./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_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/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_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB --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 [2024-11-28 04:39:09,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:39:09,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:39:09,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:39:09,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:39:09,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:39:09,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:39:09,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:39:09,675 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:39:09,676 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:39:09,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:39:09,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:39:09,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:39:09,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:39:09,679 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:39:09,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:39:09,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:39:09,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:39:09,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:39:09,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:39:09,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:39:09,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:39:09,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:39:09,681 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:39:09,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:39:09,681 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:39:09,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:39:09,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:39:09,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:39:09,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:39:09,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:39:09,682 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:39:09,683 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:39:09,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:39:09,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:39:09,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:39:09,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:39:09,684 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:39:09,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:39:09,684 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:39:09,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:39:09,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:39:09,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:39:09,685 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:39:09,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:39:09,685 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_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 04:39:10,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:39:10,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:39:10,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:39:10,121 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:39:10,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:39:10,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2024-11-28 04:39:13,741 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/data/086ed38e5/4781891eb4d3408c8907a19b0c63513c/FLAG75c63d9ac [2024-11-28 04:39:14,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:39:14,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2024-11-28 04:39:14,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/data/086ed38e5/4781891eb4d3408c8907a19b0c63513c/FLAG75c63d9ac [2024-11-28 04:39:14,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/data/086ed38e5/4781891eb4d3408c8907a19b0c63513c [2024-11-28 04:39:14,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:39:14,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:39:14,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:39:14,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:39:14,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:39:14,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:14" (1/1) ... [2024-11-28 04:39:14,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c15eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:14, skipping insertion in model container [2024-11-28 04:39:14,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:14" (1/1) ... [2024-11-28 04:39:14,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:39:16,869 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_00a028c1-88b8-4edf-b8d7-726fd00e3a92/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] [2024-11-28 04:39:16,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:39:16,981 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:39:17,190 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] [2024-11-28 04:39:17,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4392] [2024-11-28 04:39:17,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4395] [2024-11-28 04:39:17,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4398] [2024-11-28 04:39:17,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4401] [2024-11-28 04:39:17,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [4688] [2024-11-28 04:39:17,294 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] [2024-11-28 04:39:17,294 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] [2024-11-28 04:39:17,295 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] [2024-11-28 04:39:17,295 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] [2024-11-28 04:39:17,475 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_00a028c1-88b8-4edf-b8d7-726fd00e3a92/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] [2024-11-28 04:39:17,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:39:17,626 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:39:17,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17 WrapperNode [2024-11-28 04:39:17,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:39:17,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:39:17,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:39:17,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:39:17,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:17,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:17,974 INFO L138 Inliner]: procedures = 210, calls = 1406, calls flagged for inlining = 108, calls inlined = 108, statements flattened = 3607 [2024-11-28 04:39:17,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:39:17,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:39:17,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:39:17,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:39:17,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:17,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:18,052 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:18,715 INFO L175 MemorySlicer]: Split 890 memory accesses to 22 slices as follows [2, 1, 8, 43, 10, 1, 9, 2, 14, 20, 386, 1, 3, 2, 2, 4, 1, 7, 8, 274, 84, 8]. 43 percent of accesses are in the largest equivalence class. The 59 initializations are split as follows [2, 0, 8, 0, 0, 0, 0, 0, 0, 14, 19, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 8]. The 460 writes are split as follows [0, 0, 0, 43, 3, 1, 3, 1, 12, 4, 116, 0, 2, 1, 1, 4, 0, 3, 0, 182, 84, 0]. [2024-11-28 04:39:18,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:18,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:18,939 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:18,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:18,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:19,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:19,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:19,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:39:19,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:39:19,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:39:19,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:39:19,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (1/1) ... [2024-11-28 04:39:19,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:39:19,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:19,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:39:19,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:39:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_fe_init [2024-11-28 04:39:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_fe_init [2024-11-28 04:39:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2024-11-28 04:39:19,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2024-11-28 04:39:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 04:39:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 04:39:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 04:39:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 04:39:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 04:39:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 04:39:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 04:39:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 04:39:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 04:39:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 04:39:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 04:39:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 04:39:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 04:39:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 04:39:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-28 04:39:19,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-28 04:39:19,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-28 04:39:19,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-28 04:39:19,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-28 04:39:19,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-28 04:39:19,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-28 04:39:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-28 04:39:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:39:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:39:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:39:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:39:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:39:19,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:39:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 04:39:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 04:39:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 04:39:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 04:39:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 04:39:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 04:39:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 04:39:19,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 04:39:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 04:39:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 04:39:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 04:39:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 04:39:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 04:39:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 04:39:19,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-28 04:39:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-28 04:39:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-28 04:39:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-28 04:39:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 04:39:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 04:39:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 04:39:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 04:39:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure wait_i2c_result [2024-11-28 04:39:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_i2c_result [2024-11-28 04:39:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2024-11-28 04:39:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2024-11-28 04:39:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-28 04:39:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-28 04:39:19,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 04:39:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 04:39:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_streaming [2024-11-28 04:39:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_streaming [2024-11-28 04:39:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-11-28 04:39:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-11-28 04:39:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-11-28 04:39:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-11-28 04:39:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-11-28 04:39:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-11-28 04:39:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2024-11-28 04:39:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2024-11-28 04:39:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_lnb_ctrl [2024-11-28 04:39:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_lnb_ctrl [2024-11-28 04:39:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 04:39:19,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 04:39:19,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 04:39:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 04:39:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:39:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:39:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2024-11-28 04:39:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2024-11-28 04:39:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_free_dmabuf [2024-11-28 04:39:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_free_dmabuf [2024-11-28 04:39:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-28 04:39:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-28 04:39:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_alloc_dmabuf [2024-11-28 04:39:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_alloc_dmabuf [2024-11-28 04:39:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:39:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2024-11-28 04:39:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2024-11-28 04:39:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:39:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:39:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:39:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:39:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-28 04:39:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-28 04:39:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-28 04:39:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-28 04:39:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-28 04:39:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-28 04:39:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 04:39:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 04:39:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2024-11-28 04:39:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2024-11-28 04:39:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-28 04:39:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-28 04:39:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:39:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:39:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:39:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:39:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:39:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:39:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:39:19,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 04:39:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 04:39:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 04:39:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 04:39:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 04:39:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 04:39:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 