./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/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_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU --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-4fc63b2 [2024-10-31 22:06:58,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:06:58,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-31 22:06:58,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:06:58,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:06:58,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:06:58,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:06:58,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:06:58,583 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:06:58,585 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:06:58,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:06:58,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:06:58,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:06:58,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:06:58,590 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:06:58,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:06:58,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:06:58,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:06:58,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:06:58,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:06:58,596 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 22:06:58,597 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 22:06:58,597 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 22:06:58,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:06:58,598 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:06:58,598 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:06:58,599 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:06:58,599 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:06:58,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:06:58,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:06:58,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:06:58,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:06:58,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:06:58,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:58,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:06:58,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:06:58,604 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:06:58,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:06:58,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:06:58,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:06:58,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:06:58,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:06:58,616 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_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d [2024-10-31 22:06:58,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:06:58,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:06:58,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:06:58,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:06:58,991 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:06:58,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i Unable to find full path for "g++" [2024-10-31 22:07:01,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:07:01,402 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:07:01,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2024-10-31 22:07:01,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/data/6e6173e2e/f0deb61a706b499eb0723787f829e481/FLAG163417f6b [2024-10-31 22:07:01,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/data/6e6173e2e/f0deb61a706b499eb0723787f829e481 [2024-10-31 22:07:01,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:07:01,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:07:01,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:01,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:07:01,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:07:01,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:01" (1/1) ... [2024-10-31 22:07:01,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28915ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:01, skipping insertion in model container [2024-10-31 22:07:01,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:01" (1/1) ... [2024-10-31 22:07:01,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:07:02,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:02,604 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:07:02,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:02,856 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:02,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02 WrapperNode [2024-10-31 22:07:02,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:02,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:02,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:02,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:02,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (1/1) ... [2024-10-31 22:07:02,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (1/1) ... [2024-10-31 22:07:02,937 INFO L138 Inliner]: procedures = 487, calls = 37, calls flagged for inlining = 16, calls inlined = 21, statements flattened = 215 [2024-10-31 22:07:02,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:02,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:02,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:02,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:02,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (1/1) ... [2024-10-31 22:07:02,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (1/1) ... [2024-10-31 22:07:02,962 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (1/1) ... [2024-10-31 22:07:02,984 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]. [2024-10-31 22:07:02,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (1/1) ... [2024-10-31 22:07:02,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (1/1) ... [2024-10-31 22:07:02,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (1/1) ... [2024-10-31 22:07:03,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (1/1) ... [2024-10-31 22:07:03,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (1/1) ... [2024-10-31 22:07:03,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (1/1) ... [2024-10-31 22:07:03,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:03,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:03,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:03,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:03,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (1/1) ... [2024-10-31 22:07:03,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:03,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:03,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:03,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2024-10-31 22:07:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2024-10-31 22:07:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:07:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2024-10-31 22:07:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2024-10-31 22:07:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:07:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:07:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:07:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:07:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:07:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:07:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:07:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:07:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:07:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:07:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:07:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:07:03,116 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:07:03,438 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:03,440 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:07:03,829 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:07:03,829 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:07:03,994 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:07:03,995 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:07:03,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:03 BoogieIcfgContainer [2024-10-31 22:07:03,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:07:03,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:07:03,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:07:04,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:07:04,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:07:01" (1/3) ... [2024-10-31 22:07:04,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c42273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:04, skipping insertion in model container [2024-10-31 22:07:04,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:02" (2/3) ... [2024-10-31 22:07:04,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c42273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:04, skipping insertion in model container [2024-10-31 22:07:04,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:03" (3/3) ... [2024-10-31 22:07:04,005 INFO L112 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2024-10-31 22:07:04,023 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:07:04,023 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-10-31 22:07:04,023 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:07:04,101 