./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.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_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/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_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/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_96d9d594-bca1-4b0d-8d8a-7de3552f7237/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 1b8743dc91924021ca584164be599e5a9a33571f7564f3efe668f728c174c3df --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:55:10,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:55:10,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 08:55:10,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:55:10,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:55:10,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:55:10,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:55:10,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:55:10,364 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:55:10,364 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:55:10,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:55:10,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:55:10,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:55:10,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:55:10,365 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:55:10,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:55:10,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:55:10,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:55:10,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:55:10,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:55:10,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:55:10,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:55:10,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:55:10,365 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:55:10,365 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:55:10,366 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:55:10,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:55:10,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:55:10,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:55:10,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:55:10,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:55:10,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:55:10,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:55:10,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:55:10,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:55:10,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:55:10,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:55:10,366 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:55:10,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:55:10,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:55:10,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:55:10,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:55:10,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:55:10,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:55:10,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:55:10,367 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_96d9d594-bca1-4b0d-8d8a-7de3552f7237/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 -> 1b8743dc91924021ca584164be599e5a9a33571f7564f3efe668f728c174c3df [2024-12-02 08:55:10,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:55:10,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:55:10,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:55:10,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:55:10,578 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:55:10,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2024-12-02 08:55:13,165 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/data/48af7e0d0/326eb847142846369ba061dae636c2d8/FLAG5d9e7c1b5 [2024-12-02 08:55:13,596 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:55:13,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2024-12-02 08:55:13,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/data/48af7e0d0/326eb847142846369ba061dae636c2d8/FLAG5d9e7c1b5 [2024-12-02 08:55:13,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/data/48af7e0d0/326eb847142846369ba061dae636c2d8 [2024-12-02 08:55:13,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:55:13,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:55:13,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:55:13,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:55:13,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:55:13,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:55:13" (1/1) ... [2024-12-02 08:55:13,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed5f004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:13, skipping insertion in model container [2024-12-02 08:55:13,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:55:13" (1/1) ... [2024-12-02 08:55:13,815 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:55:14,796 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_96d9d594-bca1-4b0d-8d8a-7de3552f7237/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i[191080,191093] [2024-12-02 08:55:14,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:55:14,869 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:55:14,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4374-4375] [2024-12-02 08:55:14,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4392] [2024-12-02 08:55:14,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4395] [2024-12-02 08:55:14,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4398] [2024-12-02 08:55:14,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4401] [2024-12-02 08:55:14,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [4688] [2024-12-02 08:55:15,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5323-5324] [2024-12-02 08:55:15,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5328-5329] [2024-12-02 08:55:15,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5333-5334] [2024-12-02 08:55:15,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5338-5339] [2024-12-02 08:55:15,105 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_96d9d594-bca1-4b0d-8d8a-7de3552f7237/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i[191080,191093] [2024-12-02 08:55:15,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:55:15,173 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:55:15,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15 WrapperNode [2024-12-02 08:55:15,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:55:15,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:55:15,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:55:15,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:55:15,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:15,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:15,347 INFO L138 Inliner]: procedures = 210, calls = 1406, calls flagged for inlining = 108, calls inlined = 108, statements flattened = 3607 [2024-12-02 08:55:15,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:55:15,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:55:15,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:55:15,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:55:15,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:15,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:15,380 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:15,774 INFO L175 MemorySlicer]: Split 890 memory accesses to 22 slices as follows [20, 2, 43, 2, 1, 2, 9, 1, 386, 3, 1, 4, 7, 14, 10, 2, 8, 1, 8, 274, 8, 84]. 43 percent of accesses are in the largest equivalence class. The 59 initializations are split as follows [14, 2, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, 0, 0, 8, 0, 8, 0, 8, 0]. The 460 writes are split as follows [4, 0, 43, 1, 0, 1, 3, 0, 116, 2, 0, 4, 3, 12, 3, 1, 0, 1, 0, 182, 0, 84]. [2024-12-02 08:55:15,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:15,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:15,870 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:15,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:15,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:15,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:15,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:15,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:55:15,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:55:15,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:55:15,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:55:15,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (1/1) ... [2024-12-02 08:55:16,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:55:16,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:55:16,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:55:16,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:55:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_fe_init [2024-12-02 08:55:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_fe_init [2024-12-02 08:55:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2024-12-02 08:55:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2024-12-02 08:55:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 08:55:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 08:55:16,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 08:55:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 08:55:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 08:55:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 08:55:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 08:55:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 08:55:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure wait_i2c_result [2024-12-02 08:55:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_i2c_result [2024-12-02 08:55:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2024-12-02 08:55:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2024-12-02 08:55:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-12-02 08:55:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-12-02 08:55:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 08:55:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 08:55:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_streaming [2024-12-02 08:55:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_streaming [2024-12-02 08:55:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-12-02 08:55:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-12-02 08:55:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-12-02 08:55:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-12-02 08:55:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-12-02 08:55:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-12-02 08:55:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2024-12-02 08:55:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2024-12-02 08:55:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_lnb_ctrl [2024-12-02 08:55:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_lnb_ctrl [2024-12-02 08:55:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 08:55:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 08:55:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 08:55:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 08:55:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:55:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:55:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2024-12-02 08:55:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2024-12-02 08:55:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_free_dmabuf [2024-12-02 08:55:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_free_dmabuf [2024-12-02 08:55:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-12-02 08:55:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-12-02 08:55:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_alloc_dmabuf [2024-12-02 08:55:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_alloc_dmabuf [2024-12-02 08:55:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2024-12-02 08:55:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 08:55:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 08:55:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 08:55:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 08:55:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 08:55:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 08:55:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 08:55:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 08:55:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 08:55:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 08:55:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 08:55:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 08:55:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 08:55:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 08:55:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 08:55:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2024-12-02 08:55:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2024-12-02 08:55:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-12-02 08:55:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 08:55:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2024-12-02 08:55:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_base [2024-12-02 08:55:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_base [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 08:55:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 08:55:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 08:55:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 08:55:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 08:55:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_resume [2024-12-02 08:55:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_resume [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-02 08:55:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 08:55:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 08:55:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_demod_write [2024-12-02 08:55:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_demod_write [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-12-02 08:55:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 08:55:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure send_i2c_cmd [2024-12-02 08:55:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure send_i2c_cmd [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 08:55:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 08:55:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 08:55:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 08:55:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 08:55:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 08:55:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 08:55:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 08:55:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 08:55:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 08:55:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 08:55:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 08:55:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter_packets [2024-12-02 08:55:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter_packets [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 08:55:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure cmdbuf_add [2024-12-02 08:55:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure cmdbuf_add [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 08:55:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 08:55:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_dma [2024-12-02 08:55:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_dma [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-12-02 08:55:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 08:55:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure put_byte_write [2024-12-02 08:55:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure put_byte_write [2024-12-02 08:55:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2024-12-02 