./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--media--platform--timblogiw.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_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--media--platform--timblogiw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 177820d4eabfc5ee57ceefc8e45d1c58baa48df59132cf6258d84a611844e62c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:28:59,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:28:59,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 11:28:59,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:28:59,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:28:59,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:28:59,611 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:28:59,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:28:59,611 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:28:59,612 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:28:59,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:28:59,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:28:59,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:28:59,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:28:59,612 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:28:59,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:28:59,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:28:59,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:28:59,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:28:59,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:28:59,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:28:59,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:28:59,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:28:59,613 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:28:59,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:28:59,613 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:28:59,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:28:59,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:28:59,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:28:59,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:28:59,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:28:59,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:28:59,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:28:59,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:28:59,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:28:59,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:28:59,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:28:59,614 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:28:59,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:28:59,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:28:59,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:28:59,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:28:59,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:28:59,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:28:59,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:28:59,615 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_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 177820d4eabfc5ee57ceefc8e45d1c58baa48df59132cf6258d84a611844e62c [2024-12-02 11:28:59,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:28:59,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:28:59,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:28:59,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:28:59,855 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:28:59,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--media--platform--timblogiw.ko-entry_point.cil.out.i [2024-12-02 11:29:02,513 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/data/5a13ec30c/4f647d00ed2b4516810959b9a3d58157/FLAGec039e6b8 [2024-12-02 11:29:02,901 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:29:02,902 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--media--platform--timblogiw.ko-entry_point.cil.out.i [2024-12-02 11:29:02,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/data/5a13ec30c/4f647d00ed2b4516810959b9a3d58157/FLAGec039e6b8 [2024-12-02 11:29:03,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/data/5a13ec30c/4f647d00ed2b4516810959b9a3d58157 [2024-12-02 11:29:03,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:29:03,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:29:03,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:29:03,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:29:03,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:29:03,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:29:03" (1/1) ... [2024-12-02 11:29:03,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da0d6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:03, skipping insertion in model container [2024-12-02 11:29:03,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:29:03" (1/1) ... [2024-12-02 11:29:03,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:29:03,482 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4300] [2024-12-02 11:29:03,497 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4822] [2024-12-02 11:29:03,498 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4823-4824] [2024-12-02 11:29:03,699 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_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--media--platform--timblogiw.ko-entry_point.cil.out.i[151293,151306] [2024-12-02 11:29:04,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:29:04,166 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:29:04,256 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4300] [2024-12-02 11:29:04,262 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4822] [2024-12-02 11:29:04,263 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4823-4824] [2024-12-02 11:29:04,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4906] [2024-12-02 11:29:04,271 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_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--media--platform--timblogiw.ko-entry_point.cil.out.i[151293,151306] [2024-12-02 11:29:04,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:29:04,457 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:29:04,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04 WrapperNode [2024-12-02 11:29:04,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:29:04,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:29:04,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:29:04,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:29:04,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:04,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:05,021 INFO L138 Inliner]: procedures = 183, calls = 2514, calls flagged for inlining = 108, calls inlined = 97, statements flattened = 5334 [2024-12-02 11:29:05,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:29:05,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:29:05,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:29:05,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:29:05,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:05,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:05,262 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:05,760 INFO L175 MemorySlicer]: Split 1907 memory accesses to 12 slices as follows [2, 2, 849, 3, 24, 2, 1, 855, 161, 2, 2, 4]. 