18:33:30,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:30,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530149893] [2024-11-08 18:33:30,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:30,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:30,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:33:30,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:30,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530149893] [2024-11-08 18:33:30,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530149893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:30,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:30,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:33:30,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47688746] [2024-11-08 18:33:30,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:30,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:33:30,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:30,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:33:30,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:33:30,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 152 [2024-11-08 18:33:30,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 77 transitions, 178 flow. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 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) [2024-11-08 18:33:30,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:30,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 152 [2024-11-08 18:33:30,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:31,184 INFO L124 PetriNetUnfolderBase]: 1295/2395 cut-off events. [2024-11-08 18:33:31,185 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-08 18:33:31,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4487 conditions, 2395 events. 1295/2395 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 14646 event pairs, 383 based on Foata normal form. 0/2223 useless extension candidates. Maximal degree in co-relation 4244. Up to 1159 conditions per place. [2024-11-08 18:33:31,202 INFO L140 encePairwiseOnDemand]: 148/152 looper letters, 108 selfloop transitions, 3 changer transitions 2/144 dead transitions. [2024-11-08 18:33:31,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 144 transitions, 556 flow [2024-11-08 18:33:31,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:33:31,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 18:33:31,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 338 transitions. [2024-11-08 18:33:31,208 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.555921052631579 [2024-11-08 18:33:31,208 INFO L175 Difference]: Start difference. First operand has 71 places, 77 transitions, 178 flow. Second operand 4 states and 338 transitions. [2024-11-08 18:33:31,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 144 transitions, 556 flow [2024-11-08 18:33:31,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 144 transitions, 544 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:33:31,220 INFO L231 Difference]: Finished difference. Result has 74 places, 78 transitions, 183 flow [2024-11-08 18:33:31,221 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=183, PETRI_PLACES=74, PETRI_TRANSITIONS=78} [2024-11-08 18:33:31,222 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -12 predicate places. [2024-11-08 18:33:31,222 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 78 transitions, 183 flow [2024-11-08 18:33:31,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 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) [2024-11-08 18:33:31,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:31,223 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:31,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:33:31,224 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:31,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:31,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1309957410, now seen corresponding path program 1 times [2024-11-08 18:33:31,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:31,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94785624] [2024-11-08 18:33:31,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:31,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:33:31,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:31,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94785624] [2024-11-08 18:33:31,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94785624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:31,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:31,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 18:33:31,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452529948] [2024-11-08 18:33:31,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:31,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:33:31,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:31,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:33:31,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:33:31,396 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-11-08 18:33:31,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 78 transitions, 183 flow. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2024-11-08 18:33:31,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:31,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-11-08 18:33:31,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:32,141 INFO L124 PetriNetUnfolderBase]: 2329/4170 cut-off events. [2024-11-08 18:33:32,141 INFO L125 PetriNetUnfolderBase]: For 2902/2902 co-relation queries the response was YES. [2024-11-08 18:33:32,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9293 conditions, 4170 events. 2329/4170 cut-off events. For 2902/2902 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 23815 event pairs, 1035 based on Foata normal form. 0/3834 useless extension candidates. Maximal degree in co-relation 4080. Up to 2197 conditions per place. [2024-11-08 18:33:32,177 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 70 selfloop transitions, 4 changer transitions 6/109 dead transitions. [2024-11-08 18:33:32,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 109 transitions, 417 flow [2024-11-08 18:33:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:33:32,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:33:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 244 transitions. [2024-11-08 18:33:32,180 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5350877192982456 [2024-11-08 18:33:32,182 INFO L175 Difference]: Start difference. First operand has 74 places, 78 transitions, 183 flow. Second operand 3 states and 244 transitions. [2024-11-08 18:33:32,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 109 transitions, 417 flow [2024-11-08 18:33:32,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 109 transitions, 415 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 18:33:32,189 INFO L231 Difference]: Finished difference. Result has 76 places, 75 transitions, 194 flow [2024-11-08 18:33:32,189 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=76, PETRI_TRANSITIONS=75} [2024-11-08 18:33:32,190 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -10 predicate places. [2024-11-08 18:33:32,191 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 75 transitions, 194 flow [2024-11-08 18:33:32,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2024-11-08 18:33:32,192 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:32,192 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:32,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:33:32,193 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread_usbErr3ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:32,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:32,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1116375892, now seen corresponding path program 1 times [2024-11-08 18:33:32,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:32,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516403188] [2024-11-08 18:33:32,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:32,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:32,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:33:32,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:32,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516403188] [2024-11-08 18:33:32,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516403188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:32,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:32,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:33:32,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798703175] [2024-11-08 18:33:32,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:32,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:33:32,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:32,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:33:32,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:33:32,380 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2024-11-08 18:33:32,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 75 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2024-11-08 18:33:32,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:32,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2024-11-08 18:33:32,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:33,009 INFO L124 PetriNetUnfolderBase]: 2336/4118 cut-off events. [2024-11-08 18:33:33,010 INFO L125 PetriNetUnfolderBase]: For 3366/3368 co-relation queries the response was YES. [2024-11-08 18:33:33,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9856 conditions, 4118 events. 