04:39:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 04:39:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 04:39:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 04:39:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 04:39:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 04:39:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 04:39:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-28 04:39:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-28 04:39:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-28 04:39:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2024-11-28 04:39:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2024-11-28 04:39:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_base [2024-11-28 04:39:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_base [2024-11-28 04:39:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-28 04:39:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-28 04:39:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 04:39:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 04:39:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-28 04:39:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-28 04:39:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 04:39:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 04:39:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 04:39:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 04:39:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-28 04:39:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-28 04:39:19,228 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_resume [2024-11-28 04:39:19,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_resume [2024-11-28 04:39:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-28 04:39:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-28 04:39:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:39:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:39:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:39:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:39:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:39:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:39:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 04:39:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-28 04:39:19,233 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-28 04:39:19,233 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_demod_write [2024-11-28 04:39:19,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_demod_write [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-28 04:39:19,234 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 04:39:19,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 04:39:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 04:39:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 04:39:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 04:39:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 04:39:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 04:39:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 04:39:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure send_i2c_cmd [2024-11-28 04:39:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure send_i2c_cmd [2024-11-28 04:39:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 04:39:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 04:39:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 04:39:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 04:39:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 04:39:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 04:39:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 04:39:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 04:39:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 04:39:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 04:39:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 04:39:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 04:39:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 04:39:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 04:39:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-28 04:39:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-28 04:39:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-28 04:39:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-28 04:39:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-28 04:39:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-28 04:39:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-28 04:39:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-28 04:39:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 04:39:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 04:39:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 04:39:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 04:39:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 04:39:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 04:39:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 04:39:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 04:39:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 04:39:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 04:39:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 04:39:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-28 04:39:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter_packets [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter_packets [2024-11-28 04:39:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 04:39:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure cmdbuf_add [2024-11-28 04:39:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure cmdbuf_add [2024-11-28 04:39:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 04:39:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 04:39:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 04:39:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 04:39:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 04:39:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_dma [2024-11-28 04:39:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_dma [2024-11-28 04:39:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-28 04:39:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-28 04:39:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 04:39:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 04:39:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure put_byte_write [2024-11-28 04:39:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure put_byte_write [2024-11-28 04:39:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2024-11-28 04:39:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2024-11-28 04:39:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 04:39:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 04:39:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:39:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_set_tuner_power [2024-11-28 04:39:19,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_set_tuner_power [2024-11-28 04:39:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2024-11-28 04:39:19,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 04:39:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 04:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 04:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 04:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 04:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-28 04:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-28 04:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_suspend [2024-11-28 04:39:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_suspend [2024-11-28 04:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-28 04:39:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-28 04:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_start_dma [2024-11-28 04:39:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_start_dma [2024-11-28 04:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_find_adapter [2024-11-28 04:39:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_find_adapter [2024-11-28 04:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-28 04:39:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-28 04:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_init_dmabuf [2024-11-28 04:39:19,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_init_dmabuf [2024-11-28 04:39:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2024-11-28 04:39:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-28 04:39:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2024-11-28 04:39:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_cleanup_adapter [2024-11-28 04:39:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_cleanup_adapter [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-28 04:39:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 04:39:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:39:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:39:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-28 04:39:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-28 04:39:20,558 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:39:20,562 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:39:22,548 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 04:39:46,625 INFO L? ?]: Removed 1609 outVars from TransFormulas that were not future-live. [2024-11-28 04:39:46,626 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:39:46,699 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:39:46,699 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:39:46,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:46 BoogieIcfgContainer [2024-11-28 04:39:46,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:39:46,702 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:39:46,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:39:46,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:39:46,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:39:14" (1/3) ... [2024-11-28 04:39:46,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7164f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:39:46, skipping insertion in model container [2024-11-28 04:39:46,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:17" (2/3) ... [2024-11-28 04:39:46,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7164f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:39:46, skipping insertion in model container [2024-11-28 04:39:46,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:46" (3/3) ... [2024-11-28 04:39:46,714 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 [2024-11-28 04:39:46,739 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:39:46,743 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. [2024-11-28 04:39:46,893 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:39:46,911 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;@1b0fccd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:39:46,911 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:39:46,924 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) [2024-11-28 04:39:46,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 04:39:46,938 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:46,939 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] [2024-11-28 04:39:46,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:39:46,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:46,948 INFO L85 PathProgramCache]: Analyzing trace with hash 2056666522, now seen corresponding path program 1 times [2024-11-28 04:39:46,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:46,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155633412] [2024-11-28 04:39:46,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:46,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-28 04:39:54,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:54,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155633412] [2024-11-28 04:39:54,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155633412] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:39:54,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420112587] [2024-11-28 04:39:54,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:54,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:54,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:54,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:39:54,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:40:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:00,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 3035 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:40:00,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:40:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-28 04:40:00,532 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:40:00,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420112587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:00,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:40:00,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:40:00,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022732255] [2024-11-28 04:40:00,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:00,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:40:00,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:00,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:40:00,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:40:00,571 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) [2024-11-28 04:40:00,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:00,814 INFO L93 Difference]: Finished difference Result 2201 states and 3167 transitions. [2024-11-28 04:40:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:40:00,817 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 [2024-11-28 04:40:00,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:00,865 INFO L225 Difference]: With dead ends: 2201 [2024-11-28 04:40:00,865 INFO L226 Difference]: Without dead ends: 1091 [2024-11-28 04:40:00,879 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 [2024-11-28 04:40:00,883 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 [2024-11-28 04:40:00,884 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] [2024-11-28 04:40:00,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2024-11-28 04:40:01,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2024-11-28 04:40:01,024 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) [2024-11-28 04:40:01,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1532 transitions. [2024-11-28 04:40:01,049 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1532 transitions. Word has length 51 [2024-11-28 04:40:01,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:01,050 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1532 transitions. [2024-11-28 04:40:01,050 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) [2024-11-28 04:40:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1532 transitions. [2024-11-28 04:40:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 04:40:01,053 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:01,053 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] [2024-11-28 04:40:01,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:40:01,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:40:01,255 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:40:01,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:01,255 INFO L85 PathProgramCache]: Analyzing trace with hash 550845718, now seen corresponding path program 1 times [2024-11-28 04:40:01,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:01,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664940252] [2024-11-28 04:40:01,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:01,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:06,553 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-28 04:40:06,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:06,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664940252] [2024-11-28 04:40:06,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664940252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:06,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:06,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:40:06,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889911039] [2024-11-28 04:40:06,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:06,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:40:06,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:06,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:40:06,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:06,558 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) [2024-11-28 04:40:10,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:11,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:11,479 INFO L93 Difference]: Finished difference Result 3234 states and 4547 transitions. [2024-11-28 04:40:11,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:40:11,479 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 [2024-11-28 04:40:11,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:11,507 INFO L225 Difference]: With dead ends: 3234 [2024-11-28 04:40:11,507 INFO L226 Difference]: Without dead ends: 2153 [2024-11-28 04:40:11,515 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 [2024-11-28 04:40:11,516 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, 4.