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-10-31 22:07:04,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 152 transitions, 331 flow [2024-10-31 22:07:04,200 INFO L124 PetriNetUnfolderBase]: 36/156 cut-off events. [2024-10-31 22:07:04,200 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:07:04,204 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. [2024-10-31 22:07:04,204 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 152 transitions, 331 flow [2024-10-31 22:07:04,209 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 106 transitions, 228 flow [2024-10-31 22:07:04,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:07:04,225 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;@7f9ea87d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:07:04,226 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2024-10-31 22:07:04,229 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:07:04,230 INFO L124 PetriNetUnfolderBase]: 2/10 cut-off events. [2024-10-31 22:07:04,230 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:07:04,230 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:04,231 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-10-31 22:07:04,231 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)] === [2024-10-31 22:07:04,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:04,237 INFO L85 PathProgramCache]: Analyzing trace with hash 18974977, now seen corresponding path program 1 times [2024-10-31 22:07:04,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:04,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176951610] [2024-10-31 22:07:04,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:04,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:04,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:04,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176951610] [2024-10-31 22:07:04,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176951610] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:04,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:04,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:04,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381789558] [2024-10-31 22:07:04,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:04,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:04,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:04,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:04,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:04,808 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 152 [2024-10-31 22:07:04,813 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) [2024-10-31 22:07:04,816 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:04,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 152 [2024-10-31 22:07:04,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:05,609 INFO L124 PetriNetUnfolderBase]: 2021/3758 cut-off events. [2024-10-31 22:07:05,609 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-10-31 22:07:05,623 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. [2024-10-31 22:07:05,645 INFO L140 encePairwiseOnDemand]: 135/152 looper letters, 54 selfloop transitions, 6 changer transitions 0/88 dead transitions. [2024-10-31 22:07:05,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 88 transitions, 312 flow [2024-10-31 22:07:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:05,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2024-10-31 22:07:05,660 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5109649122807017 [2024-10-31 22:07:05,662 INFO L175 Difference]: Start difference. First operand has 86 places, 106 transitions, 228 flow. Second operand 3 states and 233 transitions. [2024-10-31 22:07:05,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 88 transitions, 312 flow [2024-10-31 22:07:05,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 88 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:05,674 INFO L231 Difference]: Finished difference. Result has 71 places, 77 transitions, 178 flow [2024-10-31 22:07:05,678 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} [2024-10-31 22:07:05,682 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -15 predicate places. [2024-10-31 22:07:05,683 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 77 transitions, 178 flow [2024-10-31 22:07:05,683 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) [2024-10-31 22:07:05,683 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:05,684 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:05,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:07:05,684 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)] === [2024-10-31 22:07:05,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:05,687 INFO L85 PathProgramCache]: Analyzing trace with hash -731045201, now seen corresponding path program 1 times [2024-10-31 22:07:05,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:05,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314485149] [2024-10-31 22:07:05,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:05,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:05,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:05,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314485149] [2024-10-31 22:07:05,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314485149] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:05,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:05,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:07:05,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478258778] [2024-10-31 22:07:05,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:05,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:07:05,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:05,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:07:05,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:07:05,932 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 152 [2024-10-31 22:07:05,933 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) [2024-10-31 22:07:05,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:05,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 152 [2024-10-31 22:07:05,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:06,450 INFO L124 PetriNetUnfolderBase]: 1295/2395 cut-off events. [2024-10-31 22:07:06,451 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-10-31 22:07:06,455 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. [2024-10-31 22:07:06,467 INFO L140 encePairwiseOnDemand]: 148/152 looper letters, 108 selfloop transitions, 3 changer transitions 2/144 dead transitions. [2024-10-31 22:07:06,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 144 transitions, 556 flow [2024-10-31 22:07:06,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:07:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 22:07:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 338 transitions. [2024-10-31 22:07:06,470 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.555921052631579 [2024-10-31 22:07:06,471 INFO L175 Difference]: Start difference. First operand has 71 places, 77 transitions, 178 flow. Second operand 4 states and 338 transitions. [2024-10-31 22:07:06,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 144 transitions, 556 flow [2024-10-31 22:07:06,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 144 transitions, 544 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:06,481 INFO L231 Difference]: Finished difference. Result has 74 places, 78 transitions, 183 flow [2024-10-31 22:07:06,482 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} [2024-10-31 22:07:06,484 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -12 predicate places. [2024-10-31 22:07:06,484 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 78 transitions, 183 flow [2024-10-31 22:07:06,485 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) [2024-10-31 22:07:06,486 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:06,486 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:06,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:07:06,486 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)] === [2024-10-31 22:07:06,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:06,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1901598, now seen corresponding path program 1 times [2024-10-31 22:07:06,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:06,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491261527] [2024-10-31 22:07:06,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:06,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:06,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:06,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491261527] [2024-10-31 22:07:06,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491261527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:06,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:06,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:07:06,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010281956] [2024-10-31 22:07:06,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:06,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:06,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:06,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:06,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:06,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-10-31 22:07:06,587 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) [2024-10-31 22:07:06,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:06,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-10-31 