08:55:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 08:55:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_set_tuner_power [2024-12-02 08:55:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_set_tuner_power [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2024-12-02 08:55:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 08:55:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_suspend [2024-12-02 08:55:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_suspend [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 08:55:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_start_dma [2024-12-02 08:55:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_start_dma [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_find_adapter [2024-12-02 08:55:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_find_adapter [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 08:55:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_init_dmabuf [2024-12-02 08:55:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_init_dmabuf [2024-12-02 08:55:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2024-12-02 08:55:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-12-02 08:55:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2024-12-02 08:55:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_cleanup_adapter [2024-12-02 08:55:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_cleanup_adapter [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-12-02 08:55:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 08:55:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:55:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:55:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 08:55:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 08:55:16,773 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:55:16,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:55:17,844 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 08:55:39,307 INFO L? ?]: Removed 1609 outVars from TransFormulas that were not future-live. [2024-12-02 08:55:39,308 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:55:39,336 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:55:39,336 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 08:55:39,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:39 BoogieIcfgContainer [2024-12-02 08:55:39,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:55:39,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:55:39,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:55:39,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:55:39,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:55:13" (1/3) ... [2024-12-02 08:55:39,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c54ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:55:39, skipping insertion in model container [2024-12-02 08:55:39,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:15" (2/3) ... [2024-12-02 08:55:39,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c54ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:55:39, skipping insertion in model container [2024-12-02 08:55:39,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:39" (3/3) ... [2024-12-02 08:55:39,346 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2024-12-02 08:55:39,357 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:55:39,360 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i that has 86 procedures, 1209 locations, 1 initial locations, 45 loop locations, and 1 error locations. [2024-12-02 08:55:39,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:55:39,437 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;@1799bb9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:55:39,437 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:55:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 1103 states, 814 states have (on average 1.3685503685503686) internal successors, (1114), 836 states have internal predecessors, (1114), 224 states have call successors, (224), 64 states have call predecessors, (224), 63 states have return successors, (219), 216 states have call predecessors, (219), 219 states have call successors, (219) [2024-12-02 08:55:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-02 08:55:39,450 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:55:39,450 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 08:55:39,451 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:55:39,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:55:39,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2056666522, now seen corresponding path program 1 times [2024-12-02 08:55:39,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:55:39,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396104724] [2024-12-02 08:55:39,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:55:39,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:55:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:55:43,855 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-02 08:55:43,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:55:43,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396104724] [2024-12-02 08:55:43,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396104724] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:55:43,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279626310] [2024-12-02 08:55:43,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:55:43,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:55:43,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:55:43,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:55:43,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:55:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:55:48,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 3035 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:55:48,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:55:48,345 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-02 08:55:48,345 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:55:48,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279626310] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:55:48,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:55:48,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 08:55:48,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755330113] [2024-12-02 08:55:48,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:55:48,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:55:48,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:55:48,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:55:48,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:55:48,366 INFO L87 Difference]: Start difference. First operand has 1103 states, 814 states have (on average 1.3685503685503686) internal successors, (1114), 836 states have internal predecessors, (1114), 224 states have call successors, (224), 64 states have call predecessors, (224), 63 states have return successors, (219), 216 states have call predecessors, (219), 219 states have call successors, (219) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 08:55:48,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:55:48,478 INFO L93 Difference]: Finished difference Result 2201 states and 3167 transitions. [2024-12-02 08:55:48,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:55:48,479 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-12-02 08:55:48,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:55:48,497 INFO L225 Difference]: With dead ends: 2201 [2024-12-02 08:55:48,497 INFO L226 Difference]: Without dead ends: 1091 [2024-12-02 08:55:48,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:55:48,508 INFO L435 NwaCegarLoop]: 1547 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1547 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 08:55:48,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1547 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:55:48,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2024-12-02 08:55:48,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2024-12-02 08:55:48,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 809 states have (on average 1.3547589616810878) internal successors, (1096), 824 states have internal predecessors, (1096), 219 states have call successors, (219), 63 states have call predecessors, (219), 62 states have return successors, (217), 214 states have call predecessors, (217), 217 states have call successors, (217) [2024-12-02 08:55:48,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1532 transitions. [2024-12-02 08:55:48,599 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1532 transitions. Word has length 51 [2024-12-02 08:55:48,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:55:48,600 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1532 transitions. [2024-12-02 08:55:48,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 08:55:48,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1532 transitions. [2024-12-02 08:55:48,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-02 08:55:48,602 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:55:48,602 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 08:55:48,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:55:48,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:55:48,803 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:55:48,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:55:48,803 INFO L85 PathProgramCache]: Analyzing trace with hash 550845718, now seen corresponding path program 1 times [2024-12-02 08:55:48,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:55:48,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932145276] [2024-12-02 08:55:48,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:55:48,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:55:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:55:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-02 08:55:52,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:55:52,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932145276] [2024-12-02 08:55:52,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932145276] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:55:52,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:55:52,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:55:52,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641105773] [2024-12-02 08:55:52,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:55:52,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:55:52,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:55:52,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:55:52,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:55:52,632 INFO L87 Difference]: Start difference. First operand 1091 states and 1532 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 08:55:56,699 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 08:55:57,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:55:57,230 INFO L93 Difference]: Finished difference Result 3234 states and 4547 transitions. [2024-12-02 08:55:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:55:57,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 51 [2024-12-02 08:55:57,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:55:57,244 INFO L225 Difference]: With dead ends: 3234 [2024-12-02 08:55:57,244 INFO L226 Difference]: Without dead ends: 2153 [2024-12-02 08:55:57,248 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 08:55:57,248 INFO L435 NwaCegarLoop]: 1543 mSDtfsCounter, 1495 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 3056 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:55:57,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 3056 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 08:55:57,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2024-12-02 08:55:57,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2150. [2024-12-02 08:55:57,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2150 states, 1594 states have (on average 1.3569636135508156) internal successors, (2163), 1623 states have internal predecessors, (2163), 431 states have call successors, (431), 125 states have call predecessors, (431), 124 states have return successors, (429), 423 states have call predecessors, (429), 429 states have call successors, (429) [2024-12-02 08:55:57,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 3023 transitions. [2024-12-02 08:55:57,328 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 3023 transitions. Word has length 51 [2024-12-02 08:55:57,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:55:57,328 INFO L471 AbstractCegarLoop]: Abstraction has 2150 states and 3023 transitions. [2024-12-02 08:55:57,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 08:55:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 3023 transitions. [2024-12-02 08:55:57,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-02 08:55:57,332 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:55:57,333 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:57,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:55:57,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:55:57,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:55:57,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1765429909, now seen corresponding path program 1 times [2024-12-02 08:55:57,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:55:57,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879807244] [2024-12-02 08:55:57,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:55:57,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:56:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:56:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 08:56:01,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:56:01,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879807244] [2024-12-02 08:56:01,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879807244] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:56:01,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:56:01,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:56:01,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578275173] [2024-12-02 08:56:01,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:56:01,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:56:01,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:56:01,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:56:01,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:56:01,111 INFO L87 Difference]: Start difference. First operand 2150 states and 3023 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 08:56:01,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:56:01,286 INFO L93 Difference]: Finished difference Result 6427 states and 9056 transitions. [2024-12-02 08:56:01,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:56:01,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 71 [2024-12-02 08:56:01,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:56:01,309 INFO L225 Difference]: With dead ends: 6427 [2024-12-02 08:56:01,309 INFO L226 Difference]: Without dead ends: 4282 [2024-12-02 08:56:01,317 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 08:56:01,318 INFO L435 NwaCegarLoop]: 1579 mSDtfsCounter, 1501 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 3094 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:56:01,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 3094 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:56:01,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4282 states. [2024-12-02 08:56:01,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4282 to 4278. [2024-12-02 08:56:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4278 states, 3171 states have (on average 1.356985178177231) internal successors, (4303), 3228 states have internal predecessors, (4303), 858 states have call successors, (858), 249 states have call predecessors, (858), 248 states have return successors, (860), 844 states have call predecessors, (860), 856 states have call successors, (860) [2024-12-02 08:56:01,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4278 