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:11,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 3056 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-28 04:40:11,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2024-11-28 04:40:11,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2150. [2024-11-28 04:40:11,661 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) [2024-11-28 04:40:11,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 2150 states and 3023 transitions. [2024-11-28 04:40:11,685 INFO L78 Accepts]: Start accepts. Automaton has 2150 states and 3023 transitions. Word has length 51 [2024-11-28 04:40:11,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:11,687 INFO L471 AbstractCegarLoop]: Abstraction has 2150 states and 3023 transitions. [2024-11-28 04:40:11,688 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) [2024-11-28 04:40:11,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 3023 transitions. [2024-11-28 04:40:11,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 04:40:11,698 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:11,699 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] [2024-11-28 04:40:11,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:40:11,699 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:40:11,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:11,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1765429909, now seen corresponding path program 1 times [2024-11-28 04:40:11,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:11,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137500939] [2024-11-28 04:40:11,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:11,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:17,354 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 04:40:17,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:17,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137500939] [2024-11-28 04:40:17,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137500939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:17,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:17,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:40:17,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327721131] [2024-11-28 04:40:17,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:17,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:40:17,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:17,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:40:17,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:17,358 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) [2024-11-28 04:40:17,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:17,692 INFO L93 Difference]: Finished difference Result 6427 states and 9056 transitions. [2024-11-28 04:40:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:40:17,693 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 [2024-11-28 04:40:17,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:17,736 INFO L225 Difference]: With dead ends: 6427 [2024-11-28 04:40:17,736 INFO L226 Difference]: Without dead ends: 4282 [2024-11-28 04:40:17,751 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 [2024-11-28 04:40:17,752 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 [2024-11-28 04:40:17,753 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] [2024-11-28 04:40:17,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4282 states. [2024-11-28 04:40:18,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4282 to 4278. [2024-11-28 04:40:18,016 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) [2024-11-28 04:40:18,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4278 states to 4278 states and 6021 transitions. [2024-11-28 04:40:18,069 INFO L78 Accepts]: Start accepts. Automaton has 4278 states and 6021 transitions. Word has length 71 [2024-11-28 04:40:18,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:18,070 INFO L471 AbstractCegarLoop]: Abstraction has 4278 states and 6021 transitions. [2024-11-28 04:40:18,070 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) [2024-11-28 04:40:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 6021 transitions. [2024-11-28 04:40:18,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 04:40:18,075 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:18,075 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] [2024-11-28 04:40:18,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:40:18,075 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:40:18,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:18,076 INFO L85 PathProgramCache]: Analyzing trace with hash 2069612988, now seen corresponding path program 1 times [2024-11-28 04:40:18,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:18,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701402334] [2024-11-28 04:40:18,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:18,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-28 04:40:23,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:23,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701402334] [2024-11-28 04:40:23,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701402334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:23,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:23,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:40:23,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442627526] [2024-11-28 04:40:23,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:23,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:40:23,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:23,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:40:23,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:23,394 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) [2024-11-28 04:40:23,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:23,958 INFO L93 Difference]: Finished difference Result 11568 states and 16323 transitions. [2024-11-28 04:40:23,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:40:23,959 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 [2024-11-28 04:40:23,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:24,038 INFO L225 Difference]: With dead ends: 11568 [2024-11-28 04:40:24,038 INFO L226 Difference]: Without dead ends: 7300 [2024-11-28 04:40:24,066 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 [2024-11-28 04:40:24,069 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:24,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 3406 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:40:24,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7300 states. [2024-11-28 04:40:24,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7300 to 7290. [2024-11-28 04:40:24,426 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) [2024-11-28 04:40:24,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7290 states to 7290 states and 10302 transitions. [2024-11-28 04:40:24,488 INFO L78 Accepts]: Start accepts. Automaton has 7290 states and 10302 transitions. Word has length 82 [2024-11-28 04:40:24,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:24,488 INFO L471 AbstractCegarLoop]: Abstraction has 7290 states and 10302 transitions. [2024-11-28 04:40:24,488 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) [2024-11-28 04:40:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 7290 states and 10302 transitions. [2024-11-28 04:40:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 04:40:24,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:24,504 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] [2024-11-28 04:40:24,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:40:24,504 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:40:24,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:24,504 INFO L85 PathProgramCache]: Analyzing trace with hash -893949288, now seen corresponding path program 1 times [2024-11-28 04:40:24,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:24,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281179947] [2024-11-28 04:40:24,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:24,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-28 04:40:29,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:29,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281179947] [2024-11-28 04:40:29,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281179947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:29,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:29,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:40:29,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450395544] [2024-11-28 04:40:29,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:29,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:40:29,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:29,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:40:29,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:29,414 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) [2024-11-28 04:40:33,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:34,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:34,320 INFO L93 Difference]: Finished difference Result 11730 states and 16569 transitions. [2024-11-28 04:40:34,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:40:34,321 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 [2024-11-28 04:40:34,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:34,364 INFO L225 Difference]: With dead ends: 11730 [2024-11-28 04:40:34,364 INFO L226 Difference]: Without dead ends: 4459 [2024-11-28 04:40:34,402 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 [2024-11-28 04:40:34,405 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, 4.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:34,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3061 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-28 04:40:34,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4459 states. [2024-11-28 04:40:34,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4459 to 4454. [2024-11-28 04:40:34,606 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) [2024-11-28 04:40:34,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 6283 transitions. [2024-11-28 04:40:34,647 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 6283 transitions. Word has length 111 [2024-11-28 04:40:34,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:34,648 INFO L471 AbstractCegarLoop]: Abstraction has 4454 states and 6283 transitions. [2024-11-28 04:40:34,648 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) [2024-11-28 04:40:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 6283 transitions. [2024-11-28 04:40:34,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 04:40:34,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:34,663 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] [2024-11-28 04:40:34,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:40:34,664 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:40:34,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:34,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1952451426, now seen corresponding path program 1 times [2024-11-28 04:40:34,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:34,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364980520] [2024-11-28 04:40:34,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:34,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-28 04:40:40,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:40,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364980520] [2024-11-28 04:40:40,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364980520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:40,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:40,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:40:40,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70833447] [2024-11-28 04:40:40,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:40,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:40:40,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:40,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:40:40,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:40,314 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) [2024-11-28 04:40:44,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:45,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:45,359 INFO L93 Difference]: Finished difference Result 9795 states and 13801 transitions. [2024-11-28 04:40:45,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:40:45,360 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 [2024-11-28 04:40:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:45,429 INFO L225 Difference]: With dead ends: 9795 [2024-11-28 04:40:45,430 INFO L226 Difference]: Without dead ends: 6112 [2024-11-28 04:40:45,453 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 [2024-11-28 04:40:45,455 INFO L435 NwaCegarLoop]: 2661 mSDtfsCounter, 1464 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:45,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1464 Valid, 3867 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-28 04:40:45,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6112 states. [2024-11-28 04:40:45,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6112 to 6102. [2024-11-28 04:40:45,730 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) [2024-11-28 04:40:45,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6102 states to 6102 states and 8591 transitions. [2024-11-28 04:40:45,780 INFO L78 Accepts]: Start accepts. Automaton has 6102 states and 8591 transitions. Word has length 145 [2024-11-28 04:40:45,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:45,781 INFO L471 AbstractCegarLoop]: Abstraction has 6102 states and 8591 transitions. [2024-11-28 04:40:45,781 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) [2024-11-28 04:40:45,782 INFO L276 IsEmpty]: Start isEmpty. Operand 6102 states and 8591 transitions. [2024-11-28 04:40:45,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-28 04:40:45,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:45,795 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] [2024-11-28 04:40:45,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:40:45,796 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:40:45,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:45,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1350769594, now seen corresponding path program 1 times [2024-11-28 04:40:45,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:45,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765528986] [2024-11-28 04:40:45,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:45,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:51,592 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-28 04:40:51,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:51,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765528986] [2024-11-28 04:40:51,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765528986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:51,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:51,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:40:51,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865271279] [2024-11-28 04:40:51,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:51,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:40:51,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:51,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:40:51,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:40:51,598 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) [2024-11-28 04:40:55,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:56,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:56,746 INFO L93 Difference]: Finished difference Result 13582 states and 19086 transitions. [2024-11-28 04:40:56,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:40:56,747 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 [2024-11-28 04:40:56,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:56,912 INFO L225 Difference]: With dead ends: 13582 [2024-11-28 04:40:56,912 INFO L226 Difference]: Without dead ends: 8251 [2024-11-28 04:40:56,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:40:56,935 INFO L435 NwaCegarLoop]: 3001 mSDtfsCounter, 1485 mSDsluCounter, 4519 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:56,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 7520 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-28 04:40:56,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8251 states. [2024-11-28 04:40:57,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8251 to 6106. [2024-11-28 04:40:57,256 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) [2024-11-28 04:40:57,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6106 states to 6106 states and 8595 transitions. [2024-11-28 04:40:57,310 INFO L78 Accepts]: Start accepts. Automaton has 6106 states and 8595 transitions. Word has length 156 [2024-11-28 04:40:57,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:57,311 INFO L471 AbstractCegarLoop]: Abstraction has 6106 states and 8595 transitions. [2024-11-28 04:40:57,312 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) [2024-11-28 04:40:57,313 INFO L276 IsEmpty]: Start isEmpty. Operand 6106 states and 8595 transitions. [2024-11-28 04:40:57,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 04:40:57,326 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:57,326 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] [2024-11-28 04:40:57,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:40:57,326 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:40:57,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:57,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1257842403, now seen corresponding path program 1 times [2024-11-28 04:40:57,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:57,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529389782] [2024-11-28 04:40:57,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:57,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:41:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:41:02,633 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-28 04:41:02,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:41:02,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529389782] [2024-11-28 04:41:02,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529389782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:41:02,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:41:02,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:41:02,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268039003] [2024-11-28 04:41:02,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:41:02,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:41:02,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:41:02,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:41:02,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:41:02,635 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) [2024-11-28 04:41:02,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:41:02,979 INFO L93 Difference]: Finished difference Result 11443 states and 16104 transitions. [2024-11-28 04:41:02,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:41:02,980 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 [2024-11-28 04:41:02,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:41:03,027 INFO L225 Difference]: With dead ends: 11443 [2024-11-28 04:41:03,027 INFO L226 Difference]: Without dead ends: 6108 [2024-11-28 04:41:03,051 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 [2024-11-28 04:41:03,053 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 [2024-11-28 04:41:03,053 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] [2024-11-28 04:41:03,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6108 states. [2024-11-28 04:41:03,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6108 to 6108. [2024-11-28 04:41:03,326 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) [2024-11-28 04:41:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6108 states to 6108 states and 8597 transitions. [2024-11-28 04:41:03,372 INFO L78 Accepts]: Start accepts. Automaton has 6108 states and 8597 transitions. Word has length 166 [2024-11-28 04:41:03,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:41:03,372 INFO L471 AbstractCegarLoop]: Abstraction has 6108 states and 8597 transitions. [2024-11-28 04:41:03,373 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) [2024-11-28 04:41:03,373 INFO L276 IsEmpty]: Start isEmpty. Operand 6108 states and 8597 transitions. [2024-11-28 04:41:03,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 04:41:03,389 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:41:03,389 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] [2024-11-28 04:41:03,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:41:03,390 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:41:03,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:41:03,391 INFO L85 PathProgramCache]: Analyzing trace with hash -824113317, now seen corresponding path program 1 times [2024-11-28 04:41:03,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:41:03,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528855524] [2024-11-28 04:41:03,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:41:03,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:41:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:41:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-28 04:41:09,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:41:09,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528855524] [2024-11-28 04:41:09,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528855524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:41:09,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:41:09,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:41:09,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277852884] [2024-11-28 04:41:09,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:41:09,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:41:09,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:41:09,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:41:09,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:41:09,456 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) [2024-11-28 04:41:13,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:19,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:23,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:24,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:41:24,280 INFO L93 Difference]: Finished difference Result 13686 states and 19246 transitions. [2024-11-28 04:41:24,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:41:24,281 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 [2024-11-28 04:41:24,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:41:24,346 INFO L225 Difference]: With dead ends: 13686 [2024-11-28 04:41:24,346 INFO L226 Difference]: Without dead ends: 8349 [2024-11-28 04:41:24,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:41:24,377 INFO L435 NwaCegarLoop]: 3005 mSDtfsCounter, 1513 mSDsluCounter, 7470 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 18 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s 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, 14.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:41:24,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 10475 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 87 Invalid, 3 Unknown, 0 Unchecked, 14.2s Time] [2024-11-28 04:41:24,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8349 states. [2024-11-28 04:41:24,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8349 to 6148. [2024-11-28 04:41:24,703 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) [2024-11-28 04:41:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6148 states to 6148 states and 8663 transitions. [2024-11-28 04:41:24,745 INFO L78 Accepts]: Start accepts. Automaton has 6148 states and 8663 transitions. Word has length 166 [2024-11-28 04:41:24,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:41:24,746 INFO L471 AbstractCegarLoop]: Abstraction has 6148 states and 8663 transitions. [2024-11-28 04:41:24,746 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) [2024-11-28 04:41:24,747 INFO L276 IsEmpty]: Start isEmpty. Operand 6148 states and 8663 transitions. [2024-11-28 04:41:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-28 04:41:24,762 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:41:24,763 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] [2024-11-28 04:41:24,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:41:24,764 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:41:24,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:41:24,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1523148885, now seen corresponding path program 1 times [2024-11-28 04:41:24,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:41:24,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569776692] [2024-11-28 04:41:24,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:41:24,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:41:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:41:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-28 04:41:31,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:41:31,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569776692] [2024-11-28 04:41:31,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569776692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:41:31,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:41:31,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:41:31,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739980881] [2024-11-28 04:41:31,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:41:31,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:41:31,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:41:31,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:41:31,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:41:31,873 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) [2024-11-28 04:41:32,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:41:32,161 INFO L93 Difference]: Finished difference Result 12279 states and 17307 transitions. [2024-11-28 04:41:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:41:32,162 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 [2024-11-28 04:41:32,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:41:32,209 INFO L225 Difference]: With dead ends: 12279 [2024-11-28 04:41:32,209 INFO L226 Difference]: Without dead ends: 6149 [2024-11-28 04:41:32,235 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 [2024-11-28 04:41:32,235 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 [2024-11-28 04:41:32,236 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] [2024-11-28 04:41:32,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6149 states. [2024-11-28 04:41:32,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6149 to 6149. [2024-11-28 04:41:32,509 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) [2024-11-28 04:41:32,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 8664 transitions. [2024-11-28 04:41:32,551 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 8664 transitions. Word has length 186 [2024-11-28 04:41:32,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:41:32,552 INFO L471 AbstractCegarLoop]: Abstraction has 6149 states and 8664 transitions. [2024-11-28 04:41:32,552 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) [2024-11-28 04:41:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 8664 transitions. [2024-11-28 04:41:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-28 04:41:32,568 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:41:32,569 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] [2024-11-28 04:41:32,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:41:32,570 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:41:32,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:41:32,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1198488614, now seen corresponding path program 1 times [2024-11-28 04:41:32,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:41:32,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804047515] [2024-11-28 04:41:32,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:41:32,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:41:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:41:39,319 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-28 04:41:39,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:41:39,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804047515] [2024-11-28 04:41:39,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804047515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:41:39,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553174543] [2024-11-28 04:41:39,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:41:39,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:41:39,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:41:39,325 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:41:39,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:41:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:41:46,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 3981 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:41:46,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:41:46,878 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-28 04:41:46,878 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:41:46,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553174543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:41:46,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:41:46,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2024-11-28 04:41:46,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250862448] [2024-11-28 04:41:46,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:41:46,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:41:46,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:41:46,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:41:46,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:41:46,880 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) [2024-11-28 04:41:50,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:56,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:00,780 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 [] [2024-11-28 04:42:01,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:42:01,327 INFO L93 Difference]: Finished difference Result 13739 states and 19333 transitions. [2024-11-28 04:42:01,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:42:01,328 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 [2024-11-28 04:42:01,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:42:01,390 INFO L225 Difference]: With dead ends: 13739 [2024-11-28 04:42:01,390 INFO L226 Difference]: Without dead ends: 8362 [2024-11-28 04:42:01,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:42:01,416 INFO L435 NwaCegarLoop]: 3004 mSDtfsCounter, 1514 mSDsluCounter, 7469 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 21 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s 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, 13.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:42:01,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 10473 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2024-11-28 04:42:01,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8362 states. [2024-11-28 04:42:01,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8362 to 6149. [2024-11-28 04:42:01,723 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) [2024-11-28 04:42:01,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 8664 transitions. [2024-11-28 04:42:01,763 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 8664 transitions. Word has length 187 [2024-11-28 04:42:01,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:42:01,766 INFO L471 AbstractCegarLoop]: Abstraction has 6149 states and 8664 transitions. [2024-11-28 04:42:01,766 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) [2024-11-28 04:42:01,766 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 8664 transitions. [2024-11-28 04:42:01,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-28 04:42:01,782 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:42:01,783 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] [2024-11-28 04:42:01,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:42:01,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:42:01,984 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:42:01,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:42:01,985 INFO L85 PathProgramCache]: Analyzing trace with hash 471807376, now seen corresponding path program 1 times [2024-11-28 04:42:01,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:42:01,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321183047] [2024-11-28 04:42:01,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:01,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:42:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-28 04:42:06,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:42:06,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321183047] [2024-11-28 04:42:06,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321183047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:42:06,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:42:06,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:42:06,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533320164] [2024-11-28 04:42:06,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:42:06,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:42:06,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:42:06,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:42:06,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:42:06,658 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) [2024-11-28 04:42:07,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:42:07,024 INFO L93 Difference]: Finished difference Result 11528 states and 16241 transitions. [2024-11-28 04:42:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:42:07,025 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 [2024-11-28 04:42:07,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:42:07,070 INFO L225 Difference]: With dead ends: 11528 [2024-11-28 04:42:07,071 INFO L226 Difference]: Without dead ends: 6151 [2024-11-28 04:42:07,093 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 [2024-11-28 04:42:07,094 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 [2024-11-28 04:42:07,094 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] [2024-11-28 04:42:07,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2024-11-28 04:42:07,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 6151. [2024-11-28 04:42:07,389 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) [2024-11-28 04:42:07,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6151 states to 6151 states and 8666 transitions. [2024-11-28 04:42:07,430 INFO L78 Accepts]: Start accepts. Automaton has 6151 states and 8666 transitions. Word has length 292 [2024-11-28 04:42:07,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:42:07,431 INFO L471 AbstractCegarLoop]: Abstraction has 6151 states and 8666 transitions. [2024-11-28 04:42:07,431 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) [2024-11-28 04:42:07,431 INFO L276 IsEmpty]: Start isEmpty. Operand 6151 states and 8666 transitions. [2024-11-28 04:42:07,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-28 04:42:07,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:42:07,448 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] [2024-11-28 04:42:07,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:42:07,448 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:42:07,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:42:07,449 INFO L85 PathProgramCache]: Analyzing trace with hash 139164238, now seen corresponding path program 1 times [2024-11-28 04:42:07,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:42:07,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795025714] [2024-11-28 04:42:07,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:07,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:42:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-28 04:42:12,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:42:12,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795025714] [2024-11-28 04:42:12,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795025714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:42:12,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:42:12,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:42:12,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702010426] [2024-11-28 04:42:12,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:42:12,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:42:12,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:42:12,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:42:12,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:42:12,394 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) [2024-11-28 04:42:16,509 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 [] [2024-11-28 04:42:20,744 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 [] [2024-11-28 04:42:20,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:42:20,860 INFO L93 Difference]: Finished difference Result 11692 states and 16497 transitions. [2024-11-28 04:42:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:42:20,860 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 [2024-11-28 04:42:20,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:42:20,906 INFO L225 Difference]: With dead ends: 11692 [2024-11-28 04:42:20,906 INFO L226 Difference]: Without dead ends: 6313 [2024-11-28 04:42:20,929 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 [2024-11-28 04:42:20,930 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, 8.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:42:20,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 3044 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2024-11-28 04:42:20,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6313 states. [2024-11-28 04:42:21,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6313 to 6311. [2024-11-28 04:42:21,208 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) [2024-11-28 04:42:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8914 transitions. [2024-11-28 04:42:21,251 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8914 transitions. Word has length 292 [2024-11-28 04:42:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:42:21,252 INFO L471 AbstractCegarLoop]: Abstraction has 6311 states and 8914 transitions. [2024-11-28 04:42:21,252 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) [2024-11-28 04:42:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8914 transitions. [2024-11-28 04:42:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-28 04:42:21,271 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:42:21,271 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] [2024-11-28 04:42:21,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:42:21,272 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:42:21,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:42:21,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1002385717, now seen corresponding path program 1 times [2024-11-28 04:42:21,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:42:21,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549115469] [2024-11-28 04:42:21,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:21,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:42:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:27,308 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-28 04:42:27,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:42:27,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549115469] [2024-11-28 04:42:27,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549115469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:42:27,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:42:27,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:42:27,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405702293] [2024-11-28 04:42:27,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:42:27,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:42:27,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:42:27,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:42:27,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:42:27,311 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) [2024-11-28 04:42:28,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:42:28,003 INFO L93 Difference]: Finished difference Result 12748 states and 18138 transitions. [2024-11-28 04:42:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:42:28,004 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 [2024-11-28 04:42:28,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:42:28,061 INFO L225 Difference]: With dead ends: 12748 [2024-11-28 04:42:28,061 INFO L226 Difference]: Without dead ends: 6458 [2024-11-28 04:42:28,095 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 [2024-11-28 04:42:28,096 INFO L435 NwaCegarLoop]: 1535 mSDtfsCounter, 15 mSDsluCounter, 4573 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 6108 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:42:28,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 6108 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:42:28,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6458 states. [2024-11-28 04:42:28,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6458 to 6444. [2024-11-28 04:42:28,409 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) [2024-11-28 04:42:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6444 states to 6444 states and 9110 transitions. [2024-11-28 04:42:28,455 INFO L78 Accepts]: Start accepts. Automaton has 6444 states and 9110 transitions. Word has length 314 [2024-11-28 04:42:28,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:42:28,456 INFO L471 AbstractCegarLoop]: Abstraction has 6444 states and 9110 transitions. [2024-11-28 04:42:28,456 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) [2024-11-28 04:42:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 6444 states and 9110 transitions. [2024-11-28 04:42:28,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-28 04:42:28,470 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:42:28,471 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] [2024-11-28 04:42:28,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:42:28,471 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:42:28,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:42:28,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1106891714, now seen corresponding path program 1 times [2024-11-28 04:42:28,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:42:28,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661497974] [2024-11-28 04:42:28,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:28,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:42:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-28 04:42:33,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:42:33,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661497974] [2024-11-28 04:42:33,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661497974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:42:33,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:42:33,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:42:33,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307136581] [2024-11-28 04:42:33,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:42:33,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:42:33,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:42:33,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:42:33,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:42:33,995 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) [2024-11-28 04:42:34,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:42:34,345 INFO L93 Difference]: Finished difference Result 12909 states and 18355 transitions. [2024-11-28 04:42:34,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:42:34,346 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 [2024-11-28 04:42:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:42:34,404 INFO L225 Difference]: With dead ends: 12909 [2024-11-28 04:42:34,404 INFO L226 Difference]: Without dead ends: 6486 [2024-11-28 04:42:34,433 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 [2024-11-28 04:42:34,433 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 [2024-11-28 04:42:34,434 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] [2024-11-28 04:42:34,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6486 states. [2024-11-28 04:42:34,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6486 to 6472. [2024-11-28 04:42:34,740 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) [2024-11-28 04:42:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6472 states to 6472 states and 9138 transitions. [2024-11-28 04:42:34,788 INFO L78 Accepts]: Start accepts. Automaton has 6472 states and 9138 transitions. Word has length 323 [2024-11-28 04:42:34,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:42:34,790 INFO L471 AbstractCegarLoop]: Abstraction has 6472 states and 9138 transitions. [2024-11-28 04:42:34,790 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) [2024-11-28 04:42:34,790 INFO L276 IsEmpty]: Start isEmpty. Operand 6472 states and 9138 transitions. [2024-11-28 04:42:34,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-28 04:42:34,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:42:34,805 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] [2024-11-28 04:42:34,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:42:34,805 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:42:34,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:42:34,810 INFO L85 PathProgramCache]: Analyzing trace with hash -925701327, now seen corresponding path program 1 times [2024-11-28 04:42:34,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:42:34,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559809885] [2024-11-28 04:42:34,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:34,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:42:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-28 04:42:40,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:42:40,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559809885] [2024-11-28 04:42:40,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559809885] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:42:40,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685156524] [2024-11-28 04:42:40,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:42:40,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:42:40,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:42:40,910 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:42:40,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:42:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:42:48,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 4986 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:42:48,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:42:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-28 04:42:49,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:42:56,434 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-28 04:42:56,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685156524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:42:56,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:42:56,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-11-28 04:42:56,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647681197] [2024-11-28 04:42:56,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:42:56,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:42:56,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:42:56,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:42:56,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:42:56,437 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) [2024-11-28 04:42:59,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:42:59,874 INFO L93 Difference]: Finished difference Result 13420 states and 19132 transitions. [2024-11-28 04:42:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:42:59,875 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 [2024-11-28 04:42:59,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:42:59,937 INFO L225 Difference]: With dead ends: 13420 [2024-11-28 04:42:59,937 INFO L226 Difference]: Without dead ends: 6794 [2024-11-28 04:42:59,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 648 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:42:59,970 INFO L435 NwaCegarLoop]: 1534 mSDtfsCounter, 77 mSDsluCounter, 9182 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 10716 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:42:59,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 10716 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 04:42:59,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6794 states. [2024-11-28 04:43:00,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6794 to 6752. [2024-11-28 04:43:00,315 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) [2024-11-28 04:43:00,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6752 states to 6752 states and 9516 transitions. [2024-11-28 04:43:00,368 INFO L78 Accepts]: Start accepts. Automaton has 6752 states and 9516 transitions. Word has length 327 [2024-11-28 04:43:00,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:00,369 INFO L471 AbstractCegarLoop]: Abstraction has 6752 states and 9516 transitions. [2024-11-28 04:43:00,370 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) [2024-11-28 04:43:00,370 INFO L276 IsEmpty]: Start isEmpty. Operand 6752 states and 9516 transitions. [2024-11-28 04:43:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-11-28 04:43:00,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:00,381 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] [2024-11-28 04:43:00,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:43:00,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 04:43:00,582 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:00,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:00,584 INFO L85 PathProgramCache]: Analyzing trace with hash 823127878, now seen corresponding path program 1 times [2024-11-28 04:43:00,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:00,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383020875] [2024-11-28 04:43:00,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:00,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:06,197 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-28 04:43:06,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:06,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383020875] [2024-11-28 04:43:06,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383020875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:06,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:06,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:43:06,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518039607] [2024-11-28 04:43:06,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:06,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:43:06,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:06,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:43:06,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:43:06,201 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) [2024-11-28 04:43:06,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:06,487 INFO L93 Difference]: Finished difference Result 13490 states and 19132 transitions. [2024-11-28 04:43:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:43:06,488 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 [2024-11-28 04:43:06,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:06,546 INFO L225 Difference]: With dead ends: 13490 [2024-11-28 04:43:06,546 INFO L226 Difference]: Without dead ends: 6759 [2024-11-28 04:43:06,575 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 [2024-11-28 04:43:06,576 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 [2024-11-28 04:43:06,577 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] [2024-11-28 04:43:06,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6759 states. [2024-11-28 04:43:06,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6759 to 6759. [2024-11-28 04:43:06,897 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) [2024-11-28 04:43:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6759 states to 6759 states and 9523 transitions. [2024-11-28 04:43:06,953 INFO L78 Accepts]: Start accepts. Automaton has 6759 states and 9523 transitions. Word has length 347 [2024-11-28 04:43:06,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:06,954 INFO L471 AbstractCegarLoop]: Abstraction has 6759 states and 9523 transitions. [2024-11-28 04:43:06,954 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) [2024-11-28 04:43:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 6759 states and 9523 transitions. [2024-11-28 04:43:06,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-28 04:43:06,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:06,968 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] [2024-11-28 04:43:06,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:43:06,969 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:06,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:06,970 INFO L85 PathProgramCache]: Analyzing trace with hash 337813682, now seen corresponding path program 1 times [2024-11-28 04:43:06,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:06,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173181042] [2024-11-28 04:43:06,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:06,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-28 04:43:13,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:13,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173181042] [2024-11-28 04:43:13,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173181042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:13,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:13,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:43:13,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607951967] [2024-11-28 04:43:13,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:13,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:43:13,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:13,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:43:13,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:43:13,914 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) [2024-11-28 04:43:15,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:15,257 INFO L93 Difference]: Finished difference Result 13707 states and 19470 transitions. [2024-11-28 04:43:15,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:43:15,258 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 [2024-11-28 04:43:15,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:15,452 INFO L225 Difference]: With dead ends: 13707 [2024-11-28 04:43:15,452 INFO L226 Difference]: Without dead ends: 6969 [2024-11-28 04:43:15,477 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 [2024-11-28 04:43:15,478 INFO L435 NwaCegarLoop]: 1556 mSDtfsCounter, 25 mSDsluCounter, 6146 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 7702 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:15,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 7702 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:43:15,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6969 states. [2024-11-28 04:43:15,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6969 to 6885. [2024-11-28 04:43:15,798 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) [2024-11-28 04:43:15,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6885 states to 6885 states and 9712 transitions. [2024-11-28 04:43:15,849 INFO L78 Accepts]: Start accepts. Automaton has 6885 states and 9712 transitions. Word has length 349 [2024-11-28 04:43:15,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:15,851 INFO L471 AbstractCegarLoop]: Abstraction has 6885 states and 9712 transitions. [2024-11-28 04:43:15,852 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) [2024-11-28 04:43:15,852 INFO L276 IsEmpty]: Start isEmpty. Operand 6885 states and 9712 transitions. [2024-11-28 04:43:15,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-28 04:43:15,860 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:15,860 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] [2024-11-28 04:43:15,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:43:15,861 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:15,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:15,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1680329508, now seen corresponding path program 1 times [2024-11-28 04:43:15,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:15,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404191276] [2024-11-28 04:43:15,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:15,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:21,558 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-28 04:43:21,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:21,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404191276] [2024-11-28 04:43:21,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404191276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:21,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:43:21,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:43:21,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965740437] [2024-11-28 04:43:21,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:21,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:43:21,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:21,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:43:21,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:43:21,560 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) [2024-11-28 04:43:21,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:21,928 INFO L93 Difference]: Finished difference Result 13777 states and 19545 transitions. [2024-11-28 04:43:21,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:43:21,928 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 [2024-11-28 04:43:21,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:21,975 INFO L225 Difference]: With dead ends: 13777 [2024-11-28 04:43:21,976 INFO L226 Difference]: Without dead ends: 6913 [2024-11-28 04:43:22,008 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 [2024-11-28 04:43:22,009 INFO L435 NwaCegarLoop]: 1530 mSDtfsCounter, 0 mSDsluCounter, 4584 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:22,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6114 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:43:22,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2024-11-28 04:43:22,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6913. [2024-11-28 04:43:22,347 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) [2024-11-28 04:43:22,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 9740 transitions. [2024-11-28 04:43:22,404 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 9740 transitions. Word has length 352 [2024-11-28 04:43:22,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:22,406 INFO L471 AbstractCegarLoop]: Abstraction has 6913 states and 9740 transitions. [2024-11-28 04:43:22,407 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) [2024-11-28 04:43:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 9740 transitions. [2024-11-28 04:43:22,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-28 04:43:22,416 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:22,416 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] [2024-11-28 04:43:22,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:43:22,417 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:22,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:22,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1583815992, now seen corresponding path program 1 times [2024-11-28 04:43:22,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:22,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784691206] [2024-11-28 04:43:22,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:22,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:31,774 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-28 04:43:31,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:31,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784691206] [2024-11-28 04:43:31,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784691206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:43:31,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009734812] [2024-11-28 04:43:31,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:31,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:31,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:31,777 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:31,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:43:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:40,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 5105 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 04:43:40,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:43:41,078 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-28 04:43:41,078 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:43:41,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009734812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:43:41,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:43:41,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-28 04:43:41,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029293522] [2024-11-28 04:43:41,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:43:41,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:43:41,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:41,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:43:41,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:43:41,082 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) [2024-11-28 04:43:41,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:43:41,478 INFO L93 Difference]: Finished difference Result 12976 states and 18285 transitions. [2024-11-28 04:43:41,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:43:41,479 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 [2024-11-28 04:43:41,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:43:41,530 INFO L225 Difference]: With dead ends: 12976 [2024-11-28 04:43:41,530 INFO L226 Difference]: Without dead ends: 6913 [2024-11-28 04:43:41,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:43:41,561 INFO L435 NwaCegarLoop]: 1529 mSDtfsCounter, 2 mSDsluCounter, 3050 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:43:41,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4579 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:43:41,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6913 states. [2024-11-28 04:43:41,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6913 to 6913. [2024-11-28 04:43:41,872 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) [2024-11-28 04:43:41,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6913 states to 6913 states and 9738 transitions. [2024-11-28 04:43:41,929 INFO L78 Accepts]: Start accepts. Automaton has 6913 states and 9738 transitions. Word has length 354 [2024-11-28 04:43:41,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:43:41,930 INFO L471 AbstractCegarLoop]: Abstraction has 6913 states and 9738 transitions. [2024-11-28 04:43:41,930 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) [2024-11-28 04:43:41,930 INFO L276 IsEmpty]: Start isEmpty. Operand 6913 states and 9738 transitions. [2024-11-28 04:43:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2024-11-28 04:43:41,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:43:41,939 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] [2024-11-28 04:43:41,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:43:42,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:42,141 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:43:42,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:43:42,142 INFO L85 PathProgramCache]: Analyzing trace with hash -406988866, now seen corresponding path program 1 times [2024-11-28 04:43:42,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:43:42,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529850445] [2024-11-28 04:43:42,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:42,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:43:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-28 04:43:51,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:43:51,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529850445] [2024-11-28 04:43:51,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529850445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:43:51,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193331772] [2024-11-28 04:43:51,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:43:51,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:43:51,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:43:51,009 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:43:51,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:43:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:43:59,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 5111 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:43:59,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:00,982 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-28 04:44:00,982 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:44:00,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193331772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:00,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:44:00,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-28 04:44:00,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505519060] [2024-11-28 04:44:00,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:00,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:44:00,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:00,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:44:00,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:44:00,984 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) [2024-11-28 04:44:01,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:01,834 INFO L93 Difference]: Finished difference Result 14043 states and 19912 transitions. [2024-11-28 04:44:01,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:44:01,835 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 [2024-11-28 04:44:01,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:01,887 INFO L225 Difference]: With dead ends: 14043 [2024-11-28 04:44:01,887 INFO L226 Difference]: Without dead ends: 7151 [2024-11-28 04:44:01,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:44:01,920 INFO L435 NwaCegarLoop]: 1526 mSDtfsCounter, 19 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:01,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 4558 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:44:01,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7151 states. [2024-11-28 04:44:02,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7151 to 7109. [2024-11-28 04:44:02,253 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) [2024-11-28 04:44:02,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7109 states to 7109 states and 10011 transitions. [2024-11-28 04:44:02,311 INFO L78 Accepts]: Start accepts. Automaton has 7109 states and 10011 transitions. Word has length 358 [2024-11-28 04:44:02,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:02,312 INFO L471 AbstractCegarLoop]: Abstraction has 7109 states and 10011 transitions. [2024-11-28 04:44:02,312 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) [2024-11-28 04:44:02,312 INFO L276 IsEmpty]: Start isEmpty. Operand 7109 states and 10011 transitions. [2024-11-28 04:44:02,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2024-11-28 04:44:02,322 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:02,322 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] [2024-11-28 04:44:02,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 04:44:02,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-28 04:44:02,523 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:02,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:02,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1083445921, now seen corresponding path program 1 times [2024-11-28 04:44:02,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:02,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40151381] [2024-11-28 04:44:02,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:02,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-28 04:44:11,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:11,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40151381] [2024-11-28 04:44:11,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40151381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:11,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109463668] [2024-11-28 04:44:11,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:11,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:11,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:11,446 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:11,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:44:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:27,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 5114 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-28 04:44:27,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-28 04:44:28,409 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:44:28,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109463668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:28,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:44:28,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 10 [2024-11-28 04:44:28,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686136168] [2024-11-28 04:44:28,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:28,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:44:28,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:28,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:44:28,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:44:28,413 INFO L87 Difference]: Start difference. First operand 7109 states and 10011 transitions. Second operand has 10 states, 10 states have (on average 18.5) internal successors, (185), 7 states have internal predecessors, (185), 2 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (38), 5 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-28 04:44:33,302 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 [] [2024-11-28 04:44:33,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:33,493 INFO L93 Difference]: Finished difference Result 13364 states and 18827 transitions. [2024-11-28 04:44:33,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:44:33,507 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.5) internal successors, (185), 7 states have internal predecessors, (185), 2 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (38), 5 states have call predecessors, (38), 2 states have call successors, (38) Word has length 360 [2024-11-28 04:44:33,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:33,551 INFO L225 Difference]: With dead ends: 13364 [2024-11-28 04:44:33,551 INFO L226 Difference]: Without dead ends: 7141 [2024-11-28 04:44:33,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:44:33,577 INFO L435 NwaCegarLoop]: 1527 mSDtfsCounter, 0 mSDsluCounter, 12191 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13718 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:33,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13718 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-28 04:44:33,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7141 states. [2024-11-28 04:44:33,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7141 to 7131. [2024-11-28 04:44:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7131 states, 5397 states have (on average 1.352047433759496) internal successors, (7297), 5435 states have internal predecessors, (7297), 1343 states have call successors, (1343), 364 states have call predecessors, (1343), 390 states have return successors, (1407), 1374 states have call predecessors, (1407), 1341 states have call successors, (1407) [2024-11-28 04:44:33,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7131 states to 7131 states and 10047 transitions. [2024-11-28 04:44:33,964 INFO L78 Accepts]: Start accepts. Automaton has 7131 states and 10047 transitions. Word has length 360 [2024-11-28 04:44:33,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:33,964 INFO L471 AbstractCegarLoop]: Abstraction has 7131 states and 10047 transitions. [2024-11-28 04:44:33,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.5) internal successors, (185), 7 states have internal predecessors, (185), 2 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (38), 5 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-28 04:44:33,965 INFO L276 IsEmpty]: Start isEmpty. Operand 7131 states and 10047 transitions. [2024-11-28 04:44:33,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2024-11-28 04:44:33,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:33,975 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] [2024-11-28 04:44:34,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:44:34,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-28 04:44:34,176 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:34,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:34,177 INFO L85 PathProgramCache]: Analyzing trace with hash 787740247, now seen corresponding path program 1 times [2024-11-28 04:44:34,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:34,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396345591] [2024-11-28 04:44:34,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:34,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:43,670 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-28 04:44:43,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:43,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396345591] [2024-11-28 04:44:43,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396345591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:43,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174564351] [2024-11-28 04:44:43,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:43,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:43,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:43,674 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:43,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:44:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:53,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 5248 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-28 04:44:53,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 53 proven. 3 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-28 04:44:57,754 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:45:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-28 04:45:12,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174564351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:45:12,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:45:12,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 13] total 30 [2024-11-28 04:45:12,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828346891] [2024-11-28 04:45:12,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:45:12,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-28 04:45:12,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:45:12,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-28 04:45:12,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=801, Unknown=0, NotChecked=0, Total=870 [2024-11-28 04:45:12,748 INFO L87 Difference]: Start difference. First operand 7131 states and 10047 transitions. Second operand has 30 states, 29 states have (on average 9.620689655172415) internal successors, (279), 20 states have internal predecessors, (279), 6 states have call successors, (69), 2 states have call predecessors, (69), 11 states have return successors, (74), 13 states have call predecessors, (74), 6 states have call successors, (74) [2024-11-28 04:45:16,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:45:30,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:45:35,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:45:39,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:45:39,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:45:39,919 INFO L93 Difference]: Finished difference Result 13540 states and 19099 transitions. [2024-11-28 04:45:39,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 04:45:39,920 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 9.620689655172415) internal successors, (279), 20 states have internal predecessors, (279), 6 states have call successors, (69), 2 states have call predecessors, (69), 11 states have return successors, (74), 13 states have call predecessors, (74), 6 states have call successors, (74) Word has length 400 [2024-11-28 04:45:39,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:45:39,957 INFO L225 Difference]: With dead ends: 13540 [2024-11-28 04:45:39,958 INFO L226 Difference]: Without dead ends: 7295 [2024-11-28 04:45:39,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 810 GetRequests, 781 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2024-11-28 04:45:39,976 INFO L435 NwaCegarLoop]: 1551 mSDtfsCounter, 70 mSDsluCounter, 35403 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 36954 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:45:39,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 36954 Invalid, 685 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 675 Invalid, 4 Unknown, 0 Unchecked, 26.4s Time] [2024-11-28 04:45:39,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7295 states. [2024-11-28 04:45:40,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7295 to 7153. [2024-11-28 04:45:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7153 states, 5415 states have (on average 1.3508771929824561) internal successors, (7315), 5447 states have internal predecessors, (7315), 1345 states have call successors, (1345), 364 states have call predecessors, (1345), 392 states have return successors, (1415), 1384 states have call predecessors, (1415), 1343 states have call successors, (1415) [2024-11-28 04:45:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7153 states to 7153 states and 10075 transitions. [2024-11-28 04:45:40,271 INFO L78 Accepts]: Start accepts. Automaton has 7153 states and 10075 transitions. Word has length 400 [2024-11-28 04:45:40,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:45:40,272 INFO L471 AbstractCegarLoop]: Abstraction has 7153 states and 10075 transitions. [2024-11-28 04:45:40,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 9.620689655172415) internal successors, (279), 20 states have internal predecessors, (279), 6 states have call successors, (69), 2 states have call predecessors, (69), 11 states have return successors, (74), 13 states have call predecessors, (74), 6 states have call successors, (74) [2024-11-28 04:45:40,272 INFO L276 IsEmpty]: Start isEmpty. Operand 7153 states and 10075 transitions. [2024-11-28 04:45:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2024-11-28 04:45:40,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:45:40,283 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-28 04:45:40,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 04:45:40,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-28 04:45:40,484 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:45:40,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:45:40,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2085631287, now seen corresponding path program 2 times [2024-11-28 04:45:40,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:45:40,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792920683] [2024-11-28 04:45:40,485 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:45:40,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:45:44,848 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:45:44,848 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:45:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2024-11-28 04:45:45,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:45:45,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792920683] [2024-11-28 04:45:45,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792920683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:45:45,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:45:45,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:45:45,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720100215] [2024-11-28 04:45:45,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:45:45,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:45:45,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:45:45,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:45:45,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:45:45,893 INFO L87 Difference]: Start difference. First operand 7153 states and 10075 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) [2024-11-28 04:45:46,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:45:46,375 INFO L93 Difference]: Finished difference Result 14313 states and 20278 transitions. [2024-11-28 04:45:46,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:45:46,375 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 440 [2024-11-28 04:45:46,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:45:46,421 INFO L225 Difference]: With dead ends: 14313 [2024-11-28 04:45:46,422 INFO L226 Difference]: Without dead ends: 7181 [2024-11-28 04:45:46,445 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 [2024-11-28 04:45:46,446 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:45:46,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4579 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:45:46,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7181 states. [2024-11-28 04:45:46,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7181 to 7181. [2024-11-28 04:45:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7181 states, 5443 states have (on average 1.349072202829322) internal successors, (7343), 5475 states have internal predecessors, (7343), 1345 states have call successors, (1345), 364 states have call predecessors, (1345), 392 states have return successors, (1415), 1384 states have call predecessors, (1415), 1343 states have call successors, (1415) [2024-11-28 04:45:46,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7181 states to 7181 states and 10103 transitions. [2024-11-28 04:45:46,749 INFO L78 Accepts]: Start accepts. Automaton has 7181 states and 10103 transitions. Word has length 440 [2024-11-28 04:45:46,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:45:46,750 INFO L471 AbstractCegarLoop]: Abstraction has 7181 states and 10103 transitions. [2024-11-28 04:45:46,750 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) [2024-11-28 04:45:46,750 INFO L276 IsEmpty]: Start isEmpty. Operand 7181 states and 10103 transitions. [2024-11-28 04:45:46,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-11-28 04:45:46,758 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:45:46,758 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-28 04:45:46,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 04:45:46,758 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:45:46,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:45:46,759 INFO L85 PathProgramCache]: Analyzing trace with hash 326375857, now seen corresponding path program 1 times [2024-11-28 04:45:46,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:45:46,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153475057] [2024-11-28 04:45:46,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:45:46,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:45:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:45:52,772 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-11-28 04:45:52,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:45:52,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153475057] [2024-11-28 04:45:52,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153475057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:45:52,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227521554] [2024-11-28 04:45:52,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:45:52,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:45:52,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:45:52,775 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:45:52,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:46:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:02,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 5383 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:46:02,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:46:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-28 04:46:02,937 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:46:02,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227521554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:46:02,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:46:02,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-28 04:46:02,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489998531] [2024-11-28 04:46:02,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:46:02,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:46:02,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:02,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:46:02,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:46:02,940 INFO L87 Difference]: Start difference. First operand 7181 states and 10103 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-28 04:46:03,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:03,441 INFO L93 Difference]: Finished difference Result 14383 states and 20362 transitions. [2024-11-28 04:46:03,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:46:03,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 441 [2024-11-28 04:46:03,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:03,481 INFO L225 Difference]: With dead ends: 14383 [2024-11-28 04:46:03,481 INFO L226 Difference]: Without dead ends: 7202 [2024-11-28 04:46:03,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:46:03,502 INFO L435 NwaCegarLoop]: 1529 mSDtfsCounter, 5 mSDsluCounter, 3038 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4567 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:46:03,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4567 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:46:03,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7202 states. [2024-11-28 04:46:03,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7202 to 7181. [2024-11-28 04:46:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7181 states, 5443 states have (on average 1.347786147345214) internal successors, (7336), 5475 states have internal predecessors, (7336), 1345 states have call successors, (1345), 364 states have call predecessors, (1345), 392 states have return successors, (1415), 1384 states have call predecessors, (1415), 1343 states have call successors, (1415) [2024-11-28 04:46:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7181 states to 7181 states and 10096 transitions. [2024-11-28 04:46:03,756 INFO L78 Accepts]: Start accepts. Automaton has 7181 states and 10096 transitions. Word has length 441 [2024-11-28 04:46:03,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:03,757 INFO L471 AbstractCegarLoop]: Abstraction has 7181 states and 10096 transitions. [2024-11-28 04:46:03,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-28 04:46:03,757 INFO L276 IsEmpty]: Start isEmpty. Operand 7181 states and 10096 transitions. [2024-11-28 04:46:03,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-11-28 04:46:03,764 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:03,765 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:46:03,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 04:46:03,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-28 04:46:03,965 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:46:03,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:03,966 INFO L85 PathProgramCache]: Analyzing trace with hash -444094577, now seen corresponding path program 1 times [2024-11-28 04:46:03,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:03,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355247418] [2024-11-28 04:46:03,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:03,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-28 04:46:12,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:12,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355247418] [2024-11-28 04:46:12,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355247418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:46:12,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830276376] [2024-11-28 04:46:12,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:46:12,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:12,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:46:12,712 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:46:12,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 04:46:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:46:23,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 5238 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-28 04:46:23,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:46:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-28 04:46:24,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:46:24,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830276376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:46:24,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:46:24,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2024-11-28 04:46:24,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916465119] [2024-11-28 04:46:24,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:46:24,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:46:24,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:46:24,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:46:24,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:46:24,849 INFO L87 Difference]: Start difference. First operand 7181 states and 10096 transitions. Second operand has 8 states, 8 states have (on average 25.375) internal successors, (203), 6 states have internal predecessors, (203), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-28 04:46:25,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:46:25,605 INFO L93 Difference]: Finished difference Result 13486 states and 18962 transitions. [2024-11-28 04:46:25,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:46:25,608 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 25.375) internal successors, (203), 6 states have internal predecessors, (203), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) Word has length 401 [2024-11-28 04:46:25,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:46:25,662 INFO L225 Difference]: With dead ends: 13486 [2024-11-28 04:46:25,662 INFO L226 Difference]: Without dead ends: 7195 [2024-11-28 04:46:25,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:46:25,684 INFO L435 NwaCegarLoop]: 1527 mSDtfsCounter, 0 mSDsluCounter, 9153 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-11-28 04:46:25,684 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] [2024-11-28 04:46:25,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7195 states. [2024-11-28 04:46:26,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7195 to 7185. [2024-11-28 04:46:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7185 states, 5447 states have (on average 1.3475307508720396) internal successors, (7340), 5477 states have internal predecessors, (7340), 1345 states have call successors, (1345), 364 states have call predecessors, (1345), 392 states have return successors, (1415), 1386 states have call predecessors, (1415), 1343 states have call successors, (1415) [2024-11-28 04:46:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7185 states to 7185 states and 10100 transitions. [2024-11-28 04:46:26,130 INFO L78 Accepts]: Start accepts. Automaton has 7185 states and 10100 transitions. Word has length 401 [2024-11-28 04:46:26,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:46:26,130 INFO L471 AbstractCegarLoop]: Abstraction has 7185 states and 10100 transitions. [2024-11-28 04:46:26,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 25.375) internal successors, (203), 6 states have internal predecessors, (203), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-28 04:46:26,131 INFO L276 IsEmpty]: Start isEmpty. Operand 7185 states and 10100 transitions. [2024-11-28 04:46:26,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-11-28 04:46:26,141 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:46:26,142 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:46:26,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 04:46:26,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:26,343 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:46:26,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:46:26,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1750961041, now seen corresponding path program 2 times [2024-11-28 04:46:26,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:46:26,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123779504] [2024-11-28 04:46:26,344 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:46:26,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:46:33,897 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:46:33,897 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:46:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2024-11-28 04:46:35,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:46:35,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123779504] [2024-11-28 04:46:35,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123779504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:46:35,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146554524] [2024-11-28 04:46:35,792 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:46:35,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:46:35,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:46:35,794 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:46:35,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a028c1-88b8-4edf-b8d7-726fd00e3a92/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process