22:07:06,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:07,178 INFO L124 PetriNetUnfolderBase]: 2329/4170 cut-off events. [2024-10-31 22:07:07,178 INFO L125 PetriNetUnfolderBase]: For 2902/2902 co-relation queries the response was YES. [2024-10-31 22:07:07,187 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. [2024-10-31 22:07:07,208 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 70 selfloop transitions, 4 changer transitions 6/109 dead transitions. [2024-10-31 22:07:07,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 109 transitions, 417 flow [2024-10-31 22:07:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:07,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:07,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 244 transitions. [2024-10-31 22:07:07,211 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5350877192982456 [2024-10-31 22:07:07,211 INFO L175 Difference]: Start difference. First operand has 74 places, 78 transitions, 183 flow. Second operand 3 states and 244 transitions. [2024-10-31 22:07:07,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 109 transitions, 417 flow [2024-10-31 22:07:07,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 109 transitions, 415 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:07:07,216 INFO L231 Difference]: Finished difference. Result has 76 places, 75 transitions, 194 flow [2024-10-31 22:07:07,216 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} [2024-10-31 22:07:07,217 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -10 predicate places. [2024-10-31 22:07:07,217 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 75 transitions, 194 flow [2024-10-31 22:07:07,218 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) [2024-10-31 22:07:07,218 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:07,218 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:07,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:07:07,218 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)] === [2024-10-31 22:07:07,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:07,219 INFO L85 PathProgramCache]: Analyzing trace with hash 509677974, now seen corresponding path program 1 times [2024-10-31 22:07:07,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:07,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334873694] [2024-10-31 22:07:07,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:07,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:07,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:07,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334873694] [2024-10-31 22:07:07,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334873694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:07,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:07,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:07:07,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426788230] [2024-10-31 22:07:07,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:07,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:07,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:07,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:07,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:07,420 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2024-10-31 22:07:07,421 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) [2024-10-31 22:07:07,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:07,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2024-10-31 22:07:07,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:08,065 INFO L124 PetriNetUnfolderBase]: 2336/4118 cut-off events. [2024-10-31 22:07:08,065 INFO L125 PetriNetUnfolderBase]: For 3366/3368 co-relation queries the response was YES. [2024-10-31 22:07:08,074 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. [2024-10-31 22:07:08,094 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 56 selfloop transitions, 4 changer transitions 0/84 dead transitions. [2024-10-31 22:07:08,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 84 transitions, 351 flow [2024-10-31 22:07:08,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:08,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:08,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 221 transitions. [2024-10-31 22:07:08,097 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48464912280701755 [2024-10-31 22:07:08,097 INFO L175 Difference]: Start difference. First operand has 76 places, 75 transitions, 194 flow. Second operand 3 states and 221 transitions. [2024-10-31 22:07:08,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 84 transitions, 351 flow [2024-10-31 22:07:08,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 84 transitions, 316 flow, removed 1 selfloop flow, removed 5 redundant places. [2024-10-31 22:07:08,101 INFO L231 Difference]: Finished difference. Result has 65 places, 69 transitions, 170 flow [2024-10-31 22:07:08,102 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} [2024-10-31 22:07:08,103 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2024-10-31 22:07:08,103 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 69 transitions, 170 flow [2024-10-31 22:07:08,103 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) [2024-10-31 22:07:08,103 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:08,104 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:08,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:07:08,104 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)] === [2024-10-31 22:07:08,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:08,105 INFO L85 PathProgramCache]: Analyzing trace with hash 432892749, now seen corresponding path program 1 times [2024-10-31 22:07:08,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:08,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468278177] [2024-10-31 22:07:08,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:08,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:08,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:08,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468278177] [2024-10-31 22:07:08,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468278177] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:08,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:08,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:08,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533002972] [2024-10-31 22:07:08,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:08,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:08,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:08,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:08,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:08,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-10-31 22:07:08,280 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) [2024-10-31 22:07:08,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:08,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-10-31 22:07:08,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:08,899 INFO L124 PetriNetUnfolderBase]: 2363/4298 cut-off events. [2024-10-31 22:07:08,899 INFO L125 PetriNetUnfolderBase]: For 606/612 co-relation queries the response was YES. [2024-10-31 22:07:08,910 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. [2024-10-31 22:07:08,932 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 71 selfloop transitions, 5 changer transitions 0/101 dead transitions. [2024-10-31 22:07:08,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 101 transitions, 406 flow [2024-10-31 22:07:08,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:08,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 240 transitions. [2024-10-31 22:07:08,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5263157894736842 [2024-10-31 22:07:08,935 INFO L175 Difference]: Start difference. First operand has 65 places, 69 transitions, 170 flow. Second operand 3 states and 240 transitions. [2024-10-31 22:07:08,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 101 transitions, 406 flow [2024-10-31 22:07:08,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 101 transitions, 390 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:08,940 INFO L231 Difference]: Finished difference. Result has 67 places, 71 transitions, 192 flow [2024-10-31 22:07:08,940 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} [2024-10-31 22:07:08,942 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -19 predicate places. [2024-10-31 22:07:08,943 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 71 transitions, 192 flow [2024-10-31 22:07:08,943 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) [2024-10-31 22:07:08,943 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:08,944 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:08,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:07:08,944 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)] === [2024-10-31 22:07:08,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:08,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1138683084, now seen corresponding path program 1 times [2024-10-31 22:07:08,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:08,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127895771] [2024-10-31 22:07:08,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:08,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:09,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:09,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127895771] [2024-10-31 