states to 4278 states and 6021 transitions. [2024-12-02 08:56:01,457 INFO L78 Accepts]: Start accepts. Automaton has 4278 states and 6021 transitions. Word has length 71 [2024-12-02 08:56:01,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:56:01,457 INFO L471 AbstractCegarLoop]: Abstraction has 4278 states and 6021 transitions. [2024-12-02 08:56:01,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 08:56:01,457 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 6021 transitions. [2024-12-02 08:56:01,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 08:56:01,461 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:56:01,461 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:56:01,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:56:01,462 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:56:01,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:56:01,462 INFO L85 PathProgramCache]: Analyzing trace with hash 2069612988, now seen corresponding path program 1 times [2024-12-02 08:56:01,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:56:01,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052105496] [2024-12-02 08:56:01,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:56:01,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:56:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:56:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-02 08:56:05,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:56:05,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052105496] [2024-12-02 08:56:05,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052105496] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:56:05,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:56:05,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:56:05,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805281754] [2024-12-02 08:56:05,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:56:05,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:56:05,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:56:05,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:56:05,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:56:05,240 INFO L87 Difference]: Start difference. First operand 4278 states and 6021 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, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:56:05,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:56:05,696 INFO L93 Difference]: Finished difference Result 11568 states and 16323 transitions. [2024-12-02 08:56:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:56:05,696 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, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 82 [2024-12-02 08:56:05,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:56:05,750 INFO L225 Difference]: With dead ends: 11568 [2024-12-02 08:56:05,750 INFO L226 Difference]: Without dead ends: 7300 [2024-12-02 08:56:05,772 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 08:56:05,772 INFO L435 NwaCegarLoop]: 1902 mSDtfsCounter, 1095 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 3406 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:56:05,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 3406 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:56:05,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7300 states. [2024-12-02 08:56:06,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7300 to 7290. [2024-12-02 08:56:06,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7290 states, 5483 states have (on average 1.3678643078606603) internal successors, (7500), 5552 states have internal predecessors, (7500), 1400 states have call successors, (1400), 407 states have call predecessors, (1400), 406 states have return successors, (1402), 1386 states have call predecessors, (1402), 1398 states have call successors, (1402) [2024-12-02 08:56:06,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7290 states to 7290 states and 10302 transitions. [2024-12-02 08:56:06,101 INFO L78 Accepts]: Start accepts. Automaton has 7290 states and 10302 transitions. Word has length 82 [2024-12-02 08:56:06,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:56:06,101 INFO L471 AbstractCegarLoop]: Abstraction has 7290 states and 10302 transitions. [2024-12-02 08:56:06,102 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, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:56:06,102 INFO L276 IsEmpty]: Start isEmpty. Operand 7290 states and 10302 transitions. [2024-12-02 08:56:06,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 08:56:06,108 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:56:06,108 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 08:56:06,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:56:06,108 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:56:06,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:56:06,109 INFO L85 PathProgramCache]: Analyzing trace with hash -893949288, now seen corresponding path program 1 times [2024-12-02 08:56:06,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:56:06,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555413676] [2024-12-02 08:56:06,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:56:06,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:56:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:56:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-02 08:56:09,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:56:09,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555413676] [2024-12-02 08:56:09,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555413676] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:56:09,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:56:09,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:56:09,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505429994] [2024-12-02 08:56:09,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:56:09,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:56:09,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:56:09,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:56:09,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:56:09,709 INFO L87 Difference]: Start difference. First operand 7290 states and 10302 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 08:56:13,753 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 08:56:14,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:56:14,263 INFO L93 Difference]: Finished difference Result 11730 states and 16569 transitions. [2024-12-02 08:56:14,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:56:14,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 111 [2024-12-02 08:56:14,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:56:14,285 INFO L225 Difference]: With dead ends: 11730 [2024-12-02 08:56:14,285 INFO L226 Difference]: Without dead ends: 4459 [2024-12-02 08:56:14,305 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 08:56:14,305 INFO L435 NwaCegarLoop]: 1535 mSDtfsCounter, 5 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3061 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:56:14,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3061 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 08:56:14,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4459 states. [2024-12-02 08:56:14,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4459 to 4454. [2024-12-02 08:56:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4454 states, 3359 states have (on average 1.367371241440905) internal successors, (4593), 3397 states have internal predecessors, (4593), 845 states have call successors, (845), 250 states have call predecessors, (845), 249 states have return successors, (845), 837 states have call predecessors, (845), 843 states have call successors, (845) [2024-12-02 08:56:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 6283 transitions. [2024-12-02 08:56:14,429 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 6283 transitions. Word has length 111 [2024-12-02 08:56:14,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:56:14,429 INFO L471 AbstractCegarLoop]: Abstraction has 4454 states and 6283 transitions. [2024-12-02 08:56:14,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 08:56:14,430 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 6283 transitions. [2024-12-02 08:56:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 08:56:14,434 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:56:14,434 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-12-02 08:56:14,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:56:14,435 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:56:14,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:56:14,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1952451426, now seen corresponding path program 1 times [2024-12-02 08:56:14,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:56:14,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246127237] [2024-12-02 08:56:14,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:56:14,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:56:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:56:18,450 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-12-02 08:56:18,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:56:18,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246127237] [2024-12-02 08:56:18,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246127237] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:56:18,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:56:18,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:56:18,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51123739] [2024-12-02 08:56:18,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:56:18,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:56:18,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:56:18,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:56:18,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:56:18,453 INFO L87 Difference]: Start difference. First operand 4454 states and 6283 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-12-02 08:56:22,514 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 08:56:23,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:56:23,201 INFO L93 Difference]: Finished difference Result 9795 states and 13801 transitions. [2024-12-02 08:56:23,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:56:23,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 145 [2024-12-02 08:56:23,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:56:23,240 INFO L225 Difference]: With dead ends: 9795 [2024-12-02 08:56:23,240 INFO L226 Difference]: Without dead ends: 6112 [2024-12-02 08:56:23,255 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 08:56:23,256 INFO L435 NwaCegarLoop]: 2661 mSDtfsCounter, 1464 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1464 SdHoareTripleChecker+Valid, 3867 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 08:56:23,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1464 Valid, 3867 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 08:56:23,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6112 states. [2024-12-02 08:56:23,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6112 to 6102. [2024-12-02 08:56:23,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6102 states, 4615 states have (on average 1.3687973997833154) internal successors, (6317), 4659 states have internal predecessors, (6317), 1137 states have call successors, (1137), 350 states have call predecessors, (1137), 349 states have return successors, (1137), 1129 states have call predecessors, (1137), 1135 states have call successors, (1137) [2024-12-02 08:56:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6102 states to 6102 states and 8591 transitions. [2024-12-02 08:56:23,504 INFO L78 Accepts]: Start accepts. Automaton has 6102 states and 8591 transitions. Word has length 145 [2024-12-02 08:56:23,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:56:23,504 INFO L471 AbstractCegarLoop]: Abstraction has 6102 states and 8591 transitions. [2024-12-02 08:56:23,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-12-02 08:56:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 6102 states and 8591 transitions. [2024-12-02 08:56:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 08:56:23,513 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:56:23,513 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-12-02 08:56:23,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:56:23,513 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:56:23,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:56:23,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1350769594, now seen corresponding path program 1 times [2024-12-02 08:56:23,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:56:23,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018140688] [2024-12-02 08:56:23,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:56:23,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:56:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:56:27,537 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-12-02 08:56:27,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:56:27,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018140688] [2024-12-02 08:56:27,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018140688] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:56:27,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:56:27,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:56:27,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426714717] [2024-12-02 08:56:27,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:56:27,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:56:27,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:56:27,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:56:27,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:56:27,539 INFO L87 Difference]: Start difference. First operand 6102 states and 8591 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 08:56:31,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:32,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:56:32,398 INFO L93 Difference]: Finished difference Result 13582 states and 19086 transitions. [2024-12-02 08:56:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:56:32,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 156 [2024-12-02 08:56:32,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:56:32,443 INFO L225 Difference]: With dead ends: 13582 [2024-12-02 08:56:32,443 INFO L226 Difference]: Without dead ends: 8251 [2024-12-02 08:56:32,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:56:32,463 INFO L435 NwaCegarLoop]: 3001 mSDtfsCounter, 1485 mSDsluCounter, 4519 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 7520 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 08:56:32,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 7520 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 08:56:32,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8251 states. [2024-12-02 08:56:32,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8251 to 6106. [2024-12-02 08:56:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6106 states, 4619 states have (on average 1.368478025546655) internal successors, (6321), 4663 states have internal predecessors, (6321), 1137 states have call successors, (1137), 350 states have call predecessors, (1137), 349 states have return successors, (1137), 1129 states have call predecessors, (1137), 1135 states have call successors, (1137) [2024-12-02 08:56:32,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6106 states to 6106 states and 8595 transitions. [2024-12-02 08:56:32,712 INFO L78 Accepts]: Start accepts. Automaton has 6106 states and 8595 transitions. Word has length 156 [2024-12-02 08:56:32,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:56:32,713 INFO L471 AbstractCegarLoop]: Abstraction has 6106 states and 8595 transitions. [2024-12-02 08:56:32,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 08:56:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 6106 states and 8595 transitions. [2024-12-02 