45 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 4]. The 1210 writes are split as follows [0, 1, 321, 2, 24, 1, 1, 720, 138, 1, 1, 0]. [2024-12-02 11:29:05,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:05,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:06,453 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:06,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:06,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:06,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:06,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:06,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:29:06,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:29:06,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:29:06,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:29:06,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (1/1) ... [2024-12-02 11:29:06,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:29:06,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:29:06,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:29:06,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:29:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-02 11:29:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-02 11:29:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2024-12-02 11:29:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2024-12-02 11:29:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-12-02 11:29:06,600 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-12-02 11:29:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 11:29:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 11:29:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 11:29:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 11:29:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure timblogiw_try_fmt [2024-12-02 11:29:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure timblogiw_try_fmt [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 11:29:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 11:29:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure timblogiw_frame_size [2024-12-02 11:29:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure timblogiw_frame_size [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 11:29:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 11:29:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dma_contig_free [2024-12-02 11:29:06,603 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dma_contig_free [2024-12-02 11:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 11:29:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 11:29:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:29:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:29:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:29:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:29:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:29:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:29:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:29:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:29:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:29:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:29:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 11:29:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 11:29:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure timblogiw_poll [2024-12-02 11:29:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure timblogiw_poll [2024-12-02 11:29:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-12-02 11:29:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-12-02 11:29:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 11:29:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 11:29:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 11:29:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 11:29:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 11:29:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-12-02 11:29:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure timblogiw_querystd [2024-12-02 11:29:06,607 INFO L138 BoogieDeclarations]: Found implementation of procedure timblogiw_querystd [2024-12-02 11:29:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2024-12-02 11:29:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure timblogiw_mmap [2024-12-02 11:29:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure timblogiw_mmap [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 11:29:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2024-12-02 11:29:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 11:29:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 11:29:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 11:29:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 11:29:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 11:29:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 11:29:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 11:29:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 11:29:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 11:29:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 11:29:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 11:29:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 11:29:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 11:29:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 11:29:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:29:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:29:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 11:29:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:29:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:29:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 11:29:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 11:29:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 11:29:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-12-02 11:29:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure timblogiw_get_norm [2024-12-02 11:29:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure timblogiw_get_norm [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 11:29:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2024-12-02 11:29:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-12-02 11:29:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2024-12-02 11:29:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2024-12-02 11:29:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-12-02 11:29:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 11:29:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 11:29:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 11:29:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 11:29:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 11:29:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 11:29:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 11:29:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 11:29:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 11:29:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_cap_set [2024-12-02 11:29:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_cap_set [2024-12-02 11:29:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 11:29:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 11:29:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure timblogiw_bytes_per_line [2024-12-02 11:29:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure timblogiw_bytes_per_line [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 11:29:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 11:29:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 11:29:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:29:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:29:07,308 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:29:07,310 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:29:07,588 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 11:29:29,407 INFO L? ?]: Removed 1584 outVars from TransFormulas that were not future-live. [2024-12-02 11:29:29,407 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:29:29,431 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:29:29,432 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 11:29:29,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:29 BoogieIcfgContainer [2024-12-02 11:29:29,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:29:29,434 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:29:29,434 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:29:29,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:29:29,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:29:03" (1/3) ... [2024-12-02 11:29:29,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59807526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:29:29, skipping insertion in model container [2024-12-02 11:29:29,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:29:04" (2/3) ... [2024-12-02 11:29:29,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59807526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:29:29, skipping insertion in model container [2024-12-02 11:29:29,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:29:29" (3/3) ... [2024-12-02 11:29:29,441 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--media--platform--timblogiw.ko-entry_point.cil.out.i [2024-12-02 11:29:29,452 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:29:29,455 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--media--platform--timblogiw.ko-entry_point.cil.out.i that has 58 procedures, 940 locations, 1 initial locations, 37 loop locations, and 1 error locations. [2024-12-02 11:29:29,512 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:29:29,521 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;@50af53e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:29:29,521 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:29:29,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 860 states, 616 states have (on average 1.323051948051948) internal successors, (815), 627 states have internal predecessors, (815), 203 states have call successors, (203), 40 states have call predecessors, (203), 39 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-12-02 11:29:29,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 11:29:29,551 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:29,552 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:29:29,552 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:29,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:29,557 INFO L85 PathProgramCache]: Analyzing trace with hash 330049993, now seen corresponding path program 1 times [2024-12-02 11:29:29,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:29,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708228785] [2024-12-02 11:29:29,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:29,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-12-02 11:29:50,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:50,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708228785] [2024-12-02 11:29:50,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708228785] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:50,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:50,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:29:50,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617278194] [2024-12-02 11:29:50,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:50,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:29:50,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:50,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:29:50,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:29:50,561 INFO L87 Difference]: Start difference. First operand has 860 states, 616 states have (on average 1.323051948051948) internal successors, (815), 627 states have internal predecessors, (815), 203 states have call successors, (203), 40 states have call predecessors, (203), 39 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 11:29:51,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:29:51,228 INFO L93 Difference]: Finished difference Result 2321 states and 3389 transitions. [2024-12-02 11:29:51,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:29:51,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 285 [2024-12-02 11:29:51,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:29:51,249 INFO L225 Difference]: With dead ends: 2321 [2024-12-02 11:29:51,249 INFO L226 Difference]: Without dead ends: 1433 [2024-12-02 11:29:51,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:29:51,258 INFO L435 NwaCegarLoop]: 1208 mSDtfsCounter, 977 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 2251 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 11:29:51,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [977 Valid, 2251 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 11:29:51,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1433 states. [2024-12-02 11:29:51,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1433 to 1431. [2024-12-02 11:29:51,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1049 states have (on average 1.3203050524308866) internal successors, (1385), 1054 states have internal predecessors, (1385), 313 states have call successors, (313), 69 states have call predecessors, (313), 68 states have return successors, (312), 311 states have call predecessors, (312), 312 states have call successors, (312) [2024-12-02 11:29:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2010 transitions. [2024-12-02 11:29:51,382 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2010 transitions. Word has length 285 [2024-12-02 11:29:51,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:29:51,383 INFO L471 AbstractCegarLoop]: Abstraction has 1431 states and 2010 transitions. [2024-12-02 11:29:51,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 11:29:51,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2010 transitions. [2024-12-02 11:29:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-12-02 11:29:51,396 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:29:51,397 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:29:51,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:29:51,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:29:51,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:51,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1268338679, now seen corresponding path program 1 times [2024-12-02 11:29:51,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:51,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436248654] [2024-12-02 11:29:51,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:51,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:30:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:30:10,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3448 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3448 trivial. 0 not checked. [2024-12-02 11:30:10,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:30:10,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436248654] [2024-12-02 11:30:10,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436248654] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:30:10,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:30:10,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:30:10,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618572650] [2024-12-02 11:30:10,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:30:10,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:30:10,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:30:10,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:30:10,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:30:10,962 INFO L87 Difference]: Start difference. First operand 1431 states and 2010 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 11:30:11,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:30:11,110 INFO L93 Difference]: Finished difference Result 1435 states and 2014 transitions. [2024-12-02 11:30:11,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:30:11,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 344 [2024-12-02 11:30:11,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:30:11,121 INFO L225 Difference]: With dead ends: 1435 [2024-12-02 11:30:11,121 INFO L226 Difference]: Without dead ends: 1432 [2024-12-02 11:30:11,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:30:11,122 INFO L435 NwaCegarLoop]: 1184 mSDtfsCounter, 0 mSDsluCounter, 1178 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2362 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:30:11,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2362 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:30:11,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-12-02 11:30:11,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2024-12-02 11:30:11,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1050 states have (on average 1.32) internal successors, (1386), 1055 states have internal predecessors, (1386), 313 states have call successors, (313), 69 states have call predecessors, (313), 68 states have return successors, (312), 311 states have call predecessors, (312), 312 states have call successors, (312) [2024-12-02 11:30:11,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2011 transitions. [2024-12-02 11:30:11,191 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2011 transitions. Word has length 344 [2024-12-02 11:30:11,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:30:11,192 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2011 transitions. [2024-12-02 11:30:11,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2024-12-02 11:30:11,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2011 transitions. [2024-12-02 11:30:11,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-12-02 11:30:11,203 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:30:11,203 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:30:11,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:30:11,204 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:30:11,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:30:11,204 INFO L85 PathProgramCache]: Analyzing trace with hash 918437021, now seen corresponding path program 1 times [2024-12-02 11:30:11,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:30:11,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137415570] [2024-12-02 11:30:11,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:30:11,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:30:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:30:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3448 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3448 trivial. 0 not checked. [2024-12-02 11:30:31,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:30:31,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137415570] [2024-12-02 11:30:31,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137415570] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:30:31,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:30:31,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:30:31,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651277449] [2024-12-02 11:30:31,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:30:31,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:30:31,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:30:31,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:30:31,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:30:31,311 INFO L87 Difference]: Start difference. First operand 1432 states and 2011 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-12-02 11:30:31,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:30:31,717 INFO L93 Difference]: Finished difference Result 4031 states and 5687 transitions. [2024-12-02 11:30:31,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:30:31,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 346 [2024-12-02 11:30:31,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:30:31,740 INFO L225 Difference]: With dead ends: 4031 [2024-12-02 11:30:31,740 INFO L226 Difference]: Without dead ends: 2696 [2024-12-02 11:30:31,746 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 [2024-12-02 11:30:31,748 INFO L435 NwaCegarLoop]: 1184 mSDtfsCounter, 1028 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 3394 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:30:31,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 3394 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:30:31,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2024-12-02 11:30:31,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2672. [2024-12-02 11:30:31,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 1976 states have (on average 1.334008097165992) internal successors, (2636), 1988 states have internal predecessors, (2636), 574 states have call successors, (574), 124 states have call predecessors, (574), 121 states have return successors, (573), 565 states have call predecessors, (573), 573 states have call successors, (573) [2024-12-02 11:30:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3783 transitions. [2024-12-02 11:30:31,872 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3783 transitions. Word has length 346 [2024-12-02 11:30:31,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:30:31,873 INFO L471 AbstractCegarLoop]: Abstraction has 2672 states and 3783 transitions. [2024-12-02 11:30:31,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-12-02 11:30:31,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3783 transitions. [2024-12-02 11:30:31,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2024-12-02 11:30:31,884 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:30:31,885 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:30:31,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:30:31,885 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:30:31,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:30:31,885 INFO L85 PathProgramCache]: Analyzing trace with hash -401313889, now seen corresponding path program 1 times [2024-12-02 11:30:31,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:30:31,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036505155] [2024-12-02 11:30:31,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:30:31,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:30:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:30:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3458 trivial. 0 not checked. [2024-12-02 11:30:51,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:30:51,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036505155] [2024-12-02 11:30:51,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036505155] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:30:51,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:30:51,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:30:51,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757102108] [2024-12-02 11:30:51,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:30:51,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:30:51,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:30:51,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:30:51,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:30:51,052 INFO L87 Difference]: Start difference. First operand 2672 states and 3783 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2024-12-02 11:30:55,133 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 [] [2024-12-02 11:30:55,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:30:55,968 INFO L93 Difference]: Finished difference Result 7660 states and 10837 transitions. [2024-12-02 11:30:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:30:55,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 421 [2024-12-02 11:30:55,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:30:55,986 INFO L225 Difference]: With dead ends: 7660 [2024-12-02 11:30:55,986 INFO L226 Difference]: Without dead ends: 5085 [2024-12-02 11:30:55,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:30:55,993 INFO L435 NwaCegarLoop]: 1867 mSDtfsCounter, 994 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 2978 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 11:30:55,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 2978 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 11:30:55,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5085 states. [2024-12-02 11:30:56,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5085 to 5082. [2024-12-02 11:30:56,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5082 states, 3783 states have (on average 1.3330689928628072) internal successors, (5043), 3801 states have internal predecessors, (5043), 1060 states have call successors, (1060), 243 states have call predecessors, (1060), 238 states have return successors, (1059), 1049 states have call predecessors, (1059), 1059 states have call successors, (1059) [2024-12-02 11:30:56,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5082 states to 5082 states and 7162 transitions. [2024-12-02 11:30:56,132 INFO L78 Accepts]: Start accepts. Automaton has 5082 states and 7162 transitions. Word has length 421 [2024-12-02 11:30:56,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:30:56,133 INFO L471 AbstractCegarLoop]: Abstraction has 5082 states and 7162 transitions. [2024-12-02 11:30:56,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2024-12-02 11:30:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 5082 states and 7162 transitions. [2024-12-02 11:30:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2024-12-02 11:30:56,148 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:30:56,148 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:30:56,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:30:56,149 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:30:56,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:30:56,149 INFO L85 PathProgramCache]: Analyzing trace with hash 899226989, now seen corresponding path program 1 times [2024-12-02 11:30:56,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:30:56,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076309624] [2024-12-02 11:30:56,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:30:56,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:31:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:31:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3471 trivial. 0 not checked. [2024-12-02 11:31:17,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:31:17,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076309624] [2024-12-02 11:31:17,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076309624] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:31:17,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:31:17,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:31:17,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410160367] [2024-12-02 11:31:17,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:31:17,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:31:17,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:31:17,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:31:17,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:31:17,625 INFO L87 Difference]: Start difference. First operand 5082 states and 7162 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-12-02 11:31:17,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:31:17,763 INFO L93 Difference]: Finished difference Result 7669 states and 10778 transitions. [2024-12-02 11:31:17,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:31:17,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 421 [2024-12-02 11:31:17,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:31:17,780 INFO L225 Difference]: With dead ends: 7669 [2024-12-02 11:31:17,780 INFO L226 Difference]: Without dead ends: 5084 [2024-12-02 11:31:17,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:31:17,786 INFO L435 NwaCegarLoop]: 1180 mSDtfsCounter, 4 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2356 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:31:17,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2356 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:31:17,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5084 states. [2024-12-02 11:31:17,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5084 to 5082. [2024-12-02 11:31:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5082 states, 3783 states have (on average 1.332011630980703) internal successors, (5039), 3801 states have internal predecessors, (5039), 1060 states have call successors, (1060), 243 states have call predecessors, (1060), 238 states have return successors, (1059), 1049 states have call predecessors, (1059), 1059 states have call successors, (1059) [2024-12-02 11:31:17,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5082 states to 5082 states and 7158 transitions. [2024-12-02 11:31:17,913 INFO L78 Accepts]: Start accepts. Automaton has 5082 states and 7158 transitions. Word has length 421 [2024-12-02 11:31:17,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:31:17,914 INFO L471 AbstractCegarLoop]: Abstraction has 5082 states and 7158 transitions. [2024-12-02 11:31:17,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-12-02 11:31:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 5082 states and 7158 transitions. [2024-12-02 11:31:17,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2024-12-02 11:31:17,926 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:31:17,926 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:31:17,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:31:17,926 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:31:17,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:31:17,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1765812112, now seen corresponding path program 1 times [2024-12-02 11:31:17,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:31:17,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073188256] [2024-12-02 11:31:17,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:31:17,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:31:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:31:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3471 trivial. 0 not checked. [2024-12-02 11:31:38,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:31:38,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073188256] [2024-12-02 11:31:38,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073188256] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:31:38,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:31:38,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:31:38,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920450138] [2024-12-02 11:31:38,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:31:38,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:31:38,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:31:38,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:31:38,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:31:38,696 INFO L87 Difference]: Start difference. First operand 5082 states and 7158 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-12-02 11:31:38,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:31:38,882 INFO L93 Difference]: Finished difference Result 10089 states and 14206 transitions. [2024-12-02 11:31:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:31:38,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 423 [2024-12-02 11:31:38,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:31:38,899 INFO L225 Difference]: With dead ends: 10089 [2024-12-02 11:31:38,899 INFO L226 Difference]: Without dead ends: 5083 [2024-12-02 11:31:38,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:31:38,909 INFO L435 NwaCegarLoop]: 1181 mSDtfsCounter, 0 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3541 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:31:38,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3541 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:31:38,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5083 states. [2024-12-02 11:31:39,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5083 to 5083. [2024-12-02 11:31:39,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5083 states, 3784 states have (on average 1.331923890063425) internal successors, (5040), 3802 states have internal predecessors, (5040), 1060 states have call successors, (1060), 243 states have call predecessors, (1060), 238 states have return successors, (1059), 1049 states have call predecessors, (1059), 1059 states have call successors, (1059) [2024-12-02 11:31:39,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 7159 transitions. [2024-12-02 11:31:39,044 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 7159 transitions. Word has length 423 [2024-12-02 11:31:39,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:31:39,045 INFO L471 AbstractCegarLoop]: Abstraction has 5083 states and 7159 transitions. [2024-12-02 11:31:39,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-12-02 11:31:39,045 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 7159 transitions. [2024-12-02 11:31:39,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2024-12-02 11:31:39,058 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:31:39,058 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:31:39,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:31:39,059 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:31:39,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:31:39,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1840094140, now seen corresponding path program 1 times [2024-12-02 11:31:39,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:31:39,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254778482] [2024-12-02 11:31:39,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:31:39,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:31:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:31:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3472 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3471 trivial. 0 not checked. [2024-12-02 11:31:59,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:31:59,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254778482] [2024-12-02 11:31:59,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254778482] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:31:59,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167339812] [2024-12-02 11:31:59,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:31:59,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:31:59,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:31:59,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:31:59,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:32:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:32:21,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 7186 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 11:32:21,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:32:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3472 backedges. 980 proven. 1 refuted. 0 times theorem prover too weak. 2491 trivial. 0 not checked. [2024-12-02 11:32:22,138 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:32:26,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3472 trivial. 0 not checked. [2024-12-02 11:32:26,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167339812] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:32:26,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:32:26,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 6] total 10 [2024-12-02 11:32:26,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916818194] [2024-12-02 11:32:26,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:32:26,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:32:26,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:32:26,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:32:26,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:32:26,182 INFO L87 Difference]: Start difference. First operand 5083 states and 7159 transitions. Second operand has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-12-02 11:32:26,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:32:26,323 INFO L93 Difference]: Finished difference Result 10078 states and 14193 transitions. [2024-12-02 11:32:26,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:32:26,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 424 [2024-12-02 11:32:26,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:32:26,348 INFO L225 Difference]: With dead ends: 10078 [2024-12-02 11:32:26,348 INFO L226 Difference]: Without dead ends: 5084 [2024-12-02 11:32:26,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 851 GetRequests, 843 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:32:26,357 INFO L435 NwaCegarLoop]: 1181 mSDtfsCounter, 0 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2361 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:32:26,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2361 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:32:26,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5084 states. [2024-12-02 11:32:26,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5084 to 5084. [2024-12-02 11:32:26,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5084 states, 3785 states have (on average 1.3318361955085865) internal successors, (5041), 3803 states have internal predecessors, (5041), 1060 states have call successors, (1060), 243 states have call predecessors, (1060), 238 states have return successors, (1059), 1049 states have call predecessors, (1059), 1059 states have call successors, (1059) [2024-12-02 11:32:26,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5084 states to 5084 states and 7160 transitions. [2024-12-02 11:32:26,483 INFO L78 Accepts]: Start accepts. Automaton has 5084 states and 7160 transitions. Word has length 424 [2024-12-02 11:32:26,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:32:26,483 INFO L471 AbstractCegarLoop]: Abstraction has 5084 states and 7160 transitions. [2024-12-02 11:32:26,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-12-02 11:32:26,483 INFO L276 IsEmpty]: Start isEmpty. Operand 5084 states and 7160 transitions. [2024-12-02 11:32:26,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2024-12-02 11:32:26,493 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:32:26,493 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:32:26,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:32:26,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:32:26,693 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:32:26,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:32:26,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1187384958, now seen corresponding path program 1 times [2024-12-02 11:32:26,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:32:26,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743262133] [2024-12-02 11:32:26,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:32:26,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:32:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:32:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3473 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3472 trivial. 0 not checked. [2024-12-02 11:32:48,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:32:48,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743262133] [2024-12-02 11:32:48,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743262133] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:32:48,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107752361] [2024-12-02 11:32:48,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:32:48,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:32:48,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:32:48,014 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:32:48,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:33:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:33:08,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 7201 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 11:33:08,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:33:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3473 backedges. 980 proven. 1 refuted. 0 times theorem prover too weak. 2492 trivial. 0 not checked. [2024-12-02 11:33:09,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:33:13,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3473 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3473 trivial. 0 not checked. [2024-12-02 11:33:13,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107752361] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 11:33:13,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:33:13,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 6] total 10 [2024-12-02 11:33:13,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478116934] [2024-12-02 11:33:13,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:33:13,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:33:13,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:33:13,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:33:13,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:33:13,565 INFO L87 Difference]: Start difference. First operand 5084 states and 7160 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-12-02 11:33:13,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:33:13,710 INFO L93 Difference]: Finished difference Result 10073 states and 14187 transitions. [2024-12-02 11:33:13,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:33:13,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 425 [2024-12-02 11:33:13,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:33:13,734 INFO L225 Difference]: With dead ends: 10073 [2024-12-02 11:33:13,735 INFO L226 Difference]: Without dead ends: 5085 [2024-12-02 11:33:13,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 853 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:33:13,743 INFO L435 NwaCegarLoop]: 1181 mSDtfsCounter, 0 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2361 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:33:13,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2361 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:33:13,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5085 states. [2024-12-02 11:33:13,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5085 to 5085. [2024-12-02 11:33:13,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5085 states, 3786 states have (on average 1.3317485472794506) internal successors, (5042), 3804 states have internal predecessors, (5042), 1060 states have call successors, (1060), 243 states have call predecessors, (1060), 238 states have return successors, (1059), 1049 states have call predecessors, (1059), 1059 states have call successors, (1059) [2024-12-02 11:33:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5085 states to 5085 states and 7161 transitions. [2024-12-02 11:33:13,856 INFO L78 Accepts]: Start accepts. Automaton has 5085 states and 7161 transitions. Word has length 425 [2024-12-02 11:33:13,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:33:13,856 INFO L471 AbstractCegarLoop]: Abstraction has 5085 states and 7161 transitions. [2024-12-02 11:33:13,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-12-02 11:33:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 5085 states and 7161 transitions. [2024-12-02 11:33:13,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2024-12-02 11:33:13,866 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:33:13,866 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:33:13,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 11:33:14,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:33:14,067 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:33:14,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:33:14,067 INFO L85 PathProgramCache]: Analyzing trace with hash -154986715, now seen corresponding path program 1 times [2024-12-02 11:33:14,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:33:14,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120211657] [2024-12-02 11:33:14,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:33:14,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:33:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:33:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3474 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3473 trivial. 0 not checked. [2024-12-02 11:33:35,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:33:35,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120211657] [2024-12-02 11:33:35,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120211657] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:33:35,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511873289] [2024-12-02 11:33:35,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:33:35,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:33:35,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:33:35,114 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:33:35,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:35:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:35:15,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 7216 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 11:35:15,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:35:15,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3474 backedges. 980 proven. 1 refuted. 0 times theorem prover too weak. 2493 trivial. 0 not checked. [2024-12-02 11:35:15,983 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:35:19,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3474 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3473 trivial. 0 not checked. [2024-12-02 11:35:19,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511873289] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:35:19,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:35:19,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-12-02 11:35:19,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669211826] [2024-12-02 11:35:19,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:35:19,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:35:19,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:19,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:35:19,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:35:19,995 INFO L87 Difference]: Start difference. First operand 5085 states and 7161 transitions. Second operand has 9 states, 9 states have (on average 25.88888888888889) internal successors, (233), 9 states have internal predecessors, (233), 2 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2024-12-02 11:35:20,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:20,475 INFO L93 Difference]: Finished difference Result 10098 states and 14217 transitions. [2024-12-02 11:35:20,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:35:20,476 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 25.88888888888889) internal successors, (233), 9 states have internal predecessors, (233), 2 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) Word has length 426 [2024-12-02 11:35:20,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:20,500 INFO L225 Difference]: With dead ends: 10098 [2024-12-02 11:35:20,500 INFO L226 Difference]: Without dead ends: 5088 [2024-12-02 11:35:20,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 856 GetRequests, 848 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:35:20,512 INFO L435 NwaCegarLoop]: 1181 mSDtfsCounter, 0 mSDsluCounter, 2362 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3543 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:20,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3543 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:35:20,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5088 states. [2024-12-02 11:35:20,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5088 to 5088. [2024-12-02 11:35:20,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5088 states, 3789 states have (on average 1.331485880179467) internal successors, (5045), 3807 states have internal predecessors, (5045), 1060 states have call successors, (1060), 243 states have call predecessors, (1060), 238 states have return successors, (1059), 1049 states have call predecessors, (1059), 1059 states have call successors, (1059) [2024-12-02 11:35:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5088 states to 5088 states and 7164 transitions. [2024-12-02 11:35:20,675 INFO L78 Accepts]: Start accepts. Automaton has 5088 states and 7164 transitions. Word has length 426 [2024-12-02 11:35:20,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:20,676 INFO L471 AbstractCegarLoop]: Abstraction has 5088 states and 7164 transitions. [2024-12-02 11:35:20,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.88888888888889) internal successors, (233), 9 states have internal predecessors, (233), 2 states have call successors, (87), 2 states have call predecessors, (87), 4 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2024-12-02 11:35:20,676 INFO L276 IsEmpty]: Start isEmpty. Operand 5088 states and 7164 transitions. [2024-12-02 11:35:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-12-02 11:35:20,691 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:20,691 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:20,892 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forcibly destroying the process [2024-12-02 11:35:21,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 137 [2024-12-02 11:35:21,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:35:21,051 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:21,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:21,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1502692689, now seen corresponding path program 2 times [2024-12-02 11:35:21,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:21,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561611084] [2024-12-02 11:35:21,052 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:35:21,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:35:41,331 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 11:35:41,332 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:35:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3483 trivial. 0 not checked. [2024-12-02 11:35:42,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:35:42,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561611084] [2024-12-02 11:35:42,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561611084] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:35:42,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:35:42,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:35:42,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275732097] [2024-12-02 11:35:42,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:35:42,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:35:42,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:35:42,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:35:42,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:35:42,590 INFO L87 Difference]: Start difference. First operand 5088 states and 7164 transitions. Second operand has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-12-02 11:35:42,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:35:42,761 INFO L93 Difference]: Finished difference Result 10091 states and 14207 transitions. [2024-12-02 11:35:42,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:35:42,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 429 [2024-12-02 11:35:42,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:35:42,777 INFO L225 Difference]: With dead ends: 10091 [2024-12-02 11:35:42,777 INFO L226 Difference]: Without dead ends: 5089 [2024-12-02 11:35:42,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:35:42,786 INFO L435 NwaCegarLoop]: 1181 mSDtfsCounter, 0 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3541 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:35:42,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3541 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:35:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5089 states. [2024-12-02 11:35:42,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5089 to 5089. [2024-12-02 11:35:42,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5089 states, 3790 states have (on average 1.3313984168865436) internal successors, (5046), 3808 states have internal predecessors, (5046), 1060 states have call successors, (1060), 243 states have call predecessors, (1060), 238 states have return successors, (1059), 1049 states have call predecessors, (1059), 1059 states have call successors, (1059) [2024-12-02 11:35:42,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5089 states to 5089 states and 7165 transitions. [2024-12-02 11:35:42,887 INFO L78 Accepts]: Start accepts. Automaton has 5089 states and 7165 transitions. Word has length 429 [2024-12-02 11:35:42,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:35:42,888 INFO L471 AbstractCegarLoop]: Abstraction has 5089 states and 7165 transitions. [2024-12-02 11:35:42,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-12-02 11:35:42,888 INFO L276 IsEmpty]: Start isEmpty. Operand 5089 states and 7165 transitions. [2024-12-02 11:35:42,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-12-02 11:35:42,897 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:35:42,898 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:35:42,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 11:35:42,898 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:35:42,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:35:42,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1191381874, now seen corresponding path program 1 times [2024-12-02 11:35:42,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:35:42,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835973663] [2024-12-02 11:35:42,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:35:42,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3484 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3483 trivial. 0 not checked. [2024-12-02 11:36:03,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:03,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835973663] [2024-12-02 11:36:03,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835973663] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:36:03,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023959891] [2024-12-02 11:36:03,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:36:03,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:03,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:36:03,526 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:36:03,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:36:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:36:25,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 7276 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 11:36:25,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:36:26,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3484 backedges. 980 proven. 8 refuted. 0 times theorem prover too weak. 2496 trivial. 0 not checked. [2024-12-02 11:36:26,332 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:36:30,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3484 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3483 trivial. 0 not checked. [2024-12-02 11:36:30,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023959891] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:36:30,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:36:30,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 5] total 14 [2024-12-02 11:36:30,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765144690] [2024-12-02 11:36:30,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:36:30,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 11:36:30,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:36:30,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 11:36:30,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-12-02 11:36:30,931 INFO L87 Difference]: Start difference. First operand 5089 states and 7165 transitions. Second operand has 14 states, 14 states have (on average 17.142857142857142) internal successors, (240), 14 states have internal predecessors, (240), 2 states have call successors, (86), 2 states have call predecessors, (86), 6 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2024-12-02 11:36:32,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:36:32,942 INFO L93 Difference]: Finished difference Result 10099 states and 14218 transitions. [2024-12-02 11:36:32,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 11:36:32,942 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 17.142857142857142) internal successors, (240), 14 states have internal predecessors, (240), 2 states have call successors, (86), 2 states have call predecessors, (86), 6 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) Word has length 430 [2024-12-02 11:36:32,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:36:32,958 INFO L225 Difference]: With dead ends: 10099 [2024-12-02 11:36:32,958 INFO L226 Difference]: Without dead ends: 5093 [2024-12-02 11:36:32,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 866 GetRequests, 851 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-12-02 11:36:32,967 INFO L435 NwaCegarLoop]: 1176 mSDtfsCounter, 1 mSDsluCounter, 12921 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14097 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:36:32,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 14097 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 11:36:32,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5093 states. [2024-12-02 11:36:33,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5093 to 5093. [2024-12-02 11:36:33,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5093 states, 3794 states have (on average 1.331049024775962) internal successors, (5050), 3812 states have internal predecessors, (5050), 1060 states have call successors, (1060), 243 states have call predecessors, (1060), 238 states have return successors, (1059), 1049 states have call predecessors, (1059), 1059 states have call successors, (1059) [2024-12-02 11:36:33,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5093 states to 5093 states and 7169 transitions. [2024-12-02 11:36:33,066 INFO L78 Accepts]: Start accepts. Automaton has 5093 states and 7169 transitions. Word has length 430 [2024-12-02 11:36:33,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:36:33,066 INFO L471 AbstractCegarLoop]: Abstraction has 5093 states and 7169 transitions. [2024-12-02 11:36:33,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.142857142857142) internal successors, (240), 14 states have internal predecessors, (240), 2 states have call successors, (86), 2 states have call predecessors, (86), 6 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2024-12-02 11:36:33,066 INFO L276 IsEmpty]: Start isEmpty. Operand 5093 states and 7169 transitions. [2024-12-02 11:36:33,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2024-12-02 11:36:33,074 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:36:33,074 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:36:33,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 11:36:33,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:33,275 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:36:33,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:36:33,275 INFO L85 PathProgramCache]: Analyzing trace with hash 31986259, now seen corresponding path program 2 times [2024-12-02 11:36:33,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:36:33,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004560382] [2024-12-02 11:36:33,276 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:36:33,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:36:52,630 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 11:36:52,630 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:36:54,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3492 trivial. 0 not checked. [2024-12-02 11:36:54,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:36:54,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004560382] [2024-12-02 11:36:54,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004560382] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:36:54,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938073841] [2024-12-02 11:36:54,461 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:36:54,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:36:54,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:36:54,463 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:36:54,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ceff9c97-5cc1-4880-be09-ed9ad16e4d16/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process