22:07:09,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127895771] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:09,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:09,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:09,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510648763] [2024-10-31 22:07:09,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:09,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:09,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:09,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:09,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:09,154 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-10-31 22:07:09,155 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) [2024-10-31 22:07:09,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:09,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-10-31 22:07:09,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:09,882 INFO L124 PetriNetUnfolderBase]: 2350/4259 cut-off events. [2024-10-31 22:07:09,882 INFO L125 PetriNetUnfolderBase]: For 1944/1954 co-relation queries the response was YES. [2024-10-31 22:07:09,894 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. [2024-10-31 22:07:09,916 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 72 selfloop transitions, 3 changer transitions 0/100 dead transitions. [2024-10-31 22:07:09,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 100 transitions, 413 flow [2024-10-31 22:07:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:09,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 237 transitions. [2024-10-31 22:07:09,921 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5197368421052632 [2024-10-31 22:07:09,921 INFO L175 Difference]: Start difference. First operand has 67 places, 71 transitions, 192 flow. Second operand 3 states and 237 transitions. [2024-10-31 22:07:09,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 100 transitions, 413 flow [2024-10-31 22:07:09,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 100 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:09,935 INFO L231 Difference]: Finished difference. Result has 66 places, 70 transitions, 186 flow [2024-10-31 22:07:09,935 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} [2024-10-31 22:07:09,936 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -20 predicate places. [2024-10-31 22:07:09,936 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 70 transitions, 186 flow [2024-10-31 22:07:09,937 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) [2024-10-31 22:07:09,937 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:09,937 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:09,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:07:09,938 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)] === [2024-10-31 22:07:09,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:09,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1625422643, now seen corresponding path program 1 times [2024-10-31 22:07:09,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:09,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302645814] [2024-10-31 22:07:09,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:09,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:10,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:10,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302645814] [2024-10-31 22:07:10,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302645814] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:10,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:10,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:07:10,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270815549] [2024-10-31 22:07:10,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:10,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:10,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:10,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:10,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:10,149 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-10-31 22:07:10,150 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) [2024-10-31 22:07:10,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:10,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-10-31 22:07:10,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:10,811 INFO L124 PetriNetUnfolderBase]: 2349/4021 cut-off events. [2024-10-31 22:07:10,811 INFO L125 PetriNetUnfolderBase]: For 1943/1947 co-relation queries the response was YES. [2024-10-31 22:07:10,819 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. [2024-10-31 22:07:10,835 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 64 selfloop transitions, 2 changer transitions 2/90 dead transitions. [2024-10-31 22:07:10,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 90 transitions, 389 flow [2024-10-31 22:07:10,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:10,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2024-10-31 22:07:10,837 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49780701754385964 [2024-10-31 22:07:10,837 INFO L175 Difference]: Start difference. First operand has 66 places, 70 transitions, 186 flow. Second operand 3 states and 227 transitions. [2024-10-31 22:07:10,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 90 transitions, 389 flow [2024-10-31 22:07:10,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 90 transitions, 377 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:10,842 INFO L231 Difference]: Finished difference. Result has 63 places, 66 transitions, 174 flow [2024-10-31 22:07:10,842 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} [2024-10-31 22:07:10,843 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -23 predicate places. [2024-10-31 22:07:10,843 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 66 transitions, 174 flow [2024-10-31 22:07:10,843 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) [2024-10-31 22:07:10,844 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:10,844 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:10,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:07:10,844 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)] === [2024-10-31 22:07:10,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:10,845 INFO L85 PathProgramCache]: Analyzing trace with hash 406975608, now seen corresponding path program 1 times [2024-10-31 22:07:10,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:10,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783041414] [2024-10-31 22:07:10,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:10,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:10,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:10,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783041414] [2024-10-31 22:07:10,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783041414] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:10,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:10,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:07:10,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566807599] [2024-10-31 22:07:10,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:10,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:10,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:10,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:10,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:10,952 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 152 [2024-10-31 22:07:10,953 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) [2024-10-31 22:07:10,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:10,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 152 [2024-10-31 22:07:10,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:11,394 INFO L124 PetriNetUnfolderBase]: 2070/3671 cut-off events. [2024-10-31 22:07:11,394 INFO L125 PetriNetUnfolderBase]: For 1018/1021 co-relation queries the response was YES. [2024-10-31 22:07:11,405 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. [2024-10-31 22:07:11,419 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 60 selfloop transitions, 3 changer transitions 2/85 dead transitions. [2024-10-31 22:07:11,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 85 transitions, 357 flow [2024-10-31 22:07:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2024-10-31 22:07:11,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4780701754385965 [2024-10-31 22:07:11,421 INFO L175 Difference]: Start difference. First operand has 63 places, 66 transitions, 174 flow. Second operand 3 states and 218 transitions. [2024-10-31 22:07:11,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 85 transitions, 357 flow [2024-10-31 22:07:11,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 85 transitions, 343 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:07:11,427 INFO L231 Difference]: Finished difference. Result has 61 places, 65 transitions, 183 flow [2024-10-31 22:07:11,428 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} [2024-10-31 22:07:11,428 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -25 predicate places. [2024-10-31 22:07:11,429 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 65 transitions, 183 flow [2024-10-31 22:07:11,429 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) [2024-10-31 22:07:11,429 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:11,429 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] [2024-10-31 22:07:11,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:07:11,430 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)] === [2024-10-31 