08:56:32,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 08:56:32,722 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:56:32,722 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-12-02 08:56:32,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:56:32,722 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:56:32,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:56:32,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1257842403, now seen corresponding path program 1 times [2024-12-02 08:56:32,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:56:32,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014214906] [2024-12-02 08:56:32,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:56:32,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:56:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:56:36,415 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-12-02 08:56:36,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:56:36,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014214906] [2024-12-02 08:56:36,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014214906] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:56:36,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:56:36,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:56:36,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596602248] [2024-12-02 08:56:36,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:56:36,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:56:36,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:56:36,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:56:36,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:56:36,418 INFO L87 Difference]: Start difference. First operand 6106 states and 8595 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 08:56:36,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:56:36,670 INFO L93 Difference]: Finished difference Result 11443 states and 16104 transitions. [2024-12-02 08:56:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:56:36,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 166 [2024-12-02 08:56:36,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:56:36,699 INFO L225 Difference]: With dead ends: 11443 [2024-12-02 08:56:36,699 INFO L226 Difference]: Without dead ends: 6108 [2024-12-02 08:56:36,711 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 08:56:36,712 INFO L435 NwaCegarLoop]: 1531 mSDtfsCounter, 0 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3056 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 08:56:36,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3056 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:56:36,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6108 states. [2024-12-02 08:56:36,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6108 to 6108. [2024-12-02 08:56:36,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6108 states, 4621 states have (on average 1.368318545769314) internal successors, (6323), 4665 states have internal predecessors, (6323), 1137 states have call successors, (1137), 350 states have call predecessors, (1137), 349 states have return successors, (1137), 1129 states have call predecessors, (1137), 1135 states have call successors, (1137) [2024-12-02 08:56:36,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6108 states to 6108 states and 8597 transitions. [2024-12-02 08:56:36,850 INFO L78 Accepts]: Start accepts. Automaton has 6108 states and 8597 transitions. Word has length 166 [2024-12-02 08:56:36,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:56:36,851 INFO L471 AbstractCegarLoop]: Abstraction has 6108 states and 8597 transitions. [2024-12-02 08:56:36,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 08:56:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 6108 states and 8597 transitions. [2024-12-02 08:56:36,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 08:56:36,858 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:56:36,858 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-12-02 08:56:36,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:56:36,859 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:56:36,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:56:36,859 INFO L85 PathProgramCache]: Analyzing trace with hash -824113317, now seen corresponding path program 1 times [2024-12-02 08:56:36,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:56:36,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995594059] [2024-12-02 08:56:36,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:56:36,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:56:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:56:40,974 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-12-02 08:56:40,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:56:40,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995594059] [2024-12-02 08:56:40,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995594059] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:56:40,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:56:40,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:56:40,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253455871] [2024-12-02 08:56:40,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:56:40,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:56:40,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:56:40,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:56:40,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:56:40,976 INFO L87 Difference]: Start difference. First operand 6108 states and 8597 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 08:56:45,019 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 08:56:50,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:54,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:54,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:56:54,803 INFO L93 Difference]: Finished difference Result 13686 states and 19246 transitions. [2024-12-02 08:56:54,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:56:54,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 166 [2024-12-02 08:56:54,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:56:54,845 INFO L225 Difference]: With dead ends: 13686 [2024-12-02 08:56:54,845 INFO L226 Difference]: Without dead ends: 8349 [2024-12-02 08:56:54,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:56:54,863 INFO L435 NwaCegarLoop]: 3005 mSDtfsCounter, 1513 mSDsluCounter, 7470 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 18 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 10475 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:56:54,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 10475 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 87 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2024-12-02 08:56:54,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8349 states. [2024-12-02 08:56:55,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8349 to 6148. [2024-12-02 08:56:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6148 states, 4643 states have (on average 1.3682963601119966) internal successors, (6353), 4689 states have internal predecessors, (6353), 1155 states have call successors, (1155), 350 states have call predecessors, (1155), 349 states have return successors, (1155), 1145 states have call predecessors, (1155), 1153 states have call successors, (1155) [2024-12-02 08:56:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6148 states to 6148 states and 8663 transitions. [2024-12-02 08:56:55,171 INFO L78 Accepts]: Start accepts. Automaton has 6148 states and 8663 transitions. Word has length 166 [2024-12-02 08:56:55,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:56:55,172 INFO L471 AbstractCegarLoop]: Abstraction has 6148 states and 8663 transitions. [2024-12-02 08:56:55,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 08:56:55,172 INFO L276 IsEmpty]: Start isEmpty. Operand 6148 states and 8663 transitions. [2024-12-02 08:56:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 08:56:55,185 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:56:55,185 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:55,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:56:55,185 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:56:55,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:56:55,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1523148885, now seen corresponding path program 1 times [2024-12-02 08:56:55,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:56:55,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963878749] [2024-12-02 08:56:55,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:56:55,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:56:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:57:00,450 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-12-02 08:57:00,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:57:00,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963878749] [2024-12-02 08:57:00,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963878749] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:57:00,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:57:00,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:57:00,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665433574] [2024-12-02 08:57:00,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:57:00,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:57:00,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:57:00,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:57:00,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:57:00,452 INFO L87 Difference]: Start difference. First operand 6148 states and 8663 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:57:00,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:57:00,701 INFO L93 Difference]: Finished difference Result 12279 states and 17307 transitions. [2024-12-02 08:57:00,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:57:00,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 186 [2024-12-02 08:57:00,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:57:00,747 INFO L225 Difference]: With dead ends: 12279 [2024-12-02 08:57:00,748 INFO L226 Difference]: Without dead ends: 6149 [2024-12-02 08:57:00,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:57:00,772 INFO L435 NwaCegarLoop]: 1531 mSDtfsCounter, 0 mSDsluCounter, 1528 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3059 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:57:00,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3059 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:57:00,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6149 states. [2024-12-02 08:57:00,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6149 to 6149. [2024-12-02 08:57:00,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6149 states, 4644 states have (on average 1.3682170542635659) internal successors, (6354), 4690 states have internal predecessors, (6354), 1155 states have call successors, (1155), 350 states have call predecessors, (1155), 349 states have return successors, (1155), 1145 states have call predecessors, (1155), 1153 states have call successors, (1155) [2024-12-02 08:57:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 8664 transitions. [2024-12-02 08:57:01,024 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 8664 transitions. Word has length 186 [2024-12-02 08:57:01,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:57:01,024 INFO L471 AbstractCegarLoop]: Abstraction has 6149 states and 8664 transitions. [2024-12-02 08:57:01,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 08:57:01,025 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 8664 transitions. [2024-12-02 08:57:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-12-02 08:57:01,037 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:57:01,037 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:01,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:57:01,037 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:57:01,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:57:01,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1198488614, now seen corresponding path program 1 times [2024-12-02 08:57:01,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:57:01,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141590040] [2024-12-02 08:57:01,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:57:01,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:57:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:57:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-12-02 08:57:07,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:57:07,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141590040] [2024-12-02 08:57:07,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141590040] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:57:07,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292192281] [2024-12-02 08:57:07,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:57:07,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:57:07,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:57:07,114 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:57:07,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:57:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:57:12,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 3981 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 08:57:12,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:57:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-12-02 08:57:12,753 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:57:12,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292192281] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:57:12,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:57:12,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2024-12-02 08:57:12,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184187086] [2024-12-02 08:57:12,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:57:12,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:57:12,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:57:12,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:57:12,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:57:12,756 INFO L87 Difference]: Start difference. First operand 6149 states and 8664 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 08:57:16,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:22,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:26,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:26,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:57:26,553 INFO L93 Difference]: Finished difference Result 13739 states and 19333 transitions. [2024-12-02 08:57:26,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:57:26,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 187 [2024-12-02 08:57:26,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:57:26,582 INFO L225 Difference]: With dead ends: 13739 [2024-12-02 08:57:26,582 INFO L226 Difference]: Without dead ends: 8362 [2024-12-02 08:57:26,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-12-02 08:57:26,597 INFO L435 NwaCegarLoop]: 3004 mSDtfsCounter, 1514 mSDsluCounter, 7469 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 21 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 10473 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:57:26,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 10473 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2024-12-02 08:57:26,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8362 states. [2024-12-02 08:57:26,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8362 to 6149. [2024-12-02 08:57:26,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6149 states, 4644 states have (on average 1.3682170542635659) internal successors, (6354), 4690 states have internal predecessors, (6354), 1155 states have call successors, (1155), 350 states have call predecessors, (1155), 349 states have return successors, (1155), 1145 states have call predecessors, (1155), 1153 states have call successors, (1155) [2024-12-02 08:57:26,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 8664 transitions. [2024-12-02 08:57:26,841 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 8664 transitions. Word has length 187 [2024-12-02 08:57:26,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:57:26,841 INFO L471 AbstractCegarLoop]: Abstraction has 6149 states and 8664 transitions. [2024-12-02 08:57:26,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 08:57:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 8664 transitions. [2024-12-02 08:57:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-12-02 08:57:26,851 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:57:26,852 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:26,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:57:27,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:57:27,052 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:57:27,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:57:27,053 INFO L85 PathProgramCache]: Analyzing trace with hash 471807376, now seen corresponding path program 1 times [2024-12-02 08:57:27,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:57:27,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292404346] [2024-12-02 08:57:27,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:57:27,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:57:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:57:30,486 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-12-02 08:57:30,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:57:30,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292404346] [2024-12-02 08:57:30,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292404346] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:57:30,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:57:30,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:57:30,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569569010] [2024-12-02 08:57:30,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:57:30,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:57:30,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:57:30,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:57:30,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:57:30,489 INFO L87 Difference]: Start difference. First operand 6149 states and 8664 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 08:57:30,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:57:30,689 INFO L93 Difference]: Finished difference Result 11528 states and 16241 transitions. [2024-12-02 08:57:30,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:57:30,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 292 [2024-12-02 08:57:30,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:57:30,714 INFO L225 Difference]: With dead ends: 11528 [2024-12-02 08:57:30,714 INFO L226 Difference]: Without dead ends: 6151 [2024-12-02 08:57:30,728 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 08:57:30,729 INFO L435 NwaCegarLoop]: 1531 mSDtfsCounter, 0 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3056 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 08:57:30,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3056 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:57:30,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2024-12-02 08:57:30,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 6151. [2024-12-02 08:57:30,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6151 states, 4646 states have (on average 1.3680585449849332) internal successors, (6356), 4692 states have internal predecessors, (6356), 1155 states have call successors, (1155), 350 states have call predecessors, (1155), 349 states have return successors, (1155), 1145 states have call predecessors, (1155), 1153 states have call successors, (1155) [2024-12-02 08:57:30,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6151 states to 6151 states and 8666 transitions. [2024-12-02 08:57:30,883 INFO L78 Accepts]: Start accepts. Automaton has 6151 states and 8666 transitions. Word has length 292 [2024-12-02 08:57:30,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:57:30,884 INFO L471 AbstractCegarLoop]: Abstraction has 6151 states and 8666 transitions. [2024-12-02 08:57:30,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 08:57:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 6151 states and 8666 transitions. [2024-12-02 08:57:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-12-02 08:57:30,889 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:57:30,890 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:30,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 08:57:30,890 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:57:30,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:57:30,890 INFO L85 PathProgramCache]: Analyzing trace with hash 139164238, now seen corresponding path program 1 times [2024-12-02 08:57:30,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:57:30,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346151655] [2024-12-02 08:57:30,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:57:30,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:57:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:57:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-12-02 08:57:34,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:57:34,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346151655] [2024-12-02 08:57:34,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346151655] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:57:34,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:57:34,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:57:34,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574006746] [2024-12-02 08:57:34,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:57:34,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:57:34,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:57:34,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:57:34,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:57:34,562 INFO L87 Difference]: Start difference. First operand 6151 states and 8666 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 08:57:38,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:42,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:42,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:57:42,909 INFO L93 Difference]: Finished difference Result 11692 states and 16497 transitions. [2024-12-02 08:57:42,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:57:42,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 292 [2024-12-02 08:57:42,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:57:42,932 INFO L225 Difference]: With dead ends: 11692 [2024-12-02 08:57:42,933 INFO L226 Difference]: Without dead ends: 6313 [2024-12-02 08:57:42,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 08:57:42,946 INFO L435 NwaCegarLoop]: 1526 mSDtfsCounter, 74 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 3044 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:57:42,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 3044 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2024-12-02 08:57:42,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6313 states. [2024-12-02 08:57:43,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6313 to 6311. [2024-12-02 08:57:43,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6311 states, 4758 states have (on average 1.3673812526271543) internal successors, (6506), 4810 states have internal predecessors, (6506), 1203 states have call successors, (1203), 350 states have call predecessors, (1203), 349 states have return successors, (1205), 1193 states have call predecessors, (1205), 1201 states have call successors, (1205) [2024-12-02 08:57:43,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8914 transitions. [2024-12-02 08:57:43,202 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8914 transitions. Word has length 292 [2024-12-02 08:57:43,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:57:43,203 INFO L471 AbstractCegarLoop]: Abstraction has 6311 states and 8914 transitions. [2024-12-02 08:57:43,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 08:57:43,203 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8914 transitions. [2024-12-02 08:57:43,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-12-02 08:57:43,213 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:57:43,213 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:43,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 08:57:43,214 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:57:43,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:57:43,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1002385717, now seen corresponding path program 1 times [2024-12-02 08:57:43,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:57:43,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252984744] [2024-12-02 08:57:43,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:57:43,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:57:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:57:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-12-02 08:57:47,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:57:47,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252984744] [2024-12-02 08:57:47,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252984744] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:57:47,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:57:47,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:57:47,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683448448] [2024-12-02 08:57:47,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:57:47,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:57:47,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:57:47,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:57:47,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:57:47,314 INFO L87 Difference]: Start difference. First operand 6311 states and 8914 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 08:57:47,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:57:47,921 INFO L93 Difference]: Finished difference Result 12804 states and 18229 transitions. [2024-12-02 08:57:47,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:57:47,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 314 [2024-12-02 08:57:47,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:57:47,959 INFO L225 Difference]: With dead ends: 12804 [2024-12-02 08:57:47,959 INFO L226 Difference]: Without dead ends: 6514 [2024-12-02 08:57:47,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:57:47,977 INFO L435 NwaCegarLoop]: 1534 mSDtfsCounter, 24 mSDsluCounter, 4581 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 6115 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:57:47,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 6115 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 08:57:47,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6514 states. [2024-12-02 08:57:48,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6514 to 6444. [2024-12-02 08:57:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6444 states, 4863 states have (on average 1.3695249845774213) internal successors, (6660), 4915 states have internal predecessors, (6660), 1224 states have call successors, (1224), 357 states have call predecessors, (1224), 356 states have return successors, (1226), 1214 states have call predecessors, (1226), 1222 states have call successors, (1226) [2024-12-02 08:57:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6444 states to 6444 states and 9110 transitions. [2024-12-02 08:57:48,147 INFO L78 Accepts]: Start accepts. Automaton has 6444 states and 9110 transitions. Word has length 314 [2024-12-02 08:57:48,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:57:48,147 INFO L471 AbstractCegarLoop]: Abstraction has 6444 states and 9110 transitions. [2024-12-02 08:57:48,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 08:57:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 6444 states and 9110 transitions. [2024-12-02 08:57:48,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-12-02 08:57:48,152 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:57:48,153 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:48,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 08:57:48,153 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:57:48,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:57:48,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1106891714, now seen corresponding path program 1 times [2024-12-02 08:57:48,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:57:48,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715146445] [2024-12-02 08:57:48,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:57:48,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:57:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:57:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-12-02 08:57:51,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:57:51,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715146445] [2024-12-02 08:57:51,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715146445] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:57:51,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:57:51,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:57:51,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173167032] [2024-12-02 08:57:51,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:57:51,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:57:51,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:57:51,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:57:51,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:57:51,892 INFO L87 Difference]: Start difference. First operand 6444 states and 9110 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 08:57:52,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:57:52,147 INFO L93 Difference]: Finished difference Result 12909 states and 18355 transitions. [2024-12-02 08:57:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:57:52,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 323 [2024-12-02 08:57:52,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:57:52,190 INFO L225 Difference]: With dead ends: 12909 [2024-12-02 08:57:52,190 INFO L226 Difference]: Without dead ends: 6486 [2024-12-02 08:57:52,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:57:52,205 INFO L435 NwaCegarLoop]: 1532 mSDtfsCounter, 0 mSDsluCounter, 4591 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6123 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:57:52,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6123 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:57:52,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6486 states. [2024-12-02 08:57:52,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6486 to 6472. [2024-12-02 08:57:52,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6472 states, 4884 states have (on average 1.367936117936118) internal successors, (6681), 4936 states have internal predecessors, (6681), 1224 states have call successors, (1224), 357 states have call predecessors, (1224), 363 states have return successors, (1233), 1221 states have call predecessors, (1233), 1222 states have call successors, (1233) [2024-12-02 08:57:52,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6472 states to 6472 states and 9138 transitions. [2024-12-02 08:57:52,365 INFO L78 Accepts]: Start accepts. Automaton has 6472 states and 9138 transitions. Word has length 323 [2024-12-02 08:57:52,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:57:52,366 INFO L471 AbstractCegarLoop]: Abstraction has 6472 states and 9138 transitions. [2024-12-02 08:57:52,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 08:57:52,366 INFO L276 IsEmpty]: Start isEmpty. Operand 6472 states and 9138 transitions. [2024-12-02 08:57:52,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-12-02 08:57:52,371 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:57:52,371 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:52,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 08:57:52,371 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:57:52,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:57:52,372 INFO L85 PathProgramCache]: Analyzing trace with hash -925701327, now seen corresponding path program 1 times [2024-12-02 08:57:52,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:57:52,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62792650] [2024-12-02 08:57:52,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:57:52,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:57:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:57:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-12-02 08:57:56,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:57:56,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62792650] [2024-12-02 08:57:56,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62792650] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:57:56,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283592599] [2024-12-02 08:57:56,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:57:56,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:57:56,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:57:56,752 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:57:56,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 08:58:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:01,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 4986 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:58:01,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:58:02,617 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-12-02 08:58:02,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:58:07,633 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-12-02 08:58:07,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283592599] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:58:07,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:58:07,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-12-02 08:58:07,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374865527] [2024-12-02 08:58:07,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:58:07,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 08:58:07,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:58:07,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 08:58:07,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:58:07,635 INFO L87 Difference]: Start difference. First operand 6472 states and 9138 transitions. Second operand has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 states have internal predecessors, (180), 5 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) [2024-12-02 08:58:10,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:10,022 INFO L93 Difference]: Finished difference Result 13420 states and 19132 transitions. [2024-12-02 08:58:10,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 08:58:10,023 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 states have internal predecessors, (180), 5 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) Word has length 327 [2024-12-02 08:58:10,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:10,048 INFO L225 Difference]: With dead ends: 13420 [2024-12-02 08:58:10,049 INFO L226 Difference]: Without dead ends: 6794 [2024-12-02 08:58:10,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 648 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2024-12-02 08:58:10,064 INFO L435 NwaCegarLoop]: 1534 mSDtfsCounter, 106 mSDsluCounter, 6144 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 7678 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:10,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 7678 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 08:58:10,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6794 states. [2024-12-02 08:58:10,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6794 to 6752. [2024-12-02 08:58:10,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6752 states, 5087 states have (on average 1.3573815608413604) internal successors, (6905), 5139 states have internal predecessors, (6905), 1301 states have call successors, (1301), 357 states have call predecessors, (1301), 363 states have return successors, (1310), 1298 states have call predecessors, (1310), 1299 states have call successors, (1310) [2024-12-02 08:58:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6752 states to 6752 states and 9516 transitions. [2024-12-02 08:58:10,237 INFO L78 Accepts]: Start accepts. Automaton has 6752 states and 9516 transitions. Word has length 327 [2024-12-02 08:58:10,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:10,238 INFO L471 AbstractCegarLoop]: Abstraction has 6752 states and 9516 transitions. [2024-12-02 08:58:10,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 states have internal predecessors, (180), 5 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 5 states have call successors, (42) [2024-12-02 08:58:10,238 INFO L276 IsEmpty]: Start isEmpty. Operand 6752 states and 9516 transitions. [2024-12-02 08:58:10,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-12-02 08:58:10,243 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:58:10,243 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:10,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 08:58:10,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:58:10,444 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:58:10,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:58:10,444 INFO L85 PathProgramCache]: Analyzing trace with hash 823127878, now seen corresponding path program 1 times [2024-12-02 08:58:10,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:58:10,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906690500] [2024-12-02 08:58:10,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:10,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:58:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:14,123 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-12-02 08:58:14,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:58:14,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906690500] [2024-12-02 08:58:14,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906690500] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:58:14,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:58:14,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:58:14,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911540049] [2024-12-02 08:58:14,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:58:14,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:58:14,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:58:14,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:58:14,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:58:14,125 INFO L87 Difference]: Start difference. First operand 6752 states and 9516 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 08:58:14,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:14,326 INFO L93 Difference]: Finished difference Result 13490 states and 19132 transitions. [2024-12-02 08:58:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:58:14,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 347 [2024-12-02 08:58:14,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:14,352 INFO L225 Difference]: With dead ends: 13490 [2024-12-02 08:58:14,352 INFO L226 Difference]: Without dead ends: 6759 [2024-12-02 08:58:14,367 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 08:58:14,368 INFO L435 NwaCegarLoop]: 1531 mSDtfsCounter, 0 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3057 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:14,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3057 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:58:14,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6759 states. [2024-12-02 08:58:14,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6759 to 6759. [2024-12-02 08:58:14,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6759 states, 5094 states have (on average 1.3568904593639577) internal successors, (6912), 5146 states have internal predecessors, (6912), 1301 states have call successors, (1301), 357 states have call predecessors, (1301), 363 states have return successors, (1310), 1298 states have call predecessors, (1310), 1299 states have call successors, (1310) [2024-12-02 08:58:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6759 states to 6759 states and 9523 transitions. [2024-12-02 08:58:14,537 INFO L78 Accepts]: Start accepts. Automaton has 6759 states and 9523 transitions. Word has length 347 [2024-12-02 08:58:14,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:14,538 INFO L471 AbstractCegarLoop]: Abstraction has 6759 states and 9523 transitions. [2024-12-02 08:58:14,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 08:58:14,538 INFO L276 IsEmpty]: Start isEmpty. Operand 6759 states and 9523 transitions. [2024-12-02 08:58:14,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-12-02 08:58:14,543 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:58:14,543 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:14,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 08:58:14,543 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:58:14,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:58:14,544 INFO L85 PathProgramCache]: Analyzing trace with hash 337813682, now seen corresponding path program 1 times [2024-12-02 08:58:14,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:58:14,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073028787] [2024-12-02 08:58:14,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:14,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:58:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:18,621 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-12-02 08:58:18,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:58:18,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073028787] [2024-12-02 08:58:18,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073028787] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:58:18,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:58:18,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 08:58:18,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358185136] [2024-12-02 08:58:18,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:58:18,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:58:18,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:58:18,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:58:18,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:58:18,623 INFO L87 Difference]: Start difference. First operand 6759 states and 9523 transitions. Second operand has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 08:58:19,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:19,744 INFO L93 Difference]: Finished difference Result 13707 states and 19470 transitions. [2024-12-02 08:58:19,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:58:19,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) Word has length 349 [2024-12-02 08:58:19,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:19,771 INFO L225 Difference]: With dead ends: 13707 [2024-12-02 08:58:19,771 INFO L226 Difference]: Without dead ends: 6969 [2024-12-02 08:58:19,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:58:19,786 INFO L435 NwaCegarLoop]: 1554 mSDtfsCounter, 25 mSDsluCounter, 6140 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 7694 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:19,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 7694 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 08:58:19,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6969 states. [2024-12-02 08:58:19,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6969 to 6885. [2024-12-02 08:58:19,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6885 states, 5213 states have (on average 1.358143103779014) internal successors, (7080), 5265 states have internal predecessors, (7080), 1301 states have call successors, (1301), 357 states have call predecessors, (1301), 370 states have return successors, (1331), 1305 states have call predecessors, (1331), 1299 states have call successors, (1331) [2024-12-02 08:58:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6885 states to 6885 states and 9712 transitions. [2024-12-02 08:58:19,951 INFO L78 Accepts]: Start accepts. Automaton has 6885 states and 9712 transitions. Word has length 349 [2024-12-02 08:58:19,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:19,951 INFO L471 AbstractCegarLoop]: Abstraction has 6885 states and 9712 transitions. [2024-12-02 08:58:19,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 08:58:19,951 INFO L276 IsEmpty]: Start isEmpty. Operand 6885 states and 9712 transitions. [2024-12-02 08:58:19,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-12-02 08:58:19,956 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:58:19,956 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:19,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 08:58:19,956 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:58:19,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:58:19,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1680329508, now seen corresponding path program 1 times [2024-12-02 08:58:19,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:58:19,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329479121] [2024-12-02 08:58:19,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:19,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:58:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:23,875 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 08:58:23,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:58:23,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329479121] [2024-12-02 08:58:23,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329479121] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:58:23,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:58:23,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:58:23,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924155911] [2024-12-02 08:58:23,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:58:23,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:58:23,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:58:23,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:58:23,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:58:23,876 INFO L87 Difference]: Start difference. First operand 6885 states and 9712 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 08:58:24,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:24,152 INFO L93 Difference]: Finished difference Result 13777 states and 19545 transitions. [2024-12-02 08:58:24,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:58:24,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 352 [2024-12-02 08:58:24,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:24,176 INFO L225 Difference]: With dead ends: 13777 [2024-12-02 08:58:24,176 INFO L226 Difference]: Without dead ends: 6913 [2024-12-02 08:58:24,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:58:24,192 INFO L435 NwaCegarLoop]: 1530 mSDtfsCounter, 0 mSDsluCounter, 4584 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6114 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:24,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6114 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:58:24,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2024-12-02 08:58:24,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6913. [2024-12-02 08:58:24,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6913 states, 5234 states have (on average 1.3567061520825372) internal successors, (7101), 5286 states have internal predecessors, (7101), 1301 states have call successors, (1301), 357 states have call predecessors, (1301), 377 states have return successors, (1338), 1312 states have call predecessors, (1338), 1299 states have call successors, (1338) [2024-12-02 08:58:24,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 9740 transitions. [2024-12-02 08:58:24,351 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 9740 transitions. Word has length 352 [2024-12-02 08:58:24,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:24,352 INFO L471 AbstractCegarLoop]: Abstraction has 6913 states and 9740 transitions. [2024-12-02 08:58:24,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 08:58:24,352 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 9740 transitions. [2024-12-02 08:58:24,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-12-02 08:58:24,356 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:58:24,356 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:24,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 08:58:24,356 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:58:24,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:58:24,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1583815992, now seen corresponding path program 1 times [2024-12-02 08:58:24,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:58:24,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109138542] [2024-12-02 08:58:24,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:24,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:58:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:30,491 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-02 08:58:30,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:58:30,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109138542] [2024-12-02 08:58:30,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109138542] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:58:30,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184409171] [2024-12-02 08:58:30,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:30,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:58:30,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:58:30,493 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:58:30,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 08:58:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:36,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 5105 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 08:58:36,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:58:36,943 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-12-02 08:58:36,943 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:58:36,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184409171] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:58:36,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:58:36,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-12-02 08:58:36,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49941828] [2024-12-02 08:58:36,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:58:36,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:58:36,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:58:36,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:58:36,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:58:36,945 INFO L87 Difference]: Start difference. First operand 6913 states and 9740 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 08:58:37,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:37,219 INFO L93 Difference]: Finished difference Result 12976 states and 18285 transitions. [2024-12-02 08:58:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:58:37,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 354 [2024-12-02 08:58:37,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:37,244 INFO L225 Difference]: With dead ends: 12976 [2024-12-02 08:58:37,244 INFO L226 Difference]: Without dead ends: 6913 [2024-12-02 08:58:37,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:58:37,257 INFO L435 NwaCegarLoop]: 1529 mSDtfsCounter, 2 mSDsluCounter, 3050 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4579 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:37,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4579 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:58:37,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2024-12-02 08:58:37,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6913. [2024-12-02 08:58:37,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6913 states, 5234 states have (on average 1.3563240351547574) internal successors, (7099), 5286 states have internal predecessors, (7099), 1301 states have call successors, (1301), 357 states have call predecessors, (1301), 377 states have return successors, (1338), 1312 states have call predecessors, (1338), 1299 states have call successors, (1338) [2024-12-02 08:58:37,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 9738 transitions. [2024-12-02 08:58:37,433 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 9738 transitions. Word has length 354 [2024-12-02 08:58:37,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:37,433 INFO L471 AbstractCegarLoop]: Abstraction has 6913 states and 9738 transitions. [2024-12-02 08:58:37,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 08:58:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 9738 transitions. [2024-12-02 08:58:37,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-12-02 08:58:37,437 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:58:37,438 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:37,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 08:58:37,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:58:37,638 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:58:37,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:58:37,639 INFO L85 PathProgramCache]: Analyzing trace with hash -406988866, now seen corresponding path program 1 times [2024-12-02 08:58:37,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:58:37,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320748971] [2024-12-02 08:58:37,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:37,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:58:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:43,896 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-12-02 08:58:43,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:58:43,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320748971] [2024-12-02 08:58:43,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320748971] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:58:43,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015229589] [2024-12-02 08:58:43,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:43,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:58:43,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:58:43,898 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:58:43,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 08:58:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:49,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 5111 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:58:49,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:58:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-12-02 08:58:51,101 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:58:51,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015229589] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:58:51,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:58:51,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-12-02 08:58:51,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528739669] [2024-12-02 08:58:51,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:58:51,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:58:51,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:58:51,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:58:51,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:58:51,103 INFO L87 Difference]: Start difference. First operand 6913 states and 9738 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 4 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-12-02 08:58:51,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:51,777 INFO L93 Difference]: Finished difference Result 14043 states and 19912 transitions. [2024-12-02 08:58:51,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:58:51,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 4 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 358 [2024-12-02 08:58:51,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:51,805 INFO L225 Difference]: With dead ends: 14043 [2024-12-02 08:58:51,805 INFO L226 Difference]: Without dead ends: 7151 [2024-12-02 08:58:51,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-12-02 08:58:51,821 INFO L435 NwaCegarLoop]: 1526 mSDtfsCounter, 19 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 4558 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:51,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 4558 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:58:51,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7151 states. [2024-12-02 08:58:52,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7151 to 7109. [2024-12-02 08:58:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7109 states, 5381 states have (on average 1.353094220405129) internal successors, (7281), 5419 states have internal predecessors, (7281), 1343 states have call successors, (1343), 364 states have call predecessors, (1343), 384 states have return successors, (1387), 1368 states have call predecessors, (1387), 1341 states have call successors, (1387) [2024-12-02 08:58:52,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7109 states to 7109 states and 10011 transitions. [2024-12-02 08:58:52,040 INFO L78 Accepts]: Start accepts. Automaton has 7109 states and 10011 transitions. Word has length 358 [2024-12-02 08:58:52,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:52,040 INFO L471 AbstractCegarLoop]: Abstraction has 7109 states and 10011 transitions. [2024-12-02 08:58:52,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 4 states have internal predecessors, (172), 4 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-12-02 08:58:52,041 INFO L276 IsEmpty]: Start isEmpty. Operand 7109 states and 10011 transitions. [2024-12-02 08:58:52,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-12-02 08:58:52,044 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:58:52,045 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:52,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 08:58:52,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-02 08:58:52,245 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:58:52,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:58:52,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1083445921, now seen corresponding path program 1 times [2024-12-02 08:58:52,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:58:52,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830541011] [2024-12-02 08:58:52,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:52,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:58:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-12-02 08:58:58,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:58:58,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830541011] [2024-12-02 08:58:58,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830541011] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:58:58,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321087304] [2024-12-02 08:58:58,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:58,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:58:58,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:58:58,501 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:58:58,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 08:59:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:59:04,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 5114 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-02 08:59:04,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:59:05,154 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-12-02 08:59:05,155 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:59:05,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321087304] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:59:05,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:59:05,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 12 [2024-12-02 08:59:05,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728339632] [2024-12-02 08:59:05,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:59:05,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 08:59:05,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:59:05,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 08:59:05,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:59:05,157 INFO L87 Difference]: Start difference. First operand 7109 states and 10011 transitions. Second operand has 8 states, 8 states have (on average 24.25) internal successors, (194), 6 states have internal predecessors, (194), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 08:59:05,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:59:05,718 INFO L93 Difference]: Finished difference Result 13358 states and 18817 transitions. [2024-12-02 08:59:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 08:59:05,719 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.25) internal successors, (194), 6 states have internal predecessors, (194), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) Word has length 360 [2024-12-02 08:59:05,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:59:05,748 INFO L225 Difference]: With dead ends: 13358 [2024-12-02 08:59:05,748 INFO L226 Difference]: Without dead ends: 7135 [2024-12-02 08:59:05,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:59:05,764 INFO L435 NwaCegarLoop]: 1527 mSDtfsCounter, 0 mSDsluCounter, 9153 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10680 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:59:05,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10680 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:59:05,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7135 states. [2024-12-02 08:59:05,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7135 to 7125. [2024-12-02 08:59:05,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7125 states, 5393 states have (on average 1.3523085481179307) internal successors, (7293), 5431 states have internal predecessors, (7293), 1343 states have call successors, (1343), 364 states have call predecessors, (1343), 388 states have return successors, (1401), 1372 states have call predecessors, (1401), 1341 states have call successors, (1401) [2024-12-02 08:59:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7125 states to 7125 states and 10037 transitions. [2024-12-02 08:59:05,939 INFO L78 Accepts]: Start accepts. Automaton has 7125 states and 10037 transitions. Word has length 360 [2024-12-02 08:59:05,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:59:05,940 INFO L471 AbstractCegarLoop]: Abstraction has 7125 states and 10037 transitions. [2024-12-02 08:59:05,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.25) internal successors, (194), 6 states have internal predecessors, (194), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 08:59:05,940 INFO L276 IsEmpty]: Start isEmpty. Operand 7125 states and 10037 transitions. [2024-12-02 08:59:05,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2024-12-02 08:59:05,944 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:59:05,944 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:05,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 08:59:06,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-02 08:59:06,145 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:59:06,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:59:06,145 INFO L85 PathProgramCache]: Analyzing trace with hash -783144836, now seen corresponding path program 1 times [2024-12-02 08:59:06,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:59:06,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493408390] [2024-12-02 08:59:06,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:59:06,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:59:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:59:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-12-02 08:59:12,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:59:12,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493408390] [2024-12-02 08:59:12,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493408390] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:59:12,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075282139] [2024-12-02 08:59:12,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:59:12,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:59:12,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:59:12,383 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:59:12,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 08:59:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:59:18,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 5181 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-02 08:59:18,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:59:19,019 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 08:59:19,020 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:59:19,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075282139] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:59:19,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:59:19,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 10 [2024-12-02 08:59:19,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675304872] [2024-12-02 08:59:19,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:59:19,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 08:59:19,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:59:19,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 08:59:19,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:59:19,022 INFO L87 Difference]: Start difference. First operand 7125 states and 10037 transitions. Second operand has 10 states, 10 states have (on average 19.5) internal successors, (195), 7 states have internal predecessors, (195), 2 states have call successors, (45), 2 states have call predecessors, (45), 5 states have return successors, (42), 5 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-02 08:59:23,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:59:23,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:59:23,898 INFO L93 Difference]: Finished difference Result 13384 states and 18857 transitions. [2024-12-02 08:59:23,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 08:59:23,908 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.5) internal successors, (195), 7 states have internal predecessors, (195), 2 states have call successors, (45), 2 states have call predecessors, (45), 5 states have return successors, (42), 5 states have call predecessors, (42), 2 states have call successors, (42) Word has length 380 [2024-12-02 08:59:23,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:59:23,935 INFO L225 Difference]: With dead ends: 13384 [2024-12-02 08:59:23,935 INFO L226 Difference]: Without dead ends: 7145 [2024-12-02 08:59:23,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:59:23,949 INFO L435 NwaCegarLoop]: 1528 mSDtfsCounter, 0 mSDsluCounter, 12199 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13727 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:59:23,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13727 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 08:59:23,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7145 states. [2024-12-02 08:59:24,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7145 to 7135. [2024-12-02 08:59:24,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7135 states, 5401 states have (on average 1.3517867061655249) internal successors, (7301), 5437 states have internal predecessors, (7301), 1343 states have call successors, (1343), 364 states have call predecessors, (1343), 390 states have return successors, (1407), 1376 states have call predecessors, (1407), 1341 states have call successors, (1407) [2024-12-02 08:59:24,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7135 states to 7135 states and 10051 transitions. [2024-12-02 08:59:24,120 INFO L78 Accepts]: Start accepts. Automaton has 7135 states and 10051 transitions. Word has length 380 [2024-12-02 08:59:24,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:59:24,120 INFO L471 AbstractCegarLoop]: Abstraction has 7135 states and 10051 transitions. [2024-12-02 08:59:24,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.5) internal successors, (195), 7 states have internal predecessors, (195), 2 states have call successors, (45), 2 states have call predecessors, (45), 5 states have return successors, (42), 5 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-02 08:59:24,121 INFO L276 IsEmpty]: Start isEmpty. Operand 7135 states and 10051 transitions. [2024-12-02 08:59:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2024-12-02 08:59:24,125 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:59:24,125 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:24,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 08:59:24,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:59:24,326 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:59:24,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:59:24,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1285084466, now seen corresponding path program 2 times [2024-12-02 08:59:24,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:59:24,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854209439] [2024-12-02 08:59:24,327 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 08:59:24,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:59:27,826 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 08:59:27,826 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 08:59:28,465 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-12-02 08:59:28,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:59:28,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854209439] [2024-12-02 08:59:28,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854209439] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:59:28,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:59:28,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:59:28,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227921960] [2024-12-02 08:59:28,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:59:28,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:59:28,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:59:28,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:59:28,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:59:28,468 INFO L87 Difference]: Start difference. First operand 7135 states and 10051 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 08:59:28,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:59:28,749 INFO L93 Difference]: Finished difference Result 14277 states and 20230 transitions. [2024-12-02 08:59:28,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:59:28,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 420 [2024-12-02 08:59:28,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:59:28,778 INFO L225 Difference]: With dead ends: 14277 [2024-12-02 08:59:28,778 INFO L226 Difference]: Without dead ends: 7163 [2024-12-02 08:59:28,794 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 08:59:28,795 INFO L435 NwaCegarLoop]: 1529 mSDtfsCounter, 0 mSDsluCounter, 3050 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4579 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:59:28,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4579 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:59:28,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7163 states. [2024-12-02 08:59:28,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7163 to 7163. [2024-12-02 08:59:28,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7163 states, 5429 states have (on average 1.3499723706023208) internal successors, (7329), 5465 states have internal predecessors, (7329), 1343 states have call successors, (1343), 364 states have call predecessors, (1343), 390 states have return successors, (1407), 1376 states have call predecessors, (1407), 1341 states have call successors, (1407) [2024-12-02 08:59:28,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7163 states to 7163 states and 10079 transitions. [2024-12-02 08:59:28,972 INFO L78 Accepts]: Start accepts. Automaton has 7163 states and 10079 transitions. Word has length 420 [2024-12-02 08:59:28,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:59:28,972 INFO L471 AbstractCegarLoop]: Abstraction has 7163 states and 10079 transitions. [2024-12-02 08:59:28,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 08:59:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 7163 states and 10079 transitions. [2024-12-02 08:59:28,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-12-02 08:59:28,977 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:59:28,977 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:59:28,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 08:59:28,977 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:59:28,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:59:28,978 INFO L85 PathProgramCache]: Analyzing trace with hash 634510865, now seen corresponding path program 1 times [2024-12-02 08:59:28,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:59:28,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718791474] [2024-12-02 08:59:28,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:59:28,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:59:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:59:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-12-02 08:59:35,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:59:35,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718791474] [2024-12-02 08:59:35,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718791474] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:59:35,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491876698] [2024-12-02 08:59:35,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:59:35,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:59:35,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:59:35,622 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:59:35,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 08:59:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:59:42,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 5249 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 08:59:42,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:59:42,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-02 08:59:42,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-02 08:59:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-12-02 08:59:42,809 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:59:42,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491876698] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:59:42,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:59:42,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 10 [2024-12-02 08:59:42,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803696662] [2024-12-02 08:59:42,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:59:42,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 08:59:42,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:59:42,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 08:59:42,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:59:42,811 INFO L87 Difference]: Start difference. First operand 7163 states and 10079 transitions. Second operand has 8 states, 8 states have (on average 26.125) internal successors, (209), 6 states have internal predecessors, (209), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (47), 4 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 08:59:46,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:59:53,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:59:57,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 09:00:01,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 09:00:02,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:00:02,280 INFO L93 Difference]: Finished difference Result 13474 states and 18963 transitions. [2024-12-02 09:00:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 09:00:02,281 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.125) internal successors, (209), 6 states have internal predecessors, (209), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (47), 4 states have call predecessors, (47), 2 states have call successors, (47) Word has length 401 [2024-12-02 09:00:02,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:00:02,310 INFO L225 Difference]: With dead ends: 13474 [2024-12-02 09:00:02,310 INFO L226 Difference]: Without dead ends: 7201 [2024-12-02 09:00:02,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 09:00:02,325 INFO L435 NwaCegarLoop]: 1538 mSDtfsCounter, 5 mSDsluCounter, 9027 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 10565 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2024-12-02 09:00:02,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 10565 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 4 Unknown, 0 Unchecked, 19.1s Time] [2024-12-02 09:00:02,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7201 states. [2024-12-02 09:00:02,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7201 to 7173. [2024-12-02 09:00:02,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7173 states, 5437 states have (on average 1.349825271289314) internal successors, (7339), 5471 states have internal predecessors, (7339), 1343 states have call successors, (1343), 364 states have call predecessors, (1343), 392 states have return successors, (1411), 1380 states have call predecessors, (1411), 1341 states have call successors, (1411) [2024-12-02 09:00:02,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7173 states to 7173 states and 10093 transitions. [2024-12-02 09:00:02,501 INFO L78 Accepts]: Start accepts. Automaton has 7173 states and 10093 transitions. Word has length 401 [2024-12-02 09:00:02,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:00:02,501 INFO L471 AbstractCegarLoop]: Abstraction has 7173 states and 10093 transitions. [2024-12-02 09:00:02,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.125) internal successors, (209), 6 states have internal predecessors, (209), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (47), 4 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 09:00:02,501 INFO L276 IsEmpty]: Start isEmpty. Operand 7173 states and 10093 transitions. [2024-12-02 09:00:02,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2024-12-02 09:00:02,505 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:00:02,506 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:00:02,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 09:00:02,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 09:00:02,706 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 09:00:02,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:00:02,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1127867116, now seen corresponding path program 2 times [2024-12-02 09:00:02,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:00:02,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934122456] [2024-12-02 09:00:02,707 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 09:00:02,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:00:06,192 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 09:00:06,193 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 09:00:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-12-02 09:00:09,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:00:09,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934122456] [2024-12-02 09:00:09,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934122456] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 09:00:09,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303106565] [2024-12-02 09:00:09,462 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 09:00:09,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 09:00:09,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 09:00:09,464 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 09:00:09,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96d9d594-bca1-4b0d-8d8a-7de3552f7237/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process