2336/4118 cut-off events. For 3366/3368 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 22629 event pairs, 1456 based on Foata normal form. 0/3787 useless extension candidates. Maximal degree in co-relation 4110. Up to 2919 conditions per place. [2024-11-08 18:33:33,046 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 56 selfloop transitions, 4 changer transitions 0/84 dead transitions. [2024-11-08 18:33:33,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 84 transitions, 351 flow [2024-11-08 18:33:33,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:33:33,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:33:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 221 transitions. [2024-11-08 18:33:33,048 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48464912280701755 [2024-11-08 18:33:33,048 INFO L175 Difference]: Start difference. First operand has 76 places, 75 transitions, 194 flow. Second operand 3 states and 221 transitions. [2024-11-08 18:33:33,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 84 transitions, 351 flow [2024-11-08 18:33:33,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 84 transitions, 316 flow, removed 1 selfloop flow, removed 5 redundant places. [2024-11-08 18:33:33,057 INFO L231 Difference]: Finished difference. Result has 65 places, 69 transitions, 170 flow [2024-11-08 18:33:33,058 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=65, PETRI_TRANSITIONS=69} [2024-11-08 18:33:33,058 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2024-11-08 18:33:33,059 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 69 transitions, 170 flow [2024-11-08 18:33:33,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2024-11-08 18:33:33,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:33,059 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:33,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:33:33,060 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:33,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:33,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1257839221, now seen corresponding path program 1 times [2024-11-08 18:33:33,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:33,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24370761] [2024-11-08 18:33:33,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:33,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:33,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:33:33,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:33,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24370761] [2024-11-08 18:33:33,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24370761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:33,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:33,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:33:33,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844439879] [2024-11-08 18:33:33,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:33,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:33:33,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:33,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:33:33,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:33:33,239 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-11-08 18:33:33,239 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 69 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2024-11-08 18:33:33,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:33,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-11-08 18:33:33,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:33,849 INFO L124 PetriNetUnfolderBase]: 2363/4298 cut-off events. [2024-11-08 18:33:33,850 INFO L125 PetriNetUnfolderBase]: For 606/612 co-relation queries the response was YES. [2024-11-08 18:33:33,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8504 conditions, 4298 events. 2363/4298 cut-off events. For 606/612 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 25290 event pairs, 1441 based on Foata normal form. 6/3941 useless extension candidates. Maximal degree in co-relation 3428. Up to 2856 conditions per place. [2024-11-08 18:33:33,884 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 71 selfloop transitions, 5 changer transitions 0/101 dead transitions. [2024-11-08 18:33:33,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 101 transitions, 406 flow [2024-11-08 18:33:33,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:33:33,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:33:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 240 transitions. [2024-11-08 18:33:33,886 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5263157894736842 [2024-11-08 18:33:33,887 INFO L175 Difference]: Start difference. First operand has 65 places, 69 transitions, 170 flow. Second operand 3 states and 240 transitions. [2024-11-08 18:33:33,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 101 transitions, 406 flow [2024-11-08 18:33:33,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 101 transitions, 390 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:33:33,895 INFO L231 Difference]: Finished difference. Result has 67 places, 71 transitions, 192 flow [2024-11-08 18:33:33,896 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=67, PETRI_TRANSITIONS=71} [2024-11-08 18:33:33,897 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -19 predicate places. [2024-11-08 18:33:33,898 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 71 transitions, 192 flow [2024-11-08 18:33:33,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2024-11-08 18:33:33,900 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:33,900 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:33,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:33:33,900 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:33,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:33,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1465552242, now seen corresponding path program 1 times [2024-11-08 18:33:33,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:33,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206283649] [2024-11-08 18:33:33,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:33,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:33:34,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:34,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206283649] [2024-11-08 18:33:34,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206283649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:34,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:34,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:33:34,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315345620] [2024-11-08 18:33:34,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:34,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:33:34,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:34,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:33:34,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:33:34,156 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-11-08 18:33:34,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 71 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2024-11-08 18:33:34,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:34,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-11-08 18:33:34,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:34,852 INFO L124 PetriNetUnfolderBase]: 2350/4259 cut-off events. [2024-11-08 18:33:34,852 INFO L125 PetriNetUnfolderBase]: For 1944/1954 co-relation queries the response was YES. [2024-11-08 18:33:34,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8911 conditions, 4259 events. 2350/4259 cut-off events. For 1944/1954 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 24819 event pairs, 1430 based on Foata normal form. 32/3942 useless extension candidates. Maximal degree in co-relation 5556. Up to 2490 conditions per place. [2024-11-08 18:33:34,879 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 72 selfloop transitions, 3 changer transitions 0/100 dead transitions. [2024-11-08 18:33:34,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 100 transitions, 413 flow [2024-11-08 18:33:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:33:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:33:34,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 237 transitions. [2024-11-08 18:33:34,883 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5197368421052632 [2024-11-08 18:33:34,883 INFO L175 Difference]: Start difference. First operand has 67 places, 71 transitions, 192 flow. Second operand 3 states and 237 transitions. [2024-11-08 18:33:34,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 100 transitions, 413 flow [2024-11-08 18:33:34,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 100 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:33:34,891 INFO L231 Difference]: Finished difference. Result has 66 places, 70 transitions, 186 flow [2024-11-08 18:33:34,892 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=66, PETRI_TRANSITIONS=70} [2024-11-08 18:33:34,893 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -20 predicate places. [2024-11-08 18:33:34,894 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 70 transitions, 186 flow [2024-11-08 18:33:34,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2024-11-08 18:33:34,894 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:34,894 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:34,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:33:34,895 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:34,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:34,896 INFO L85 PathProgramCache]: Analyzing trace with hash 978812683, now seen corresponding path program 1 times [2024-11-08 18:33:34,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:34,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55192130] [2024-11-08 18:33:34,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:34,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:35,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:33:35,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:35,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55192130] [2024-11-08 18:33:35,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55192130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:35,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:35,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:33:35,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748013974] [2024-11-08 18:33:35,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:35,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:33:35,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:35,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:33:35,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:33:35,036 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-11-08 18:33:35,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 70 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2024-11-08 18:33:35,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:35,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-11-08 18:33:35,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:35,744 INFO L124 PetriNetUnfolderBase]: 2349/4021 cut-off events. [2024-11-08 18:33:35,744 INFO L125 PetriNetUnfolderBase]: For 1943/1947 co-relation queries the response was YES. [2024-11-08 18:33:35,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8634 conditions, 4021 events. 2349/4021 cut-off events. For 1943/1947 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 21329 event pairs, 1390 based on Foata normal form. 0/3653 useless extension candidates. Maximal degree in co-relation 5331. Up to 2929 conditions per place. [2024-11-08 18:33:35,776 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 64 selfloop transitions, 2 changer transitions 2/90 dead transitions. [2024-11-08 18:33:35,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 90 transitions, 389 flow [2024-11-08 18:33:35,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:33:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:33:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2024-11-08 18:33:35,778 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49780701754385964 [2024-11-08 18:33:35,778 INFO L175 Difference]: Start difference. First operand has 66 places, 70 transitions, 186 flow. Second operand 3 states and 227 transitions. [2024-11-08 18:33:35,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 90 transitions, 389 flow [2024-11-08 18:33:35,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 90 transitions, 377 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:33:35,785 INFO L231 Difference]: Finished difference. Result has 63 places, 66 transitions, 174 flow [2024-11-08 18:33:35,786 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=63, PETRI_TRANSITIONS=66} [2024-11-08 18:33:35,786 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -23 predicate places. [2024-11-08 18:33:35,787 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 66 transitions, 174 flow [2024-11-08 18:33:35,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2024-11-08 18:33:35,787 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:35,788 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:35,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:33:35,788 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbThread1of1ForFork1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:35,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:35,789 INFO L85 PathProgramCache]: Analyzing trace with hash -466107912, now seen corresponding path program 1 times [2024-11-08 18:33:35,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:35,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847367533] [2024-11-08 18:33:35,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:35,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:33:35,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:35,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847367533] [2024-11-08 18:33:35,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847367533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:35,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:35,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:33:35,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222585527] [2024-11-08 18:33:35,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:35,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:33:35,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:35,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:33:35,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:33:35,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 152 [2024-11-08 18:33:35,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 66 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2024-11-08 18:33:35,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:35,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 152 [2024-11-08 18:33:35,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:36,516 INFO L124 PetriNetUnfolderBase]: 2070/3671 cut-off events. [2024-11-08 18:33:36,517 INFO L125 PetriNetUnfolderBase]: For 1018/1021 co-relation queries the response was YES. [2024-11-08 18:33:36,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7421 conditions, 3671 events. 2070/3671 cut-off events. For 1018/1021 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 20122 event pairs, 660 based on Foata normal form. 288/3711 useless extension candidates. Maximal degree in co-relation 5001. Up to 1525 conditions per place. [2024-11-08 18:33:36,536 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 60 selfloop transitions, 3 changer transitions 2/85 dead transitions. [2024-11-08 18:33:36,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 85 transitions, 357 flow [2024-11-08 18:33:36,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:33:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:33:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2024-11-08 18:33:36,538 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4780701754385965 [2024-11-08 18:33:36,538 INFO L175 Difference]: Start difference. First operand has 63 places, 66 transitions, 174 flow. Second operand 3 states and 218 transitions. [2024-11-08 18:33:36,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 85 transitions, 357 flow [2024-11-08 18:33:36,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 85 transitions, 343 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-08 18:33:36,547 INFO L231 Difference]: Finished difference. Result has 61 places, 65 transitions, 183 flow [2024-11-08 18:33:36,548 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=183, PETRI_PLACES=61, PETRI_TRANSITIONS=65} [2024-11-08 18:33:36,550 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -25 predicate places. [2024-11-08 18:33:36,551 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 65 transitions, 183 flow [2024-11-08 18:33:36,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2024-11-08 18:33:36,552 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:36,552 INFO L204 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] [2024-11-08 18:33:36,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 18:33:36,552 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:36,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:36,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1708977091, now seen corresponding path program 1 times [2024-11-08 18:33:36,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:36,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637216773] [2024-11-08 18:33:36,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:36,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:36,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:33:36,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:36,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637216773] [2024-11-08 18:33:36,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637216773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:36,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:36,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:33:36,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156394593] [2024-11-08 18:33:36,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:36,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:33:36,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:36,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:33:36,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:33:36,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-11-08 18:33:36,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 65 transitions, 183 flow. Second operand has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 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) [2024-11-08 18:33:36,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:36,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-11-08 18:33:36,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:37,535 INFO L124 PetriNetUnfolderBase]: 2173/3984 cut-off events. [2024-11-08 18:33:37,536 INFO L125 PetriNetUnfolderBase]: For 1259/1265 co-relation queries the response was YES. [2024-11-08 18:33:37,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8228 conditions, 3984 events. 2173/3984 cut-off events. For 1259/1265 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 22688 event pairs, 1103 based on Foata normal form. 15/3761 useless extension candidates. Maximal degree in co-relation 2302. Up to 1887 conditions per place. [2024-11-08 18:33:37,553 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 85 selfloop transitions, 4 changer transitions 8/118 dead transitions. [2024-11-08 18:33:37,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 118 transitions, 506 flow [2024-11-08 18:33:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:33:37,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 18:33:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 316 transitions. [2024-11-08 18:33:37,559 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5197368421052632 [2024-11-08 18:33:37,559 INFO L175 Difference]: Start difference. First operand has 61 places, 65 transitions, 183 flow. Second operand 4 states and 316 transitions. [2024-11-08 18:33:37,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 118 transitions, 506 flow [2024-11-08 18:33:37,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 118 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:33:37,565 INFO L231 Difference]: Finished difference. Result has 64 places, 66 transitions, 202 flow [2024-11-08 18:33:37,566 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=202, PETRI_PLACES=64, PETRI_TRANSITIONS=66} [2024-11-08 18:33:37,567 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -22 predicate places. [2024-11-08 18:33:37,567 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 66 transitions, 202 flow [2024-11-08 18:33:37,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 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) [2024-11-08 18:33:37,568 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:37,568 INFO L204 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] [2024-11-08 18:33:37,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 18:33:37,569 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread_usbErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:37,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:37,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1409701902, now seen corresponding path program 1 times [2024-11-08 18:33:37,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:37,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773771335] [2024-11-08 18:33:37,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:37,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 18:33:37,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:37,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773771335] [2024-11-08 18:33:37,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773771335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:37,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:37,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:33:37,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621176530] [2024-11-08 18:33:37,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:37,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:33:37,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:37,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:33:37,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:33:37,762 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-11-08 18:33:37,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 66 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2024-11-08 18:33:37,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:37,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-11-08 18:33:37,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:38,265 INFO L124 PetriNetUnfolderBase]: 1938/3588 cut-off events. [2024-11-08 18:33:38,265 INFO L125 PetriNetUnfolderBase]: For 2212/2213 co-relation queries the response was YES. [2024-11-08 18:33:38,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7910 conditions, 3588 events. 1938/3588 cut-off events. For 2212/2213 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 20140 event pairs, 1477 based on Foata normal form. 5/3361 useless extension candidates. Maximal degree in co-relation 5422. Up to 2816 conditions per place. [2024-11-08 18:33:38,285 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 52 selfloop transitions, 5 changer transitions 0/78 dead transitions. [2024-11-08 18:33:38,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 78 transitions, 344 flow [2024-11-08 18:33:38,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:33:38,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:33:38,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2024-11-08 18:33:38,287 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4780701754385965 [2024-11-08 18:33:38,288 INFO L175 Difference]: Start difference. First operand has 64 places, 66 transitions, 202 flow. Second operand 3 states and 218 transitions. [2024-11-08 18:33:38,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 78 transitions, 344 flow [2024-11-08 18:33:38,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 78 transitions, 331 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-08 18:33:38,294 INFO L231 Difference]: Finished difference. Result has 62 places, 65 transitions, 197 flow [2024-11-08 18:33:38,295 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=62, PETRI_TRANSITIONS=65} [2024-11-08 18:33:38,297 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -24 predicate places. [2024-11-08 18:33:38,297 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 65 transitions, 197 flow [2024-11-08 18:33:38,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2024-11-08 18:33:38,298 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:38,298 INFO L204 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] [2024-11-08 18:33:38,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 18:33:38,298 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread_usbErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:38,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:38,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1409701901, now seen corresponding path program 1 times [2024-11-08 18:33:38,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:38,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584868403] [2024-11-08 18:33:38,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:38,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 18:33:38,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:38,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584868403] [2024-11-08 18:33:38,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584868403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:38,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:38,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:33:38,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742042538] [2024-11-08 18:33:38,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:38,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:33:38,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:38,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:33:38,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:33:38,429 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-11-08 18:33:38,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 65 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2024-11-08 18:33:38,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:38,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-11-08 18:33:38,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:38,896 INFO L124 PetriNetUnfolderBase]: 1938/3583 cut-off events. [2024-11-08 18:33:38,896 INFO L125 PetriNetUnfolderBase]: For 1979/1980 co-relation queries the response was YES. [2024-11-08 18:33:38,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7793 conditions, 3583 events. 1938/3583 cut-off events. For 1979/1980 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 20064 event pairs, 1477 based on Foata normal form. 5/3356 useless extension candidates. Maximal degree in co-relation 5388. Up to 2816 conditions per place. [2024-11-08 18:33:38,917 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 52 selfloop transitions, 5 changer transitions 0/77 dead transitions. [2024-11-08 18:33:38,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 77 transitions, 339 flow [2024-11-08 18:33:38,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:33:38,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:33:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2024-11-08 18:33:38,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4780701754385965 [2024-11-08 18:33:38,919 INFO L175 Difference]: Start difference. First operand has 62 places, 65 transitions, 197 flow. Second operand 3 states and 218 transitions. [2024-11-08 18:33:38,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 77 transitions, 339 flow [2024-11-08 18:33:38,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 77 transitions, 329 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:33:38,925 INFO L231 Difference]: Finished difference. Result has 61 places, 64 transitions, 195 flow [2024-11-08 18:33:38,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=195, PETRI_PLACES=61, PETRI_TRANSITIONS=64} [2024-11-08 18:33:38,928 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -25 predicate places. [2024-11-08 18:33:38,928 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 64 transitions, 195 flow [2024-11-08 18:33:38,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2024-11-08 18:33:38,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:38,928 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:38,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 18:33:38,929 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:38,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:38,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1810661235, now seen corresponding path program 1 times [2024-11-08 18:33:38,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:38,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810434051] [2024-11-08 18:33:38,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:38,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 18:33:39,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:39,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810434051] [2024-11-08 18:33:39,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810434051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:39,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:39,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:33:39,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304988705] [2024-11-08 18:33:39,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:39,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:33:39,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:39,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:33:39,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:33:39,507 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2024-11-08 18:33:39,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 64 transitions, 195 flow. Second operand has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 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) [2024-11-08 18:33:39,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:39,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2024-11-08 18:33:39,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:40,288 INFO L124 PetriNetUnfolderBase]: 2098/3919 cut-off events. [2024-11-08 18:33:40,289 INFO L125 PetriNetUnfolderBase]: For 2128/2140 co-relation queries the response was YES. [2024-11-08 18:33:40,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8539 conditions, 3919 events. 2098/3919 cut-off events. For 2128/2140 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 23121 event pairs, 1201 based on Foata normal form. 12/3669 useless extension candidates. Maximal degree in co-relation 6102. Up to 2202 conditions per place. [2024-11-08 18:33:40,313 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 80 selfloop transitions, 9 changer transitions 0/108 dead transitions. [2024-11-08 18:33:40,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 108 transitions, 493 flow [2024-11-08 18:33:40,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:33:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 18:33:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 301 transitions. [2024-11-08 18:33:40,315 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49506578947368424 [2024-11-08 18:33:40,315 INFO L175 Difference]: Start difference. First operand has 61 places, 64 transitions, 195 flow. Second operand 4 states and 301 transitions. [2024-11-08 18:33:40,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 108 transitions, 493 flow [2024-11-08 18:33:40,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 108 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:33:40,323 INFO L231 Difference]: Finished difference. Result has 65 places, 68 transitions, 253 flow [2024-11-08 18:33:40,323 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=253, PETRI_PLACES=65, PETRI_TRANSITIONS=68} [2024-11-08 18:33:40,325 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2024-11-08 18:33:40,326 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 68 transitions, 253 flow [2024-11-08 18:33:40,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 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) [2024-11-08 18:33:40,326 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:40,327 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:40,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 18:33:40,327 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:40,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:40,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1082006227, now seen corresponding path program 2 times [2024-11-08 18:33:40,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:40,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909853408] [2024-11-08 18:33:40,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:40,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 18:33:40,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:40,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909853408] [2024-11-08 18:33:40,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909853408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:40,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:40,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:33:40,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178076065] [2024-11-08 18:33:40,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:40,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:33:40,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:40,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:33:40,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:33:40,788 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2024-11-08 18:33:40,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 68 transitions, 253 flow. Second operand has 5 states, 5 states have (on average 60.4) internal successors, (302), 5 states have internal predecessors, (302), 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) [2024-11-08 18:33:40,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:40,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2024-11-08 18:33:40,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:41,498 INFO L124 PetriNetUnfolderBase]: 2089/3891 cut-off events. [2024-11-08 18:33:41,498 INFO L125 PetriNetUnfolderBase]: For 4196/4214 co-relation queries the response was YES. [2024-11-08 18:33:41,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9039 conditions, 3891 events. 2089/3891 cut-off events. For 4196/4214 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 22750 event pairs, 1131 based on Foata normal form. 30/3676 useless extension candidates. Maximal degree in co-relation 6298. Up to 1785 conditions per place. [2024-11-08 18:33:41,520 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 86 selfloop transitions, 14 changer transitions 0/119 dead transitions. [2024-11-08 18:33:41,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 119 transitions, 580 flow [2024-11-08 18:33:41,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:33:41,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 18:33:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 362 transitions. [2024-11-08 18:33:41,560 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4763157894736842 [2024-11-08 18:33:41,560 INFO L175 Difference]: Start difference. First operand has 65 places, 68 transitions, 253 flow. Second operand 5 states and 362 transitions. [2024-11-08 18:33:41,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 119 transitions, 580 flow [2024-11-08 18:33:41,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 119 transitions, 574 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-11-08 18:33:41,572 INFO L231 Difference]: Finished difference. Result has 68 places, 70 transitions, 297 flow [2024-11-08 18:33:41,573 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=297, PETRI_PLACES=68, PETRI_TRANSITIONS=70} [2024-11-08 18:33:41,574 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -18 predicate places. [2024-11-08 18:33:41,574 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 70 transitions, 297 flow [2024-11-08 18:33:41,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.4) internal successors, (302), 5 states have internal predecessors, (302), 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) [2024-11-08 18:33:41,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:41,575 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:41,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 18:33:41,575 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:41,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:41,576 INFO L85 PathProgramCache]: Analyzing trace with hash 449524381, now seen corresponding path program 1 times [2024-11-08 18:33:41,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:41,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373300984] [2024-11-08 18:33:41,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:41,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 18:33:41,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:41,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373300984] [2024-11-08 18:33:41,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373300984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:33:41,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:33:41,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:33:41,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338613437] [2024-11-08 18:33:41,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:33:41,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:33:41,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:41,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:33:41,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:33:42,014 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-11-08 18:33:42,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 70 transitions, 297 flow. Second operand has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 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) [2024-11-08 18:33:42,015 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:42,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-11-08 18:33:42,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:42,806 INFO L124 PetriNetUnfolderBase]: 2187/4090 cut-off events. [2024-11-08 18:33:42,806 INFO L125 PetriNetUnfolderBase]: For 5808/5832 co-relation queries the response was YES. [2024-11-08 18:33:42,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9716 conditions, 4090 events. 2187/4090 cut-off events. For 5808/5832 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 24126 event pairs, 1199 based on Foata normal form. 35/3877 useless extension candidates. Maximal degree in co-relation 6849. Up to 1784 conditions per place. [2024-11-08 18:33:42,831 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 101 selfloop transitions, 9 changer transitions 8/136 dead transitions. [2024-11-08 18:33:42,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 136 transitions, 698 flow [2024-11-08 18:33:42,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:33:42,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 18:33:42,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 386 transitions. [2024-11-08 18:33:42,835 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5078947368421053 [2024-11-08 18:33:42,835 INFO L175 Difference]: Start difference. First operand has 68 places, 70 transitions, 297 flow. Second operand 5 states and 386 transitions. [2024-11-08 18:33:42,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 136 transitions, 698 flow [2024-11-08 18:33:42,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 136 transitions, 688 flow, removed 5 selfloop flow, removed 0 redundant places. [2024-11-08 18:33:42,865 INFO L231 Difference]: Finished difference. Result has 74 places, 70 transitions, 329 flow [2024-11-08 18:33:42,866 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=329, PETRI_PLACES=74, PETRI_TRANSITIONS=70} [2024-11-08 18:33:42,867 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -12 predicate places. [2024-11-08 18:33:42,868 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 70 transitions, 329 flow [2024-11-08 18:33:42,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 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) [2024-11-08 18:33:42,868 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:42,869 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:42,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 18:33:42,869 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:42,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:42,870 INFO L85 PathProgramCache]: Analyzing trace with hash 147676287, now seen corresponding path program 2 times [2024-11-08 18:33:42,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:42,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082461573] [2024-11-08 18:33:42,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:42,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 18:33:43,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:43,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082461573] [2024-11-08 18:33:43,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082461573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:33:43,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319277667] [2024-11-08 18:33:43,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:33:43,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:33:43,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:33:43,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:33:43,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:33:43,687 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 18:33:43,687 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:33:43,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 18:33:43,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:33:43,861 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-08 18:33:43,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 27 [2024-11-08 18:33:43,912 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-08 18:33:43,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 29 [2024-11-08 18:33:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 18:33:44,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:33:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 18:33:45,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319277667] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:33:45,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:33:45,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 12 [2024-11-08 18:33:45,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652135960] [2024-11-08 18:33:45,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:33:45,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:33:45,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:45,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:33:45,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:33:45,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2024-11-08 18:33:45,386 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 70 transitions, 329 flow. Second operand has 14 states, 14 states have (on average 59.714285714285715) internal successors, (836), 14 states have internal predecessors, (836), 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) [2024-11-08 18:33:45,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:45,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2024-11-08 18:33:45,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:46,999 INFO L124 PetriNetUnfolderBase]: 2488/4723 cut-off events. [2024-11-08 18:33:47,000 INFO L125 PetriNetUnfolderBase]: For 10118/10148 co-relation queries the response was YES. [2024-11-08 18:33:47,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11500 conditions, 4723 events. 2488/4723 cut-off events. For 10118/10148 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 27785 event pairs, 1302 based on Foata normal form. 42/4473 useless extension candidates. Maximal degree in co-relation 9483. Up to 2173 conditions per place. [2024-11-08 18:33:47,077 INFO L140 encePairwiseOnDemand]: 145/152 looper letters, 92 selfloop transitions, 3 changer transitions 69/182 dead transitions. [2024-11-08 18:33:47,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 182 transitions, 948 flow [2024-11-08 18:33:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:33:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-08 18:33:47,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 587 transitions. [2024-11-08 18:33:47,080 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48273026315789475 [2024-11-08 18:33:47,080 INFO L175 Difference]: Start difference. First operand has 74 places, 70 transitions, 329 flow. Second operand 8 states and 587 transitions. [2024-11-08 18:33:47,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 182 transitions, 948 flow [2024-11-08 18:33:47,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 182 transitions, 913 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-11-08 18:33:47,104 INFO L231 Difference]: Finished difference. Result has 81 places, 69 transitions, 305 flow [2024-11-08 18:33:47,104 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=305, PETRI_PLACES=81, PETRI_TRANSITIONS=69} [2024-11-08 18:33:47,105 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -5 predicate places. [2024-11-08 18:33:47,105 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 69 transitions, 305 flow [2024-11-08 18:33:47,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 59.714285714285715) internal successors, (836), 14 states have internal predecessors, (836), 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) [2024-11-08 18:33:47,106 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:33:47,106 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:47,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:33:47,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-08 18:33:47,307 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2024-11-08 18:33:47,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:33:47,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1004637477, now seen corresponding path program 3 times [2024-11-08 18:33:47,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:33:47,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916505055] [2024-11-08 18:33:47,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:33:47,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:33:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:33:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 18:33:47,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:33:47,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916505055] [2024-11-08 18:33:47,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916505055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:33:47,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7515668] [2024-11-08 18:33:47,795 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 18:33:47,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:33:47,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:33:47,797 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:33:47,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:33:47,961 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 18:33:47,961 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:33:47,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 18:33:47,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:33:48,044 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-08 18:33:48,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 27 [2024-11-08 18:33:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 18:33:48,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:33:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 18:33:50,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7515668] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:33:50,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:33:50,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-08 18:33:50,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483241073] [2024-11-08 18:33:50,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:33:50,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 18:33:50,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:33:50,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 18:33:50,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=102, Unknown=1, NotChecked=0, Total=132 [2024-11-08 18:33:50,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-11-08 18:33:50,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 69 transitions, 305 flow. Second operand has 12 states, 12 states have (on average 61.583333333333336) internal successors, (739), 12 states have internal predecessors, (739), 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) [2024-11-08 18:33:50,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:33:50,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-11-08 18:33:50,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:33:52,181 INFO L124 PetriNetUnfolderBase]: 2053/3817 cut-off events. [2024-11-08 18:33:52,181 INFO L125 PetriNetUnfolderBase]: For 8079/8106 co-relation queries the response was YES. [2024-11-08 18:33:52,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9487 conditions, 3817 events. 2053/3817 cut-off events. For 8079/8106 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 20998 event pairs, 1130 based on Foata normal form. 38/3608 useless extension candidates. Maximal degree in co-relation 9472. Up to 1783 conditions per place. [2024-11-08 18:33:52,197 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 0 selfloop transitions, 0 changer transitions 142/142 dead transitions. [2024-11-08 18:33:52,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 142 transitions, 710 flow [2024-11-08 18:33:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:33:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 18:33:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 503 transitions. [2024-11-08 18:33:52,200 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47274436090225563 [2024-11-08 18:33:52,200 INFO L175 Difference]: Start difference. First operand has 81 places, 69 transitions, 305 flow. Second operand 7 states and 503 transitions. [2024-11-08 18:33:52,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 142 transitions, 710 flow [2024-11-08 18:33:52,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 142 transitions, 695 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-08 18:33:52,218 INFO L231 Difference]: Finished difference. Result has 77 places, 0 transitions, 0 flow [2024-11-08 18:33:52,218 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=77, PETRI_TRANSITIONS=0} [2024-11-08 18:33:52,219 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -9 predicate places. [2024-11-08 18:33:52,219 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 0 transitions, 0 flow [2024-11-08 18:33:52,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 61.583333333333336) internal successors, (739), 12 states have internal predecessors, (739), 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) [2024-11-08 18:33:52,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK (18 of 19 remaining) [2024-11-08 18:33:52,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (17 of 19 remaining) [2024-11-08 18:33:52,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (16 of 19 remaining) [2024-11-08 18:33:52,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (15 of 19 remaining) [2024-11-08 18:33:52,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 19 remaining) [2024-11-08 18:33:52,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 19 remaining) [2024-11-08 18:33:52,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (12 of 19 remaining) [2024-11-08 18:33:52,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 19 remaining) [2024-11-08 18:33:52,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONMEMORY_LEAK (10 of 19 remaining) [2024-11-08 18:33:52,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 19 remaining) [2024-11-08 18:33:52,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 19 remaining) [2024-11-08 18:33:52,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONMEMORY_LEAK (7 of 19 remaining) [2024-11-08 18:33:52,225 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 19 remaining) [2024-11-08 18:33:52,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 19 remaining) [2024-11-08 18:33:52,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONMEMORY_LEAK (4 of 19 remaining) [2024-11-08 18:33:52,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 19 remaining) [2024-11-08 18:33:52,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 19 remaining) [2024-11-08 18:33:52,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONMEMORY_LEAK (1 of 19 remaining) [2024-11-08 18:33:52,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 19 remaining) [2024-11-08 18:33:52,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 18:33:52,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-08 18:33:52,432 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:33:52,437 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 18:33:52,437 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:33:52,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:33:52 BasicIcfg [2024-11-08 18:33:52,445 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:33:52,445 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:33:52,445 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:33:52,446 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:33:52,446 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:33:28" (3/4) ... [2024-11-08 18:33:52,449 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 18:33:52,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2024-11-08 18:33:52,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2024-11-08 18:33:52,460 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2024-11-08 18:33:52,462 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-08 18:33:52,462 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 18:33:52,462 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 18:33:52,593 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:33:52,593 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 18:33:52,593 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:33:52,594 INFO L158 Benchmark]: Toolchain (without parser) took 27044.24ms. Allocated memory was 155.2MB in the beginning and 740.3MB in the end (delta: 585.1MB). Free memory was 111.6MB in the beginning and 350.1MB in the end (delta: -238.5MB). Peak memory consumption was 348.2MB. Max. memory is 16.1GB. [2024-11-08 18:33:52,596 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 78.0MB in the beginning and 78.0MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:33:52,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1514.79ms. Allocated memory is still 155.2MB. Free memory was 111.1MB in the beginning and 108.1MB in the end (delta: 3.1MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2024-11-08 18:33:52,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.71ms. Allocated memory is still 155.2MB. Free memory was 108.1MB in the beginning and 104.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:33:52,599 INFO L158 Benchmark]: Boogie Preprocessor took 111.83ms. Allocated memory is still 155.2MB. Free memory was 104.7MB in the beginning and 100.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:33:52,599 INFO L158 Benchmark]: RCFGBuilder took 1127.04ms. Allocated memory is still 155.2MB. Free memory was 100.5MB in the beginning and 114.6MB in the end (delta: -14.2MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-11-08 18:33:52,600 INFO L158 Benchmark]: TraceAbstraction took 24023.55ms. Allocated memory was 155.2MB in the beginning and 740.3MB in the end (delta: 585.1MB). Free memory was 113.8MB in the beginning and 354.4MB in the end (delta: -240.7MB). Peak memory consumption was 344.3MB. Max. memory is 16.1GB. [2024-11-08 18:33:52,600 INFO L158 Benchmark]: Witness Printer took 148.26ms. Allocated memory is still 740.3MB. Free memory was 354.4MB in the beginning and 350.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:33:52,603 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 78.0MB in the beginning and 78.0MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1514.79ms. Allocated memory is still 155.2MB. Free memory was 111.1MB in the beginning and 108.1MB in the end (delta: 3.1MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.71ms. Allocated memory is still 155.2MB. Free memory was 108.1MB in the beginning and 104.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.83ms. Allocated memory is still 155.2MB. Free memory was 104.7MB in the beginning and 100.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1127.04ms. Allocated memory is still 155.2MB. Free memory was 100.5MB in the beginning and 114.6MB in the end (delta: -14.2MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * TraceAbstraction took 24023.55ms. Allocated memory was 155.2MB in the beginning and 740.3MB in the end (delta: 585.1MB). Free memory was 113.8MB in the beginning and 354.4MB in the end (delta: -240.7MB). Peak memory consumption was 344.3MB. Max. memory is 16.1GB. * Witness Printer took 148.26ms. Allocated memory is still 740.3MB. Free memory was 354.4MB in the beginning and 350.1MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1795]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 133 locations, 19 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: 23.9s, OverallIterations: 16, TraceHistogramMax: 3, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 951 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 841 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3825 IncrementalHoareTripleChecker+Invalid, 3867 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 19 mSDtfsCounter, 3825 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 187 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred in iteration=14, InterpolantAutomatonStates: 64, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 505 NumberOfCodeBlocks, 493 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 577 ConstructedInterpolants, 86 QuantifiedInterpolants, 6187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 486 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 47/81 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 18:33:52,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae405dc-6760-4e89-a924-86c2e0e93bf6/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE