./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 938b60b21c972fc7f556d0694990fba352b46bfd03cbdeaa77f40e339f6c8deb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:42:03,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:42:03,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 11:42:03,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:42:03,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:42:03,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:42:03,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:42:03,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:42:03,103 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:42:03,103 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:42:03,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:42:03,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:42:03,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:42:03,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:42:03,104 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:42:03,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:42:03,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:42:03,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:42:03,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:42:03,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:42:03,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:42:03,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:42:03,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:42:03,105 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:42:03,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:42:03,105 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:42:03,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:42:03,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:42:03,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:42:03,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:42:03,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:42:03,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:42:03,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:42:03,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:42:03,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:42:03,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:42:03,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:42:03,106 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:42:03,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:42:03,106 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:42:03,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:42:03,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:42:03,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:42:03,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:42:03,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:42:03,107 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1 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 ! call(reach_error())) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 938b60b21c972fc7f556d0694990fba352b46bfd03cbdeaa77f40e339f6c8deb [2024-12-02 11:42:03,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:42:03,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:42:03,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:42:03,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:42:03,360 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:42:03,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2024-12-02 11:42:05,980 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/data/41f3c47e9/b7e80cd5744540edae6a7aecaeb04d31/FLAG0fdd775bd [2024-12-02 11:42:06,351 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:42:06,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2024-12-02 11:42:06,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/data/41f3c47e9/b7e80cd5744540edae6a7aecaeb04d31/FLAG0fdd775bd [2024-12-02 11:42:06,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/data/41f3c47e9/b7e80cd5744540edae6a7aecaeb04d31 [2024-12-02 11:42:06,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:42:06,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:42:06,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:42:06,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:42:06,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:42:06,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:42:06" (1/1) ... [2024-12-02 11:42:06,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711077fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:06, skipping insertion in model container [2024-12-02 11:42:06,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:42:06" (1/1) ... [2024-12-02 11:42:06,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:42:06,941 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2024-12-02 11:42:07,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:42:07,252 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:42:07,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [5496-5497] [2024-12-02 11:42:07,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [5508-5509] [2024-12-02 11:42:07,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5512-5513] [2024-12-02 11:42:07,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5516-5517] [2024-12-02 11:42:07,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5520-5521] [2024-12-02 11:42:07,337 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2024-12-02 11:42:07,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:42:07,451 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:42:07,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07 WrapperNode [2024-12-02 11:42:07,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:42:07,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:42:07,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:42:07,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:42:07,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,550 INFO L138 Inliner]: procedures = 138, calls = 566, calls flagged for inlining = 62, calls inlined = 62, statements flattened = 1911 [2024-12-02 11:42:07,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:42:07,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:42:07,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:42:07,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:42:07,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,706 INFO L175 MemorySlicer]: Split 326 memory accesses to 17 slices as follows [2, 8, 3, 5, 2, 2, 3, 7, 3, 14, 19, 19, 44, 10, 8, 53, 124]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 199 writes are split as follows [0, 4, 1, 4, 1, 1, 1, 6, 1, 12, 19, 19, 44, 0, 0, 53, 33]. [2024-12-02 11:42:07,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,759 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:42:07,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:42:07,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:42:07,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:42:07,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (1/1) ... [2024-12-02 11:42:07,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:42:07,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:42:07,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:42:07,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:42:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2024-12-02 11:42:07,882 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2024-12-02 11:42:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 11:42:07,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 11:42:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 11:42:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 11:42:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 11:42:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 11:42:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2024-12-02 11:42:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-12-02 11:42:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 11:42:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 11:42:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 11:42:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 11:42:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 11:42:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-12-02 11:42:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 11:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_suspend [2024-12-02 11:42:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_suspend [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 11:42:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_resume [2024-12-02 11:42:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_resume [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 11:42:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-12-02 11:42:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 11:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 11:42:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 11:42:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 11:42:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 11:42:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 11:42:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 11:42:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 11:42:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 11:42:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 11:42:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 11:42:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 11:42:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 11:42:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 11:42:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 11:42:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 11:42:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 11:42:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 11:42:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 11:42:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 11:42:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:42:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_tx_fixup [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_tx_fixup [2024-12-02 11:42:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 11:42:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-12-02 11:42:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-12-02 11:42:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2024-12-02 11:42:07,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-12-02 11:42:07,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 11:42:07,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 11:42:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 11:42:07,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_bind [2024-12-02 11:42:07,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_bind [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_manage_power [2024-12-02 11:42:07,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_manage_power [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 11:42:07,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 11:42:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 11:42:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_rx_fixup [2024-12-02 11:42:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_rx_fixup [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-02 11:42:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_unbind [2024-12-02 11:42:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_unbind [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_unbind [2024-12-02 11:42:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_unbind [2024-12-02 11:42:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2024-12-02 11:42:07,896 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 11:42:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 11:42:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:42:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2024-12-02 11:42:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2024-12-02 11:42:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 11:42:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 11:42:08,409 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:42:08,412 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:42:08,916 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 11:42:09,149 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-12-02 11:42:15,404 INFO L? ?]: Removed 1202 outVars from TransFormulas that were not future-live. [2024-12-02 11:42:15,404 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:42:15,426 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:42:15,426 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 11:42:15,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:42:15 BoogieIcfgContainer [2024-12-02 11:42:15,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:42:15,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:42:15,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:42:15,432 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:42:15,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:42:06" (1/3) ... [2024-12-02 11:42:15,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32bcf8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:42:15, skipping insertion in model container [2024-12-02 11:42:15,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:42:07" (2/3) ... [2024-12-02 11:42:15,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32bcf8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:42:15, skipping insertion in model container [2024-12-02 11:42:15,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:42:15" (3/3) ... [2024-12-02 11:42:15,435 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2024-12-02 11:42:15,446 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:42:15,448 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i that has 65 procedures, 733 locations, 1 initial locations, 53 loop locations, and 1 error locations. [2024-12-02 11:42:15,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:42:15,511 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5a86db14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:42:15,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:42:15,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 599 states, 468 states have (on average 1.4166666666666667) internal successors, (663), 482 states have internal predecessors, (663), 96 states have call successors, (96), 35 states have call predecessors, (96), 33 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-12-02 11:42:15,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-02 11:42:15,524 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:15,525 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:42:15,525 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:15,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:15,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1234491361, now seen corresponding path program 1 times [2024-12-02 11:42:15,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:15,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496196695] [2024-12-02 11:42:15,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:15,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:42:17,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:17,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496196695] [2024-12-02 11:42:17,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496196695] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:17,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:17,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:42:17,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136969044] [2024-12-02 11:42:17,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:17,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:42:17,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:17,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:42:17,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:17,545 INFO L87 Difference]: Start difference. First operand has 599 states, 468 states have (on average 1.4166666666666667) internal successors, (663), 482 states have internal predecessors, (663), 96 states have call successors, (96), 35 states have call predecessors, (96), 33 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:42:21,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:42:21,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:21,819 INFO L93 Difference]: Finished difference Result 1728 states and 2514 transitions. [2024-12-02 11:42:21,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:42:21,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2024-12-02 11:42:21,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:21,840 INFO L225 Difference]: With dead ends: 1728 [2024-12-02 11:42:21,840 INFO L226 Difference]: Without dead ends: 1112 [2024-12-02 11:42:21,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:21,851 INFO L435 NwaCegarLoop]: 858 mSDtfsCounter, 758 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1676 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:21,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 1676 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 11:42:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2024-12-02 11:42:21,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1109. [2024-12-02 11:42:21,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 884 states have (on average 1.4015837104072397) internal successors, (1239), 891 states have internal predecessors, (1239), 163 states have call successors, (163), 62 states have call predecessors, (163), 61 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2024-12-02 11:42:21,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1559 transitions. [2024-12-02 11:42:21,960 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1559 transitions. Word has length 40 [2024-12-02 11:42:21,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:42:21,960 INFO L471 AbstractCegarLoop]: Abstraction has 1109 states and 1559 transitions. [2024-12-02 11:42:21,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 11:42:21,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1559 transitions. [2024-12-02 11:42:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 11:42:21,966 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:21,966 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1] [2024-12-02 11:42:21,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:42:21,967 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:21,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:21,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1546628118, now seen corresponding path program 1 times [2024-12-02 11:42:21,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:21,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406555049] [2024-12-02 11:42:21,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:21,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:23,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:42:23,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:23,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406555049] [2024-12-02 11:42:23,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406555049] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:23,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:23,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:42:23,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420387845] [2024-12-02 11:42:23,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:23,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:42:23,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:23,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:42:23,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:23,627 INFO L87 Difference]: Start difference. First operand 1109 states and 1559 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 11:42:23,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:23,668 INFO L93 Difference]: Finished difference Result 1111 states and 1560 transitions. [2024-12-02 11:42:23,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:42:23,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-12-02 11:42:23,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:23,674 INFO L225 Difference]: With dead ends: 1111 [2024-12-02 11:42:23,674 INFO L226 Difference]: Without dead ends: 1108 [2024-12-02 11:42:23,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:23,675 INFO L435 NwaCegarLoop]: 816 mSDtfsCounter, 790 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:23,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 816 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:42:23,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2024-12-02 11:42:23,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2024-12-02 11:42:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 884 states have (on average 1.4004524886877827) internal successors, (1238), 890 states have internal predecessors, (1238), 162 states have call successors, (162), 62 states have call predecessors, (162), 61 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2024-12-02 11:42:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1557 transitions. [2024-12-02 11:42:23,723 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1557 transitions. Word has length 50 [2024-12-02 11:42:23,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:42:23,723 INFO L471 AbstractCegarLoop]: Abstraction has 1108 states and 1557 transitions. [2024-12-02 11:42:23,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 11:42:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1557 transitions. [2024-12-02 11:42:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-02 11:42:23,726 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:23,726 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1] [2024-12-02 11:42:23,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:42:23,726 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:23,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:23,727 INFO L85 PathProgramCache]: Analyzing trace with hash 700621969, now seen corresponding path program 1 times [2024-12-02 11:42:23,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:23,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011137683] [2024-12-02 11:42:23,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:23,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:25,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:42:25,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:25,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011137683] [2024-12-02 11:42:25,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011137683] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:25,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:25,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:42:25,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354752447] [2024-12-02 11:42:25,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:25,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:42:25,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:25,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:42:25,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:25,382 INFO L87 Difference]: Start difference. First operand 1108 states and 1557 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 11:42:25,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:25,426 INFO L93 Difference]: Finished difference Result 1110 states and 1558 transitions. [2024-12-02 11:42:25,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:42:25,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 51 [2024-12-02 11:42:25,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:25,431 INFO L225 Difference]: With dead ends: 1110 [2024-12-02 11:42:25,431 INFO L226 Difference]: Without dead ends: 1107 [2024-12-02 11:42:25,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:25,433 INFO L435 NwaCegarLoop]: 814 mSDtfsCounter, 787 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:25,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 814 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:42:25,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2024-12-02 11:42:25,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1107. [2024-12-02 11:42:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 884 states have (on average 1.3993212669683257) internal successors, (1237), 889 states have internal predecessors, (1237), 161 states have call successors, (161), 62 states have call predecessors, (161), 61 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2024-12-02 11:42:25,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1555 transitions. [2024-12-02 11:42:25,473 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1555 transitions. Word has length 51 [2024-12-02 11:42:25,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:42:25,474 INFO L471 AbstractCegarLoop]: Abstraction has 1107 states and 1555 transitions. [2024-12-02 11:42:25,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 11:42:25,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1555 transitions. [2024-12-02 11:42:25,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-02 11:42:25,476 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:25,477 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:42:25,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:42:25,477 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:25,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:25,478 INFO L85 PathProgramCache]: Analyzing trace with hash 244239993, now seen corresponding path program 1 times [2024-12-02 11:42:25,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:25,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654189332] [2024-12-02 11:42:25,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:25,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:42:26,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:26,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654189332] [2024-12-02 11:42:26,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654189332] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:26,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:26,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:42:26,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678437100] [2024-12-02 11:42:26,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:26,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:42:26,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:26,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:42:26,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:26,765 INFO L87 Difference]: Start difference. First operand 1107 states and 1555 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 11:42:26,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:26,826 INFO L93 Difference]: Finished difference Result 1109 states and 1556 transitions. [2024-12-02 11:42:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:42:26,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2024-12-02 11:42:26,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:26,834 INFO L225 Difference]: With dead ends: 1109 [2024-12-02 11:42:26,834 INFO L226 Difference]: Without dead ends: 1106 [2024-12-02 11:42:26,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:26,835 INFO L435 NwaCegarLoop]: 812 mSDtfsCounter, 784 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:26,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 812 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:42:26,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2024-12-02 11:42:26,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1106. [2024-12-02 11:42:26,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 884 states have (on average 1.3981900452488687) internal successors, (1236), 888 states have internal predecessors, (1236), 160 states have call successors, (160), 62 states have call predecessors, (160), 61 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2024-12-02 11:42:26,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1553 transitions. [2024-12-02 11:42:26,902 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1553 transitions. Word has length 52 [2024-12-02 11:42:26,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:42:26,902 INFO L471 AbstractCegarLoop]: Abstraction has 1106 states and 1553 transitions. [2024-12-02 11:42:26,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 11:42:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1553 transitions. [2024-12-02 11:42:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-02 11:42:26,905 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:26,905 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:42:26,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:42:26,905 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:26,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:26,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1018694508, now seen corresponding path program 1 times [2024-12-02 11:42:26,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:26,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429882380] [2024-12-02 11:42:26,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:26,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:42:28,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:28,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429882380] [2024-12-02 11:42:28,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429882380] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:28,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:28,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:42:28,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316737098] [2024-12-02 11:42:28,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:28,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:42:28,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:28,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:42:28,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:28,045 INFO L87 Difference]: Start difference. First operand 1106 states and 1553 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 11:42:28,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:28,163 INFO L93 Difference]: Finished difference Result 3263 states and 4612 transitions. [2024-12-02 11:42:28,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:42:28,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2024-12-02 11:42:28,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:28,173 INFO L225 Difference]: With dead ends: 3263 [2024-12-02 11:42:28,174 INFO L226 Difference]: Without dead ends: 2180 [2024-12-02 11:42:28,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:28,178 INFO L435 NwaCegarLoop]: 842 mSDtfsCounter, 776 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 1622 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:28,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 1622 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:42:28,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2180 states. [2024-12-02 11:42:28,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2180 to 2176. [2024-12-02 11:42:28,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2176 states, 1743 states have (on average 1.4004589787722317) internal successors, (2441), 1749 states have internal predecessors, (2441), 313 states have call successors, (313), 120 states have call predecessors, (313), 119 states have return successors, (318), 310 states have call predecessors, (318), 310 states have call successors, (318) [2024-12-02 11:42:28,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 3072 transitions. [2024-12-02 11:42:28,263 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 3072 transitions. Word has length 53 [2024-12-02 11:42:28,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:42:28,263 INFO L471 AbstractCegarLoop]: Abstraction has 2176 states and 3072 transitions. [2024-12-02 11:42:28,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 11:42:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 3072 transitions. [2024-12-02 11:42:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 11:42:28,266 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:28,266 INFO L218 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:42:28,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:42:28,267 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:28,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:28,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1514953508, now seen corresponding path program 1 times [2024-12-02 11:42:28,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:28,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875329754] [2024-12-02 11:42:28,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:28,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:29,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 11:42:29,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:29,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875329754] [2024-12-02 11:42:29,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875329754] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:29,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:29,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:42:29,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456518465] [2024-12-02 11:42:29,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:29,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:42:29,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:29,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:42:29,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:29,534 INFO L87 Difference]: Start difference. First operand 2176 states and 3072 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 11:42:29,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:29,592 INFO L93 Difference]: Finished difference Result 2178 states and 3073 transitions. [2024-12-02 11:42:29,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:42:29,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2024-12-02 11:42:29,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:29,602 INFO L225 Difference]: With dead ends: 2178 [2024-12-02 11:42:29,602 INFO L226 Difference]: Without dead ends: 2166 [2024-12-02 11:42:29,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:29,604 INFO L435 NwaCegarLoop]: 811 mSDtfsCounter, 780 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:29,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [780 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:42:29,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2024-12-02 11:42:29,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 2166. [2024-12-02 11:42:29,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2166 states, 1734 states have (on average 1.400230680507497) internal successors, (2428), 1739 states have internal predecessors, (2428), 312 states have call successors, (312), 120 states have call predecessors, (312), 119 states have return successors, (318), 310 states have call predecessors, (318), 310 states have call successors, (318) [2024-12-02 11:42:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 3058 transitions. [2024-12-02 11:42:29,686 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 3058 transitions. Word has length 54 [2024-12-02 11:42:29,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:42:29,686 INFO L471 AbstractCegarLoop]: Abstraction has 2166 states and 3058 transitions. [2024-12-02 11:42:29,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 11:42:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 3058 transitions. [2024-12-02 11:42:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-02 11:42:29,688 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:29,688 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:42:29,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:42:29,688 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:29,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:29,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1313442233, now seen corresponding path program 1 times [2024-12-02 11:42:29,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:29,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447330162] [2024-12-02 11:42:29,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:29,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:30,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:42:30,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:30,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447330162] [2024-12-02 11:42:30,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447330162] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:30,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:30,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:42:30,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864557871] [2024-12-02 11:42:30,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:30,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:42:30,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:30,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:42:30,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:30,832 INFO L87 Difference]: Start difference. First operand 2166 states and 3058 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 11:42:31,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:31,138 INFO L93 Difference]: Finished difference Result 6284 states and 8844 transitions. [2024-12-02 11:42:31,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:42:31,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2024-12-02 11:42:31,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:31,155 INFO L225 Difference]: With dead ends: 6284 [2024-12-02 11:42:31,155 INFO L226 Difference]: Without dead ends: 4141 [2024-12-02 11:42:31,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:31,163 INFO L435 NwaCegarLoop]: 815 mSDtfsCounter, 727 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:31,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 1571 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:42:31,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4141 states. [2024-12-02 11:42:31,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4141 to 4128. [2024-12-02 11:42:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4128 states, 3322 states have (on average 1.3982540638169778) internal successors, (4645), 3331 states have internal predecessors, (4645), 571 states have call successors, (571), 235 states have call predecessors, (571), 234 states have return successors, (581), 569 states have call predecessors, (581), 569 states have call successors, (581) [2024-12-02 11:42:31,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 4128 states and 5797 transitions. [2024-12-02 11:42:31,315 INFO L78 Accepts]: Start accepts. Automaton has 4128 states and 5797 transitions. Word has length 66 [2024-12-02 11:42:31,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:42:31,315 INFO L471 AbstractCegarLoop]: Abstraction has 4128 states and 5797 transitions. [2024-12-02 11:42:31,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 11:42:31,315 INFO L276 IsEmpty]: Start isEmpty. Operand 4128 states and 5797 transitions. [2024-12-02 11:42:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-02 11:42:31,317 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:31,317 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:42:31,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:42:31,317 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:31,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:31,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1276533338, now seen corresponding path program 1 times [2024-12-02 11:42:31,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:31,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529797166] [2024-12-02 11:42:31,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:31,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:42:32,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:32,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529797166] [2024-12-02 11:42:32,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529797166] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:32,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:32,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:42:32,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412642109] [2024-12-02 11:42:32,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:32,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:42:32,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:32,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:42:32,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:32,759 INFO L87 Difference]: Start difference. First operand 4128 states and 5797 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 11:42:33,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:33,113 INFO L93 Difference]: Finished difference Result 10706 states and 15004 transitions. [2024-12-02 11:42:33,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:42:33,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2024-12-02 11:42:33,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:33,140 INFO L225 Difference]: With dead ends: 10706 [2024-12-02 11:42:33,140 INFO L226 Difference]: Without dead ends: 6611 [2024-12-02 11:42:33,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:33,152 INFO L435 NwaCegarLoop]: 1330 mSDtfsCounter, 738 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:33,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 2086 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:42:33,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6611 states. [2024-12-02 11:42:33,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6611 to 6594. [2024-12-02 11:42:33,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6594 states, 5298 states have (on average 1.3961872404681013) internal successors, (7397), 5313 states have internal predecessors, (7397), 906 states have call successors, (906), 390 states have call predecessors, (906), 389 states have return successors, (920), 902 states have call predecessors, (920), 904 states have call successors, (920) [2024-12-02 11:42:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6594 states to 6594 states and 9223 transitions. [2024-12-02 11:42:33,404 INFO L78 Accepts]: Start accepts. Automaton has 6594 states and 9223 transitions. Word has length 65 [2024-12-02 11:42:33,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:42:33,404 INFO L471 AbstractCegarLoop]: Abstraction has 6594 states and 9223 transitions. [2024-12-02 11:42:33,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 11:42:33,405 INFO L276 IsEmpty]: Start isEmpty. Operand 6594 states and 9223 transitions. [2024-12-02 11:42:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 11:42:33,410 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:33,410 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:42:33,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:42:33,410 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:33,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:33,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1108956866, now seen corresponding path program 1 times [2024-12-02 11:42:33,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:33,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262053765] [2024-12-02 11:42:33,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:33,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:34,817 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 11:42:34,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:34,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262053765] [2024-12-02 11:42:34,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262053765] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:34,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:34,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:42:34,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421322956] [2024-12-02 11:42:34,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:34,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:42:34,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:34,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:42:34,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:34,818 INFO L87 Difference]: Start difference. First operand 6594 states and 9223 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 11:42:38,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:42:39,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:39,339 INFO L93 Difference]: Finished difference Result 16922 states and 23698 transitions. [2024-12-02 11:42:39,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:42:39,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 123 [2024-12-02 11:42:39,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:39,378 INFO L225 Difference]: With dead ends: 16922 [2024-12-02 11:42:39,378 INFO L226 Difference]: Without dead ends: 10373 [2024-12-02 11:42:39,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:39,396 INFO L435 NwaCegarLoop]: 1000 mSDtfsCounter, 739 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 1761 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:39,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 1761 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 11:42:39,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10373 states. [2024-12-02 11:42:39,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10373 to 10356. [2024-12-02 11:42:39,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10356 states, 8374 states have (on average 1.3937186529734893) internal successors, (11671), 8395 states have internal predecessors, (11671), 1374 states have call successors, (1374), 608 states have call predecessors, (1374), 607 states have return successors, (1392), 1368 states have call predecessors, (1392), 1372 states have call successors, (1392) [2024-12-02 11:42:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10356 states to 10356 states and 14437 transitions. [2024-12-02 11:42:39,747 INFO L78 Accepts]: Start accepts. Automaton has 10356 states and 14437 transitions. Word has length 123 [2024-12-02 11:42:39,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:42:39,747 INFO L471 AbstractCegarLoop]: Abstraction has 10356 states and 14437 transitions. [2024-12-02 11:42:39,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 11:42:39,747 INFO L276 IsEmpty]: Start isEmpty. Operand 10356 states and 14437 transitions. [2024-12-02 11:42:39,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 11:42:39,754 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:39,754 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:42:39,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 11:42:39,754 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:39,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:39,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1896088814, now seen corresponding path program 1 times [2024-12-02 11:42:39,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:39,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383447633] [2024-12-02 11:42:39,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:39,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:40,986 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 11:42:40,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:40,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383447633] [2024-12-02 11:42:40,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383447633] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:40,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:40,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:42:40,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624630112] [2024-12-02 11:42:40,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:40,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:42:40,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:40,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:42:40,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:40,989 INFO L87 Difference]: Start difference. First operand 10356 states and 14437 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 11:42:45,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:42:45,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:45,742 INFO L93 Difference]: Finished difference Result 26192 states and 36562 transitions. [2024-12-02 11:42:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:42:45,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 124 [2024-12-02 11:42:45,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:45,803 INFO L225 Difference]: With dead ends: 26192 [2024-12-02 11:42:45,803 INFO L226 Difference]: Without dead ends: 15881 [2024-12-02 11:42:45,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:45,835 INFO L435 NwaCegarLoop]: 980 mSDtfsCounter, 731 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:45,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 1731 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 11:42:45,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15881 states. [2024-12-02 11:42:46,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15881 to 15868. [2024-12-02 11:42:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15868 states, 12912 states have (on average 1.391960966542751) internal successors, (17973), 12937 states have internal predecessors, (17973), 2030 states have call successors, (2030), 926 states have call predecessors, (2030), 925 states have return successors, (2052), 2024 states have call predecessors, (2052), 2028 states have call successors, (2052) [2024-12-02 11:42:46,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15868 states to 15868 states and 22055 transitions. [2024-12-02 11:42:46,577 INFO L78 Accepts]: Start accepts. Automaton has 15868 states and 22055 transitions. Word has length 124 [2024-12-02 11:42:46,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:42:46,578 INFO L471 AbstractCegarLoop]: Abstraction has 15868 states and 22055 transitions. [2024-12-02 11:42:46,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 11:42:46,578 INFO L276 IsEmpty]: Start isEmpty. Operand 15868 states and 22055 transitions. [2024-12-02 11:42:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 11:42:46,581 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:46,581 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:42:46,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 11:42:46,582 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:46,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:46,582 INFO L85 PathProgramCache]: Analyzing trace with hash -482198715, now seen corresponding path program 1 times [2024-12-02 11:42:46,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:46,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103379327] [2024-12-02 11:42:46,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:46,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-12-02 11:42:48,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:48,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103379327] [2024-12-02 11:42:48,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103379327] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:48,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:48,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:42:48,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749227707] [2024-12-02 11:42:48,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:48,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:42:48,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:48,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:42:48,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:42:48,278 INFO L87 Difference]: Start difference. First operand 15868 states and 22055 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 11:42:52,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:42:55,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:55,245 INFO L93 Difference]: Finished difference Result 23774 states and 33103 transitions. [2024-12-02 11:42:55,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:42:55,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 123 [2024-12-02 11:42:55,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:55,319 INFO L225 Difference]: With dead ends: 23774 [2024-12-02 11:42:55,319 INFO L226 Difference]: Without dead ends: 23771 [2024-12-02 11:42:55,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:42:55,327 INFO L435 NwaCegarLoop]: 1574 mSDtfsCounter, 1508 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 2830 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:55,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 2830 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 350 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-12-02 11:42:55,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23771 states. [2024-12-02 11:42:56,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23771 to 23757. [2024-12-02 11:42:56,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23757 states, 19332 states have (on average 1.3926650113800951) internal successors, (26923), 19369 states have internal predecessors, (26923), 3040 states have call successors, (3040), 1385 states have call predecessors, (3040), 1384 states have return successors, (3110), 3032 states have call predecessors, (3110), 3038 states have call successors, (3110) [2024-12-02 11:42:56,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23757 states to 23757 states and 33073 transitions. [2024-12-02 11:42:56,396 INFO L78 Accepts]: Start accepts. Automaton has 23757 states and 33073 transitions. Word has length 123 [2024-12-02 11:42:56,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:42:56,396 INFO L471 AbstractCegarLoop]: Abstraction has 23757 states and 33073 transitions. [2024-12-02 11:42:56,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 11:42:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 23757 states and 33073 transitions. [2024-12-02 11:42:56,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 11:42:56,403 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:56,403 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:42:56,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 11:42:56,404 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:42:56,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:56,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1291545341, now seen corresponding path program 1 times [2024-12-02 11:42:56,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:56,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143651103] [2024-12-02 11:42:56,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:56,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-12-02 11:42:58,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:58,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143651103] [2024-12-02 11:42:58,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143651103] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:58,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:58,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:42:58,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799967924] [2024-12-02 11:42:58,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:58,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:42:58,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:58,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:42:58,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:42:58,741 INFO L87 Difference]: Start difference. First operand 23757 states and 33073 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 11:42:59,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:59,649 INFO L93 Difference]: Finished difference Result 31898 states and 44390 transitions. [2024-12-02 11:42:59,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:42:59,650 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 123 [2024-12-02 11:42:59,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:59,729 INFO L225 Difference]: With dead ends: 31898 [2024-12-02 11:42:59,729 INFO L226 Difference]: Without dead ends: 23932 [2024-12-02 11:42:59,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:42:59,749 INFO L435 NwaCegarLoop]: 807 mSDtfsCounter, 1 mSDsluCounter, 4017 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4824 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:59,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4824 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 11:42:59,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23932 states. [2024-12-02 11:43:00,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23932 to 23884. [2024-12-02 11:43:00,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23884 states, 19459 states have (on average 1.389280024667249) internal successors, (27034), 19496 states have internal predecessors, (27034), 3040 states have call successors, (3040), 1385 states have call predecessors, (3040), 1384 states have return successors, (3110), 3032 states have call predecessors, (3110), 3038 states have call successors, (3110) [2024-12-02 11:43:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23884 states to 23884 states and 33184 transitions. [2024-12-02 11:43:00,870 INFO L78 Accepts]: Start accepts. Automaton has 23884 states and 33184 transitions. Word has length 123 [2024-12-02 11:43:00,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:43:00,870 INFO L471 AbstractCegarLoop]: Abstraction has 23884 states and 33184 transitions. [2024-12-02 11:43:00,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 11:43:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 23884 states and 33184 transitions. [2024-12-02 11:43:00,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 11:43:00,877 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:43:00,877 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:43:00,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 11:43:00,877 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:43:00,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:43:00,878 INFO L85 PathProgramCache]: Analyzing trace with hash 2081618733, now seen corresponding path program 1 times [2024-12-02 11:43:00,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:43:00,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664107278] [2024-12-02 11:43:00,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:43:00,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:43:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:43:02,476 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-12-02 11:43:02,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:43:02,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664107278] [2024-12-02 11:43:02,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664107278] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:43:02,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:43:02,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:43:02,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331761816] [2024-12-02 11:43:02,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:43:02,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:43:02,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:43:02,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:43:02,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:43:02,478 INFO L87 Difference]: Start difference. First operand 23884 states and 33184 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 11:43:03,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:43:03,210 INFO L93 Difference]: Finished difference Result 32009 states and 44445 transitions. [2024-12-02 11:43:03,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:43:03,210 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-12-02 11:43:03,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:43:03,256 INFO L225 Difference]: With dead ends: 32009 [2024-12-02 11:43:03,256 INFO L226 Difference]: Without dead ends: 16043 [2024-12-02 11:43:03,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:43:03,282 INFO L435 NwaCegarLoop]: 805 mSDtfsCounter, 43 mSDsluCounter, 3170 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 3975 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:43:03,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 3975 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:43:03,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16043 states. [2024-12-02 11:43:04,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16043 to 16011. [2024-12-02 11:43:04,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16011 states, 13055 states have (on average 1.3852163921869016) internal successors, (18084), 13080 states have internal predecessors, (18084), 2030 states have call successors, (2030), 926 states have call predecessors, (2030), 925 states have return successors, (2052), 2024 states have call predecessors, (2052), 2028 states have call successors, (2052) [2024-12-02 11:43:04,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16011 states to 16011 states and 22166 transitions. [2024-12-02 11:43:04,158 INFO L78 Accepts]: Start accepts. Automaton has 16011 states and 22166 transitions. Word has length 140 [2024-12-02 11:43:04,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:43:04,159 INFO L471 AbstractCegarLoop]: Abstraction has 16011 states and 22166 transitions. [2024-12-02 11:43:04,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 11:43:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 16011 states and 22166 transitions. [2024-12-02 11:43:04,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 11:43:04,170 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:43:04,170 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:43:04,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 11:43:04,170 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:43:04,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:43:04,171 INFO L85 PathProgramCache]: Analyzing trace with hash -215694108, now seen corresponding path program 1 times [2024-12-02 11:43:04,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:43:04,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110039887] [2024-12-02 11:43:04,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:43:04,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:43:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:43:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-12-02 11:43:06,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:43:06,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110039887] [2024-12-02 11:43:06,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110039887] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:43:06,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:43:06,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:43:06,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182469536] [2024-12-02 11:43:06,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:43:06,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:43:06,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:43:06,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:43:06,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:43:06,175 INFO L87 Difference]: Start difference. First operand 16011 states and 22166 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 11:43:06,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:43:06,840 INFO L93 Difference]: Finished difference Result 31993 states and 44301 transitions. [2024-12-02 11:43:06,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:43:06,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 144 [2024-12-02 11:43:06,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:43:06,884 INFO L225 Difference]: With dead ends: 31993 [2024-12-02 11:43:06,884 INFO L226 Difference]: Without dead ends: 16012 [2024-12-02 11:43:06,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:43:06,908 INFO L435 NwaCegarLoop]: 808 mSDtfsCounter, 0 mSDsluCounter, 1614 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2422 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:43:06,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2422 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:43:06,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16012 states. [2024-12-02 11:43:07,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16012 to 16012. [2024-12-02 11:43:07,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16012 states, 13056 states have (on average 1.385186887254902) internal successors, (18085), 13081 states have internal predecessors, (18085), 2030 states have call successors, (2030), 926 states have call predecessors, (2030), 925 states have return successors, (2052), 2024 states have call predecessors, (2052), 2028 states have call successors, (2052) [2024-12-02 11:43:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16012 states to 16012 states and 22167 transitions. [2024-12-02 11:43:07,650 INFO L78 Accepts]: Start accepts. Automaton has 16012 states and 22167 transitions. Word has length 144 [2024-12-02 11:43:07,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:43:07,651 INFO L471 AbstractCegarLoop]: Abstraction has 16012 states and 22167 transitions. [2024-12-02 11:43:07,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 11:43:07,651 INFO L276 IsEmpty]: Start isEmpty. Operand 16012 states and 22167 transitions. [2024-12-02 11:43:07,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:43:07,659 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:43:07,659 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:43:07,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 11:43:07,659 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:43:07,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:43:07,659 INFO L85 PathProgramCache]: Analyzing trace with hash 643663357, now seen corresponding path program 1 times [2024-12-02 11:43:07,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:43:07,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855134131] [2024-12-02 11:43:07,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:43:07,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:43:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:43:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-12-02 11:43:09,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:43:09,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855134131] [2024-12-02 11:43:09,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855134131] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:43:09,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358254697] [2024-12-02 11:43:09,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:43:09,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:43:09,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:43:09,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:43:09,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:43:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:43:11,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 2214 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:43:11,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:43:13,642 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 11:43:13,642 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:43:13,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358254697] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:43:13,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:43:13,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-12-02 11:43:13,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978730163] [2024-12-02 11:43:13,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:43:13,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:43:13,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:43:13,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:43:13,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:43:13,644 INFO L87 Difference]: Start difference. First operand 16012 states and 22167 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 11:43:17,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:43:21,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:43:25,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:43:29,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:43:38,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:43:38,007 INFO L93 Difference]: Finished difference Result 16060 states and 22223 transitions. [2024-12-02 11:43:38,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:43:38,008 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 146 [2024-12-02 11:43:38,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:43:38,016 INFO L225 Difference]: With dead ends: 16060 [2024-12-02 11:43:38,016 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 11:43:38,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-12-02 11:43:38,033 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 1551 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 382 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2024-12-02 11:43:38,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 834 Invalid, 1599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 1213 Invalid, 4 Unknown, 0 Unchecked, 23.8s Time] [2024-12-02 11:43:38,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 11:43:38,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 11:43:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-12-02 11:43:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 11:43:38,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2024-12-02 11:43:38,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:43:38,040 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 11:43:38,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 11:43:38,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 11:43:38,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 11:43:38,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:43:38,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:43:38,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 11:43:38,247 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:43:38,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 11:48:07,592 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:48:07,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:48:07 BoogieIcfgContainer [2024-12-02 11:48:07,611 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:48:07,612 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:48:07,612 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:48:07,612 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:48:07,613 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:42:15" (3/4) ... [2024-12-02 11:48:07,616 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 11:48:07,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#12 [2024-12-02 11:48:07,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_resume [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __dynamic_netdev_dbg [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#16 [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#15 [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#14 [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#13 [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_bind [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_manage_power [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_headroom [2024-12-02 11:48:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_suspend [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_rx_fixup [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_resume [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fswab16 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#16 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_read [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#15 [2024-12-02 11:48:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#14 [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#13 [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#12 [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#11 [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_ncm_unbind [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_unbind [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_tx_fixup [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_reset_mac_header [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop___0 [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-12-02 11:48:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_get_intfdata_4 [2024-12-02 11:48:07,625 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eth_hdr [2024-12-02 11:48:07,625 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-12-02 11:48:07,647 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 192 nodes and edges [2024-12-02 11:48:07,649 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2024-12-02 11:48:07,650 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-02 11:48:07,652 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-02 11:48:07,653 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 11:48:07,849 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 11:48:07,849 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 11:48:07,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:48:07,850 INFO L158 Benchmark]: Toolchain (without parser) took 361452.93ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 998.2MB). Free memory was 109.1MB in the beginning and 561.4MB in the end (delta: -452.3MB). Peak memory consumption was 540.8MB. Max. memory is 16.1GB. [2024-12-02 11:48:07,850 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:48:07,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1054.08ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 86.9MB in the end (delta: 22.1MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2024-12-02 11:48:07,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.20ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 75.7MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:48:07,851 INFO L158 Benchmark]: Boogie Preprocessor took 272.86ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 75.7MB in the beginning and 302.6MB in the end (delta: -226.8MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2024-12-02 11:48:07,851 INFO L158 Benchmark]: RCFGBuilder took 7601.91ms. Allocated memory is still 377.5MB. Free memory was 302.6MB in the beginning and 214.3MB in the end (delta: 88.3MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. [2024-12-02 11:48:07,852 INFO L158 Benchmark]: TraceAbstraction took 352182.30ms. Allocated memory was 377.5MB in the beginning and 1.1GB in the end (delta: 763.4MB). Free memory was 214.3MB in the beginning and 590.8MB in the end (delta: -376.5MB). Peak memory consumption was 655.3MB. Max. memory is 16.1GB. [2024-12-02 11:48:07,852 INFO L158 Benchmark]: Witness Printer took 236.93ms. Allocated memory is still 1.1GB. Free memory was 590.8MB in the beginning and 561.4MB in the end (delta: 29.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 11:48:07,854 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1054.08ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 86.9MB in the end (delta: 22.1MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.20ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 75.7MB in the end (delta: 11.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 272.86ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 75.7MB in the beginning and 302.6MB in the end (delta: -226.8MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * RCFGBuilder took 7601.91ms. Allocated memory is still 377.5MB. Free memory was 302.6MB in the beginning and 214.3MB in the end (delta: 88.3MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. * TraceAbstraction took 352182.30ms. Allocated memory was 377.5MB in the beginning and 1.1GB in the end (delta: 763.4MB). Free memory was 214.3MB in the beginning and 590.8MB in the end (delta: -376.5MB). Peak memory consumption was 655.3MB. Max. memory is 16.1GB. * Witness Printer took 236.93ms. Allocated memory is still 1.1GB. Free memory was 590.8MB in the beginning and 561.4MB in the end (delta: 29.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5496]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [5496-5497] - GenericResultAtLocation [Line: 5508]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [5508-5509] - GenericResultAtLocation [Line: 5512]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5512-5513] - GenericResultAtLocation [Line: 5516]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5516-5517] - GenericResultAtLocation [Line: 5520]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5520-5521] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5624]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 65 procedures, 733 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 82.8s, OverallIterations: 15, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 48.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 10744 SdHoareTripleChecker+Valid, 43.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10713 mSDsluCounter, 28585 SdHoareTripleChecker+Invalid, 42.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15259 mSDsCounter, 427 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1788 IncrementalHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 427 mSolverCounterUnsat, 13326 mSDtfsCounter, 1788 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23884occurred in iteration=12, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 161 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 1500 NumberOfCodeBlocks, 1500 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1484 ConstructedInterpolants, 0 QuantifiedInterpolants, 2625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2214 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 16 InterpolantComputations, 15 PerfectInterpolantSequences, 973/974 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 11:48:07,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfc77ec-72a4-4226-b65c-94992017c67f/bin/uautomizer-verify-84ZbGMXZE1/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