22:07:11,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:11,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1418178821, now seen corresponding path program 1 times [2024-10-31 22:07:11,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:11,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384960606] [2024-10-31 22:07:11,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:11,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:07:11,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:11,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384960606] [2024-10-31 22:07:11,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384960606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:11,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:11,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:11,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760171919] [2024-10-31 22:07:11,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:11,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:07:11,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:11,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:07:11,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:07:11,721 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-10-31 22:07:11,722 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) [2024-10-31 22:07:11,722 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:11,722 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-10-31 22:07:11,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:12,267 INFO L124 PetriNetUnfolderBase]: 2173/3984 cut-off events. [2024-10-31 22:07:12,268 INFO L125 PetriNetUnfolderBase]: For 1259/1265 co-relation queries the response was YES. [2024-10-31 22:07:12,277 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. [2024-10-31 22:07:12,290 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 85 selfloop transitions, 4 changer transitions 8/118 dead transitions. [2024-10-31 22:07:12,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 118 transitions, 506 flow [2024-10-31 22:07:12,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:07:12,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 22:07:12,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 316 transitions. [2024-10-31 22:07:12,292 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5197368421052632 [2024-10-31 22:07:12,292 INFO L175 Difference]: Start difference. First operand has 61 places, 65 transitions, 183 flow. Second operand 4 states and 316 transitions. [2024-10-31 22:07:12,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 118 transitions, 506 flow [2024-10-31 22:07:12,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 118 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:12,297 INFO L231 Difference]: Finished difference. Result has 64 places, 66 transitions, 202 flow [2024-10-31 22:07:12,298 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} [2024-10-31 22:07:12,299 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -22 predicate places. [2024-10-31 22:07:12,299 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 66 transitions, 202 flow [2024-10-31 22:07:12,300 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) [2024-10-31 22:07:12,300 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:12,300 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] [2024-10-31 22:07:12,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:07:12,300 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)] === [2024-10-31 22:07:12,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:12,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1187478350, now seen corresponding path program 1 times [2024-10-31 22:07:12,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:12,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013547966] [2024-10-31 22:07:12,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:12,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:07:12,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:12,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013547966] [2024-10-31 22:07:12,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013547966] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:12,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:12,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:12,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256142727] [2024-10-31 22:07:12,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:12,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:12,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:12,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:12,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:12,474 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-10-31 22:07:12,475 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) [2024-10-31 22:07:12,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:12,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-10-31 22:07:12,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:12,909 INFO L124 PetriNetUnfolderBase]: 1938/3588 cut-off events. [2024-10-31 22:07:12,910 INFO L125 PetriNetUnfolderBase]: For 2212/2213 co-relation queries the response was YES. [2024-10-31 22:07:12,919 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. [2024-10-31 22:07:12,932 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 52 selfloop transitions, 5 changer transitions 0/78 dead transitions. [2024-10-31 22:07:12,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 78 transitions, 344 flow [2024-10-31 22:07:12,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2024-10-31 22:07:12,934 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4780701754385965 [2024-10-31 22:07:12,934 INFO L175 Difference]: Start difference. First operand has 64 places, 66 transitions, 202 flow. Second operand 3 states and 218 transitions. [2024-10-31 22:07:12,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 78 transitions, 344 flow [2024-10-31 22:07:12,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 78 transitions, 331 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-10-31 22:07:12,941 INFO L231 Difference]: Finished difference. Result has 62 places, 65 transitions, 197 flow [2024-10-31 22:07:12,942 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} [2024-10-31 22:07:12,944 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -24 predicate places. [2024-10-31 22:07:12,945 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 65 transitions, 197 flow [2024-10-31 22:07:12,945 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) [2024-10-31 22:07:12,945 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:12,945 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] [2024-10-31 22:07:12,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:07:12,946 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)] === [2024-10-31 22:07:12,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:12,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1187478349, now seen corresponding path program 1 times [2024-10-31 22:07:12,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:12,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625606879] [2024-10-31 22:07:12,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:12,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:13,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:07:13,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:13,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625606879] [2024-10-31 22:07:13,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625606879] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:13,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:13,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:13,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359439692] [2024-10-31 22:07:13,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:13,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:07:13,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:13,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:07:13,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:07:13,058 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-10-31 22:07:13,058 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) [2024-10-31 22:07:13,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:13,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-10-31 22:07:13,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:13,498 INFO L124 PetriNetUnfolderBase]: 1938/3583 cut-off events. [2024-10-31 22:07:13,498 INFO L125 PetriNetUnfolderBase]: For 1979/1980 co-relation queries the response was YES. [2024-10-31 22:07:13,508 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. [2024-10-31 22:07:13,520 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 52 selfloop transitions, 5 changer transitions 0/77 dead transitions. [2024-10-31 22:07:13,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 77 transitions, 339 flow [2024-10-31 22:07:13,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:07:13,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:07:13,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2024-10-31 22:07:13,522 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4780701754385965 [2024-10-31 22:07:13,522 INFO L175 Difference]: Start difference. First operand has 62 places, 65 transitions, 197 flow. Second operand 3 states and 218 transitions. [2024-10-31 22:07:13,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 77 transitions, 339 flow [2024-10-31 22:07:13,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 77 transitions, 329 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:13,528 INFO L231 Difference]: Finished difference. Result has 61 places, 64 transitions, 195 flow [2024-10-31 22:07:13,531 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} [2024-10-31 22:07:13,532 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -25 predicate places. [2024-10-31 22:07:13,532 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 64 transitions, 195 flow [2024-10-31 22:07:13,532 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) [2024-10-31 22:07:13,532 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:13,532 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] [2024-10-31 22:07:13,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:07:13,533 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)] === [2024-10-31 22:07:13,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:13,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1082563405, now seen corresponding path program 1 times [2024-10-31 22:07:13,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:13,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860688382] [2024-10-31 22:07:13,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:13,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:07:14,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:14,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860688382] [2024-10-31 22:07:14,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860688382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:14,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:14,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:07:14,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891079062] [2024-10-31 22:07:14,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:14,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:07:14,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:14,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:07:14,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:07:14,025 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2024-10-31 22:07:14,026 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) [2024-10-31 22:07:14,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:14,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2024-10-31 22:07:14,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:14,695 INFO L124 PetriNetUnfolderBase]: 2098/3919 cut-off events. [2024-10-31 22:07:14,695 INFO L125 PetriNetUnfolderBase]: For 2128/2140 co-relation queries the response was YES. [2024-10-31 22:07:14,703 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. [2024-10-31 22:07:14,715 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 80 selfloop transitions, 9 changer transitions 0/108 dead transitions. [2024-10-31 22:07:14,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 108 transitions, 493 flow [2024-10-31 22:07:14,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:07:14,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 22:07:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 301 transitions. [2024-10-31 22:07:14,717 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49506578947368424 [2024-10-31 22:07:14,717 INFO L175 Difference]: Start difference. First operand has 61 places, 64 transitions, 195 flow. Second operand 4 states and 301 transitions. [2024-10-31 22:07:14,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 108 transitions, 493 flow [2024-10-31 22:07:14,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 108 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:07:14,724 INFO L231 Difference]: Finished difference. Result has 65 places, 68 transitions, 253 flow [2024-10-31 22:07:14,724 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} [2024-10-31 22:07:14,725 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2024-10-31 22:07:14,725 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 68 transitions, 253 flow [2024-10-31 22:07:14,725 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) [2024-10-31 22:07:14,725 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:14,725 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] [2024-10-31 22:07:14,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:07:14,726 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)] === [2024-10-31 22:07:14,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:14,726 INFO L85 PathProgramCache]: Analyzing trace with hash 319736429, now seen corresponding path program 2 times [2024-10-31 22:07:14,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:14,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949031576] [2024-10-31 22:07:14,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:14,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,030 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:07:15,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:15,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949031576] [2024-10-31 22:07:15,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949031576] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:15,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:15,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:07:15,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974109904] [2024-10-31 22:07:15,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:15,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:07:15,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:15,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:07:15,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:07:15,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2024-10-31 22:07:15,060 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) [2024-10-31 22:07:15,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:15,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2024-10-31 22:07:15,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:15,689 INFO L124 PetriNetUnfolderBase]: 2089/3891 cut-off events. [2024-10-31 22:07:15,690 INFO L125 PetriNetUnfolderBase]: For 4196/4214 co-relation queries the response was YES. [2024-10-31 22:07:15,701 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. [2024-10-31 22:07:15,713 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 86 selfloop transitions, 14 changer transitions 0/119 dead transitions. [2024-10-31 22:07:15,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 119 transitions, 580 flow [2024-10-31 22:07:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:07:15,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 22:07:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 362 transitions. [2024-10-31 22:07:15,716 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4763157894736842 [2024-10-31 22:07:15,716 INFO L175 Difference]: Start difference. First operand has 65 places, 68 transitions, 253 flow. Second operand 5 states and 362 transitions. [2024-10-31 22:07:15,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 119 transitions, 580 flow [2024-10-31 22:07:15,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 119 transitions, 574 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-10-31 22:07:15,728 INFO L231 Difference]: Finished difference. Result has 68 places, 70 transitions, 297 flow [2024-10-31 22:07:15,728 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} [2024-10-31 22:07:15,729 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -18 predicate places. [2024-10-31 22:07:15,729 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 70 transitions, 297 flow [2024-10-31 22:07:15,730 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) [2024-10-31 22:07:15,730 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:15,730 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] [2024-10-31 22:07:15,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:07:15,730 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)] === [2024-10-31 22:07:15,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:15,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1726244957, now seen corresponding path program 1 times [2024-10-31 22:07:15,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:15,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404022457] [2024-10-31 22:07:15,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:15,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:16,086 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-31 22:07:16,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:16,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404022457] [2024-10-31 22:07:16,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404022457] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:16,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:16,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:07:16,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755280345] [2024-10-31 22:07:16,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:16,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:07:16,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:16,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:07:16,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:07:16,128 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2024-10-31 22:07:16,129 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) [2024-10-31 22:07:16,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:16,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2024-10-31 22:07:16,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:16,808 INFO L124 PetriNetUnfolderBase]: 2187/4090 cut-off events. [2024-10-31 22:07:16,808 INFO L125 PetriNetUnfolderBase]: For 5808/5832 co-relation queries the response was YES. [2024-10-31 22:07:16,822 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. [2024-10-31 22:07:16,834 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 101 selfloop transitions, 9 changer transitions 8/136 dead transitions. [2024-10-31 22:07:16,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 136 transitions, 698 flow [2024-10-31 22:07:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:07:16,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 22:07:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 386 transitions. [2024-10-31 22:07:16,836 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5078947368421053 [2024-10-31 22:07:16,836 INFO L175 Difference]: Start difference. First operand has 68 places, 70 transitions, 297 flow. Second operand 5 states and 386 transitions. [2024-10-31 22:07:16,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 136 transitions, 698 flow [2024-10-31 22:07:16,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 136 transitions, 688 flow, removed 5 selfloop flow, removed 0 redundant places. [2024-10-31 22:07:16,864 INFO L231 Difference]: Finished difference. Result has 74 places, 70 transitions, 329 flow [2024-10-31 22:07:16,864 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} [2024-10-31 22:07:16,864 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -12 predicate places. [2024-10-31 22:07:16,865 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 70 transitions, 329 flow [2024-10-31 22:07:16,865 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) [2024-10-31 22:07:16,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:16,865 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] [2024-10-31 22:07:16,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:07:16,866 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)] === [2024-10-31 22:07:16,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:16,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1424396863, now seen corresponding path program 2 times [2024-10-31 22:07:16,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:16,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96470995] [2024-10-31 22:07:16,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:16,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:07:17,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:17,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96470995] [2024-10-31 22:07:17,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96470995] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:07:17,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099799347] [2024-10-31 22:07:17,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:07:17,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:17,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:17,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:07:17,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:07:17,556 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:07:17,556 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:07:17,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 22:07:17,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:17,713 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-10-31 22:07:17,714 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 [2024-10-31 22:07:17,764 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-10-31 22:07:17,765 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 [2024-10-31 22:07:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:07:18,228 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:07:19,014 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:07:19,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099799347] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:07:19,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:07:19,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 12 [2024-10-31 22:07:19,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034040480] [2024-10-31 22:07:19,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:07:19,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-31 22:07:19,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:19,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 22:07:19,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:07:19,282 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2024-10-31 22:07:19,283 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) [2024-10-31 22:07:19,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:19,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2024-10-31 22:07:19,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:20,806 INFO L124 PetriNetUnfolderBase]: 2488/4723 cut-off events. [2024-10-31 22:07:20,807 INFO L125 PetriNetUnfolderBase]: For 10118/10148 co-relation queries the response was YES. [2024-10-31 22:07:20,825 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. [2024-10-31 22:07:20,844 INFO L140 encePairwiseOnDemand]: 145/152 looper letters, 92 selfloop transitions, 3 changer transitions 69/182 dead transitions. [2024-10-31 22:07:20,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 182 transitions, 948 flow [2024-10-31 22:07:20,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:07:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-31 22:07:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 587 transitions. [2024-10-31 22:07:20,847 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48273026315789475 [2024-10-31 22:07:20,847 INFO L175 Difference]: Start difference. First operand has 74 places, 70 transitions, 329 flow. Second operand 8 states and 587 transitions. [2024-10-31 22:07:20,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 182 transitions, 948 flow [2024-10-31 22:07:20,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 182 transitions, 913 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-10-31 22:07:20,917 INFO L231 Difference]: Finished difference. Result has 81 places, 69 transitions, 305 flow [2024-10-31 22:07:20,918 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} [2024-10-31 22:07:20,918 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -5 predicate places. [2024-10-31 22:07:20,918 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 69 transitions, 305 flow [2024-10-31 22:07:20,919 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) [2024-10-31 22:07:20,919 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:07:20,919 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] [2024-10-31 22:07:20,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:21,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-31 22:07:21,123 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)] === [2024-10-31 22:07:21,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:21,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2013609243, now seen corresponding path program 3 times [2024-10-31 22:07:21,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:21,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148514369] [2024-10-31 22:07:21,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:21,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:21,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:07:21,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:21,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148514369] [2024-10-31 22:07:21,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148514369] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:07:21,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950801255] [2024-10-31 22:07:21,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 22:07:21,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:21,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:21,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:07:21,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:07:21,801 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-31 22:07:21,801 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:07:21,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 22:07:21,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:21,881 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-10-31 22:07:21,882 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 [2024-10-31 22:07:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:07:22,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:07:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:07:23,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950801255] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:07:23,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:07:23,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 13 [2024-10-31 22:07:23,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841528515] [2024-10-31 22:07:23,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:07:23,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-31 22:07:23,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:23,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-31 22:07:23,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-10-31 22:07:23,555 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2024-10-31 22:07:23,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 69 transitions, 305 flow. Second operand has 15 states, 15 states have (on average 59.333333333333336) internal successors, (890), 15 states have internal predecessors, (890), 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) [2024-10-31 22:07:23,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:07:23,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2024-10-31 22:07:23,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:07:25,218 INFO L124 PetriNetUnfolderBase]: 2053/3827 cut-off events. [2024-10-31 22:07:25,218 INFO L125 PetriNetUnfolderBase]: For 8080/8107 co-relation queries the response was YES. [2024-10-31 22:07:25,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9498 conditions, 3827 events. 2053/3827 cut-off events. For 8080/8107 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 21049 event pairs, 1120 based on Foata normal form. 39/3620 useless extension candidates. Maximal degree in co-relation 9483. Up to 1760 conditions per place. [2024-10-31 22:07:25,245 INFO L140 encePairwiseOnDemand]: 145/152 looper letters, 0 selfloop transitions, 0 changer transitions 162/162 dead transitions. [2024-10-31 22:07:25,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 162 transitions, 790 flow [2024-10-31 22:07:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:07:25,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-31 22:07:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 624 transitions. [2024-10-31 22:07:25,248 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45614035087719296 [2024-10-31 22:07:25,248 INFO L175 Difference]: Start difference. First operand has 81 places, 69 transitions, 305 flow. Second operand 9 states and 624 transitions. [2024-10-31 22:07:25,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 162 transitions, 790 flow [2024-10-31 22:07:25,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 162 transitions, 775 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-10-31 22:07:25,267 INFO L231 Difference]: Finished difference. Result has 79 places, 0 transitions, 0 flow [2024-10-31 22:07:25,268 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=9, PETRI_FLOW=0, PETRI_PLACES=79, PETRI_TRANSITIONS=0} [2024-10-31 22:07:25,268 INFO L277 CegarLoopForPetriNet]: 86 programPoint places, -7 predicate places. [2024-10-31 22:07:25,268 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 0 transitions, 0 flow [2024-10-31 22:07:25,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 59.333333333333336) internal successors, (890), 15 states have internal predecessors, (890), 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) [2024-10-31 22:07:25,273 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK (18 of 19 remaining) [2024-10-31 22:07:25,273 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (17 of 19 remaining) [2024-10-31 22:07:25,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (16 of 19 remaining) [2024-10-31 22:07:25,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (15 of 19 remaining) [2024-10-31 22:07:25,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 19 remaining) [2024-10-31 22:07:25,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 19 remaining) [2024-10-31 22:07:25,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (12 of 19 remaining) [2024-10-31 22:07:25,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 19 remaining) [2024-10-31 22:07:25,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONMEMORY_LEAK (10 of 19 remaining) [2024-10-31 22:07:25,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 19 remaining) [2024-10-31 22:07:25,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 19 remaining) [2024-10-31 22:07:25,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONMEMORY_LEAK (7 of 19 remaining) [2024-10-31 22:07:25,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 19 remaining) [2024-10-31 22:07:25,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 19 remaining) [2024-10-31 22:07:25,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3ASSERT_VIOLATIONMEMORY_LEAK (4 of 19 remaining) [2024-10-31 22:07:25,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 19 remaining) [2024-10-31 22:07:25,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 19 remaining) [2024-10-31 22:07:25,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2ASSERT_VIOLATIONMEMORY_LEAK (1 of 19 remaining) [2024-10-31 22:07:25,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 19 remaining) [2024-10-31 22:07:25,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:25,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-31 22:07:25,479 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:25,486 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:07:25,486 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:07:25,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:07:25 BasicIcfg [2024-10-31 22:07:25,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:07:25,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:07:25,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:07:25,493 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:07:25,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:03" (3/4) ... [2024-10-31 22:07:25,497 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:07:25,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2024-10-31 22:07:25,501 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_usb [2024-10-31 22:07:25,508 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2024-10-31 22:07:25,508 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-31 22:07:25,510 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:07:25,510 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:07:25,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:07:25,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:07:25,621 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:07:25,622 INFO L158 Benchmark]: Toolchain (without parser) took 24079.82ms. Allocated memory was 148.9MB in the beginning and 555.7MB in the end (delta: 406.8MB). Free memory was 119.3MB in the beginning and 253.6MB in the end (delta: -134.3MB). Peak memory consumption was 271.9MB. Max. memory is 16.1GB. [2024-10-31 22:07:25,622 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:25,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1308.99ms. Allocated memory is still 148.9MB. Free memory was 119.3MB in the beginning and 97.1MB in the end (delta: 22.2MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-10-31 22:07:25,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.54ms. Allocated memory is still 148.9MB. Free memory was 97.1MB in the beginning and 93.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:07:25,624 INFO L158 Benchmark]: Boogie Preprocessor took 75.82ms. Allocated memory is still 148.9MB. Free memory was 93.5MB in the beginning and 89.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:07:25,624 INFO L158 Benchmark]: RCFGBuilder took 980.79ms. Allocated memory is still 148.9MB. Free memory was 89.3MB in the beginning and 90.7MB in the end (delta: -1.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-10-31 22:07:25,624 INFO L158 Benchmark]: TraceAbstraction took 21494.92ms. Allocated memory was 148.9MB in the beginning and 555.7MB in the end (delta: 406.8MB). Free memory was 89.6MB in the beginning and 258.8MB in the end (delta: -169.2MB). Peak memory consumption was 332.5MB. Max. memory is 16.1GB. [2024-10-31 22:07:25,626 INFO L158 Benchmark]: Witness Printer took 128.13ms. Allocated memory is still 555.7MB. Free memory was 258.8MB in the beginning and 253.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:07:25,628 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1308.99ms. Allocated memory is still 148.9MB. Free memory was 119.3MB in the beginning and 97.1MB in the end (delta: 22.2MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.54ms. Allocated memory is still 148.9MB. Free memory was 97.1MB in the beginning and 93.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.82ms. Allocated memory is still 148.9MB. Free memory was 93.5MB in the beginning and 89.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 980.79ms. Allocated memory is still 148.9MB. Free memory was 89.3MB in the beginning and 90.7MB in the end (delta: -1.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21494.92ms. Allocated memory was 148.9MB in the beginning and 555.7MB in the end (delta: 406.8MB). Free memory was 89.6MB in the beginning and 258.8MB in the end (delta: -169.2MB). Peak memory consumption was 332.5MB. Max. memory is 16.1GB. * Witness Printer took 128.13ms. Allocated memory is still 555.7MB. Free memory was 258.8MB in the beginning and 253.6MB in the end (delta: 5.2MB). 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: 21.3s, OverallIterations: 16, TraceHistogramMax: 3, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 974 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 866 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3953 IncrementalHoareTripleChecker+Invalid, 3994 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 19 mSDtfsCounter, 3953 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 185 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred in iteration=14, InterpolantAutomatonStates: 66, 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, 0.3s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 505 NumberOfCodeBlocks, 493 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 577 ConstructedInterpolants, 86 QuantifiedInterpolants, 4804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 486 ConjunctsInSsa, 32 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! [2024-10-31 22:07:25,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f5e520-24a3-4307-80c3-ecd1593dfc45/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE