./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.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_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0e5349f2aac0388d197fa32950f3e69d3339933dee46585f91772f9bda921aa4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:56:56,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:56:56,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:56:56,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:56:56,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:56:57,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:56:57,010 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:56:57,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:56:57,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:56:57,011 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:56:57,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:56:57,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:56:57,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:56:57,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:56:57,012 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:56:57,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:56:57,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:56:57,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:56:57,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:56:57,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:56:57,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:56:57,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:56:57,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:56:57,014 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:56:57,014 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:56:57,014 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:56:57,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:56:57,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:56:57,015 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:56:57,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:56:57,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:56:57,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:56:57,015 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:56:57,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:56:57,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:56:57,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:56:57,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:56:57,016 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:56:57,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:56:57,016 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:56:57,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:56:57,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:56:57,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:56:57,017 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:56:57,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:56:57,017 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_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e5349f2aac0388d197fa32950f3e69d3339933dee46585f91772f9bda921aa4 [2024-11-28 03:56:57,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:56:57,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:56:57,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:56:57,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:56:57,374 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:56:57,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2024-11-28 03:57:00,568 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/data/53ed9cd89/cbedc99597e44e96a3bf74ce4994d734/FLAG07c9dce38 [2024-11-28 03:57:01,147 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:57:01,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2024-11-28 03:57:01,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/data/53ed9cd89/cbedc99597e44e96a3bf74ce4994d734/FLAG07c9dce38 [2024-11-28 03:57:01,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/data/53ed9cd89/cbedc99597e44e96a3bf74ce4994d734 [2024-11-28 03:57:01,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:57:01,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:57:01,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:57:01,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:57:01,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:57:01,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:57:01" (1/1) ... [2024-11-28 03:57:01,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2babbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:01, skipping insertion in model container [2024-11-28 03:57:01,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:57:01" (1/1) ... [2024-11-28 03:57:01,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:57:02,001 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3059] [2024-11-28 03:57:02,001 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3060-3061] [2024-11-28 03:57:02,159 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_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i[90990,91003] [2024-11-28 03:57:02,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:57:02,675 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:57:02,850 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3059] [2024-11-28 03:57:02,851 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3060-3061] [2024-11-28 03:57:02,859 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; incl %0": "+m" (v->counter)); [3171] [2024-11-28 03:57:02,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3179-3180] [2024-11-28 03:57:02,870 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_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i[90990,91003] [2024-11-28 03:57:03,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:57:03,166 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:57:03,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03 WrapperNode [2024-11-28 03:57:03,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:57:03,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:57:03,170 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:57:03,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:57:03,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,400 INFO L138 Inliner]: procedures = 121, calls = 1489, calls flagged for inlining = 38, calls inlined = 36, statements flattened = 2419 [2024-11-28 03:57:03,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:57:03,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:57:03,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:57:03,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:57:03,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,448 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,680 INFO L175 MemorySlicer]: Split 1100 memory accesses to 19 slices as follows [2, 6, 11, 5, 8, 6, 2, 512, 3, 392, 31, 13, 11, 24, 29, 3, 11, 1, 30]. 47 percent of accesses are in the largest equivalence class. The 797 initializations are split as follows [2, 6, 11, 5, 0, 0, 0, 512, 3, 176, 24, 13, 4, 0, 29, 0, 11, 1, 0]. The 204 writes are split as follows [0, 0, 0, 0, 2, 5, 2, 0, 0, 139, 0, 0, 0, 24, 0, 2, 0, 0, 30]. [2024-11-28 03:57:03,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,811 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:57:03,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:57:03,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:57:03,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:57:03,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (1/1) ... [2024-11-28 03:57:03,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:03,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:03,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:57:03,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:57:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-11-28 03:57:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-11-28 03:57:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-28 03:57:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-28 03:57:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-11-28 03:57:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-11-28 03:57:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-11-28 03:57:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-11-28 03:57:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 03:57:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 03:57:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 03:57:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 03:57:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 03:57:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 03:57:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 03:57:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 03:57:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 03:57:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 03:57:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 03:57:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 03:57:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 03:57:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 03:57:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 03:57:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 03:57:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 03:57:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 03:57:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 03:57:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 03:57:04,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 03:57:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 03:57:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 03:57:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 03:57:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 03:57:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 03:57:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 03:57:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 03:57:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 03:57:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 03:57:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 03:57:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 03:57:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 03:57:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 03:57:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 03:57:04,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 03:57:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 03:57:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 03:57:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 03:57:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 03:57:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 03:57:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 03:57:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 03:57:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 03:57:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 03:57:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 03:57:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 03:57:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2024-11-28 03:57:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2024-11-28 03:57:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-11-28 03:57:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-11-28 03:57:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2024-11-28 03:57:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2024-11-28 03:57:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 03:57:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 03:57:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2024-11-28 03:57:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2024-11-28 03:57:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2024-11-28 03:57:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2024-11-28 03:57:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2024-11-28 03:57:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2024-11-28 03:57:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:57:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:57:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:57:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 03:57:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 03:57:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 03:57:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 03:57:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 03:57:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 03:57:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 03:57:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 03:57:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 03:57:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 03:57:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 03:57:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 03:57:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 03:57:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 03:57:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 03:57:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 03:57:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2024-11-28 03:57:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2024-11-28 03:57:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 03:57:04,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 03:57:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 03:57:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 03:57:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 03:57:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 03:57:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:57:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:57:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2024-11-28 03:57:04,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2024-11-28 03:57:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 03:57:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2024-11-28 03:57:04,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2024-11-28 03:57:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2024-11-28 03:57:04,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2024-11-28 03:57:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-28 03:57:04,041 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-28 03:57:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:57:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-28 03:57:04,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-28 03:57:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 03:57:04,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 03:57:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 03:57:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 03:57:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 03:57:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 03:57:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 03:57:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:57:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2024-11-28 03:57:04,043 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2024-11-28 03:57:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-28 03:57:04,043 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-28 03:57:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2024-11-28 03:57:04,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2024-11-28 03:57:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 03:57:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 03:57:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 03:57:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 03:57:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 03:57:04,045 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2024-11-28 03:57:04,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2024-11-28 03:57:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2024-11-28 03:57:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2024-11-28 03:57:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2024-11-28 03:57:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2024-11-28 03:57:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-11-28 03:57:04,049 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-11-28 03:57:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-11-28 03:57:04,050 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-11-28 03:57:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:57:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 03:57:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 03:57:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 03:57:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 03:57:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 03:57:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 03:57:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 03:57:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 03:57:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 03:57:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 03:57:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 03:57:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 03:57:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 03:57:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 03:57:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 03:57:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 03:57:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 03:57:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 03:57:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 03:57:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-11-28 03:57:04,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-11-28 03:57:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-11-28 03:57:04,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-11-28 03:57:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-28 03:57:04,055 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-28 03:57:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 03:57:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 03:57:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2024-11-28 03:57:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2024-11-28 03:57:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-11-28 03:57:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-11-28 03:57:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2024-11-28 03:57:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2024-11-28 03:57:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-28 03:57:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2024-11-28 03:57:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 03:57:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 03:57:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 03:57:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 03:57:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 03:57:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 03:57:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 03:57:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2024-11-28 03:57:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2024-11-28 03:57:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2024-11-28 03:57:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2024-11-28 03:57:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2024-11-28 03:57:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2024-11-28 03:57:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-28 03:57:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-28 03:57:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-28 03:57:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-28 03:57:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:57:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:57:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-11-28 03:57:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-11-28 03:57:04,059 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-28 03:57:04,059 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-28 03:57:04,765 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:57:04,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:57:04,849 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 03:57:23,333 INFO L? ?]: Removed 714 outVars from TransFormulas that were not future-live. [2024-11-28 03:57:23,334 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:57:23,382 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:57:23,383 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-28 03:57:23,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:57:23 BoogieIcfgContainer [2024-11-28 03:57:23,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:57:23,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:57:23,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:57:23,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:57:23,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:57:01" (1/3) ... [2024-11-28 03:57:23,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b6b5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:57:23, skipping insertion in model container [2024-11-28 03:57:23,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:03" (2/3) ... [2024-11-28 03:57:23,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b6b5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:57:23, skipping insertion in model container [2024-11-28 03:57:23,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:57:23" (3/3) ... [2024-11-28 03:57:23,396 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2024-11-28 03:57:23,416 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:57:23,418 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i that has 48 procedures, 883 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:57:23,537 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:57:23,555 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;@473f7d2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:57:23,556 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:57:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 882 states, 642 states have (on average 1.3831775700934579) internal successors, (888), 661 states have internal predecessors, (888), 196 states have call successors, (196), 47 states have call predecessors, (196), 46 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2024-11-28 03:57:23,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 03:57:23,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:23,627 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-28 03:57:23,628 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:23,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:23,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1970765120, now seen corresponding path program 1 times [2024-11-28 03:57:23,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:23,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814704371] [2024-11-28 03:57:23,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:23,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-28 03:57:26,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:26,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814704371] [2024-11-28 03:57:26,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814704371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:26,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:26,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:57:26,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68052965] [2024-11-28 03:57:26,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:26,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:57:26,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:26,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:57:26,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:57:26,275 INFO L87 Difference]: Start difference. First operand has 882 states, 642 states have (on average 1.3831775700934579) internal successors, (888), 661 states have internal predecessors, (888), 196 states have call successors, (196), 47 states have call predecessors, (196), 46 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:57:26,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:26,864 INFO L93 Difference]: Finished difference Result 2156 states and 3172 transitions. [2024-11-28 03:57:26,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:57:26,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 131 [2024-11-28 03:57:26,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:26,905 INFO L225 Difference]: With dead ends: 2156 [2024-11-28 03:57:26,905 INFO L226 Difference]: Without dead ends: 1211 [2024-11-28 03:57:26,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:57:26,927 INFO L435 NwaCegarLoop]: 1561 mSDtfsCounter, 584 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 2749 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:26,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 2749 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:57:26,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2024-11-28 03:57:27,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1209. [2024-11-28 03:57:27,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 868 states have (on average 1.3525345622119815) internal successors, (1174), 884 states have internal predecessors, (1174), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-28 03:57:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1709 transitions. [2024-11-28 03:57:27,137 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1709 transitions. Word has length 131 [2024-11-28 03:57:27,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:27,140 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1709 transitions. [2024-11-28 03:57:27,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:57:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1709 transitions. [2024-11-28 03:57:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-28 03:57:27,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:27,165 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-28 03:57:27,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:57:27,166 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:27,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:27,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1431735536, now seen corresponding path program 1 times [2024-11-28 03:57:27,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:27,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761192081] [2024-11-28 03:57:27,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:27,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-28 03:57:29,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:29,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761192081] [2024-11-28 03:57:29,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761192081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:29,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:29,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:57:29,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564509976] [2024-11-28 03:57:29,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:29,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:57:29,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:29,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:57:29,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:57:29,127 INFO L87 Difference]: Start difference. First operand 1209 states and 1709 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 03:57:29,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:29,351 INFO L93 Difference]: Finished difference Result 2414 states and 3425 transitions. [2024-11-28 03:57:29,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:57:29,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 176 [2024-11-28 03:57:29,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:29,369 INFO L225 Difference]: With dead ends: 2414 [2024-11-28 03:57:29,372 INFO L226 Difference]: Without dead ends: 1237 [2024-11-28 03:57:29,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:57:29,379 INFO L435 NwaCegarLoop]: 1185 mSDtfsCounter, 14 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2366 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:29,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2366 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:57:29,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2024-11-28 03:57:29,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1211. [2024-11-28 03:57:29,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 870 states have (on average 1.3517241379310345) internal successors, (1176), 886 states have internal predecessors, (1176), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-28 03:57:29,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1711 transitions. [2024-11-28 03:57:29,480 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1711 transitions. Word has length 176 [2024-11-28 03:57:29,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:29,481 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1711 transitions. [2024-11-28 03:57:29,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 03:57:29,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1711 transitions. [2024-11-28 03:57:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-28 03:57:29,495 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:29,496 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-28 03:57:29,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:57:29,496 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:29,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:29,497 INFO L85 PathProgramCache]: Analyzing trace with hash -72935417, now seen corresponding path program 1 times [2024-11-28 03:57:29,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:29,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596432053] [2024-11-28 03:57:29,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:29,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-28 03:57:30,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:30,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596432053] [2024-11-28 03:57:30,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596432053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:30,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:30,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:57:30,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592084402] [2024-11-28 03:57:30,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:30,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:57:30,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:30,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:57:30,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:57:30,930 INFO L87 Difference]: Start difference. First operand 1211 states and 1711 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 03:57:31,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:31,034 INFO L93 Difference]: Finished difference Result 2404 states and 3407 transitions. [2024-11-28 03:57:31,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:57:31,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 182 [2024-11-28 03:57:31,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:31,047 INFO L225 Difference]: With dead ends: 2404 [2024-11-28 03:57:31,048 INFO L226 Difference]: Without dead ends: 1225 [2024-11-28 03:57:31,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:57:31,055 INFO L435 NwaCegarLoop]: 1189 mSDtfsCounter, 1 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2375 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:31,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2375 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:57:31,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2024-11-28 03:57:31,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1225. [2024-11-28 03:57:31,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 884 states have (on average 1.3529411764705883) internal successors, (1196), 900 states have internal predecessors, (1196), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-28 03:57:31,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1731 transitions. [2024-11-28 03:57:31,128 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1731 transitions. Word has length 182 [2024-11-28 03:57:31,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:31,129 INFO L471 AbstractCegarLoop]: Abstraction has 1225 states and 1731 transitions. [2024-11-28 03:57:31,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 03:57:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1731 transitions. [2024-11-28 03:57:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-28 03:57:31,138 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:31,138 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-28 03:57:31,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:57:31,139 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:31,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:31,139 INFO L85 PathProgramCache]: Analyzing trace with hash 791629218, now seen corresponding path program 1 times [2024-11-28 03:57:31,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:31,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272856648] [2024-11-28 03:57:31,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:31,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-28 03:57:32,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:32,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272856648] [2024-11-28 03:57:32,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272856648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:57:32,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532588962] [2024-11-28 03:57:32,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:32,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:32,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:32,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:57:32,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:57:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:34,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 4011 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:57:34,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-28 03:57:35,018 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:35,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532588962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:35,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:57:35,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 03:57:35,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826949151] [2024-11-28 03:57:35,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:35,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:57:35,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:35,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:57:35,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:35,021 INFO L87 Difference]: Start difference. First operand 1225 states and 1731 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:57:35,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:35,114 INFO L93 Difference]: Finished difference Result 2419 states and 3427 transitions. [2024-11-28 03:57:35,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:57:35,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2024-11-28 03:57:35,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:35,127 INFO L225 Difference]: With dead ends: 2419 [2024-11-28 03:57:35,127 INFO L226 Difference]: Without dead ends: 1226 [2024-11-28 03:57:35,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:35,135 INFO L435 NwaCegarLoop]: 1190 mSDtfsCounter, 0 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2374 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:35,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2374 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:57:35,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2024-11-28 03:57:35,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1226. [2024-11-28 03:57:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 885 states have (on average 1.352542372881356) internal successors, (1197), 901 states have internal predecessors, (1197), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-28 03:57:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1732 transitions. [2024-11-28 03:57:35,209 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1732 transitions. Word has length 188 [2024-11-28 03:57:35,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:35,210 INFO L471 AbstractCegarLoop]: Abstraction has 1226 states and 1732 transitions. [2024-11-28 03:57:35,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:57:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1732 transitions. [2024-11-28 03:57:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-28 03:57:35,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:35,219 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-28 03:57:35,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:57:35,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-28 03:57:35,420 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:35,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:35,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1626855260, now seen corresponding path program 1 times [2024-11-28 03:57:35,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:35,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711733754] [2024-11-28 03:57:35,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:35,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-28 03:57:36,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:36,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711733754] [2024-11-28 03:57:36,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711733754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:57:36,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015187972] [2024-11-28 03:57:36,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:36,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:36,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:36,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:57:36,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:57:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:39,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 4014 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:57:39,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-28 03:57:39,628 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:39,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015187972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:39,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:57:39,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 03:57:39,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985943432] [2024-11-28 03:57:39,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:39,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:57:39,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:39,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:57:39,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:39,632 INFO L87 Difference]: Start difference. First operand 1226 states and 1732 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:57:39,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:39,735 INFO L93 Difference]: Finished difference Result 2422 states and 3490 transitions. [2024-11-28 03:57:39,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:57:39,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 188 [2024-11-28 03:57:39,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:39,751 INFO L225 Difference]: With dead ends: 2422 [2024-11-28 03:57:39,751 INFO L226 Difference]: Without dead ends: 1228 [2024-11-28 03:57:39,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:39,760 INFO L435 NwaCegarLoop]: 1190 mSDtfsCounter, 0 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2375 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:39,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2375 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:57:39,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2024-11-28 03:57:39,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1228. [2024-11-28 03:57:39,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 887 states have (on average 1.3517474633596391) internal successors, (1199), 903 states have internal predecessors, (1199), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-28 03:57:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1734 transitions. [2024-11-28 03:57:39,843 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1734 transitions. Word has length 188 [2024-11-28 03:57:39,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:39,847 INFO L471 AbstractCegarLoop]: Abstraction has 1228 states and 1734 transitions. [2024-11-28 03:57:39,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:57:39,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1734 transitions. [2024-11-28 03:57:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-28 03:57:39,860 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:39,860 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-28 03:57:39,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:57:40,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:40,065 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:40,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:40,065 INFO L85 PathProgramCache]: Analyzing trace with hash 763792602, now seen corresponding path program 1 times [2024-11-28 03:57:40,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:40,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187879884] [2024-11-28 03:57:40,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:40,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:41,434 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-28 03:57:41,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:41,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187879884] [2024-11-28 03:57:41,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187879884] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:57:41,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835181160] [2024-11-28 03:57:41,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:41,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:41,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:41,437 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:57:41,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:57:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:43,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 4019 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:57:43,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-28 03:57:43,695 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:43,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835181160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:43,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:57:43,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 03:57:43,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624056351] [2024-11-28 03:57:43,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:43,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:57:43,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:43,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:57:43,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:43,698 INFO L87 Difference]: Start difference. First operand 1228 states and 1734 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 03:57:43,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:43,771 INFO L93 Difference]: Finished difference Result 1232 states and 1738 transitions. [2024-11-28 03:57:43,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:57:43,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 189 [2024-11-28 03:57:43,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:43,782 INFO L225 Difference]: With dead ends: 1232 [2024-11-28 03:57:43,783 INFO L226 Difference]: Without dead ends: 1229 [2024-11-28 03:57:43,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:43,784 INFO L435 NwaCegarLoop]: 1190 mSDtfsCounter, 0 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2374 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:43,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2374 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:57:43,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-11-28 03:57:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1229. [2024-11-28 03:57:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 888 states have (on average 1.3513513513513513) internal successors, (1200), 904 states have internal predecessors, (1200), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-28 03:57:43,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1735 transitions. [2024-11-28 03:57:43,847 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1735 transitions. Word has length 189 [2024-11-28 03:57:43,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:43,848 INFO L471 AbstractCegarLoop]: Abstraction has 1229 states and 1735 transitions. [2024-11-28 03:57:43,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 03:57:43,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1735 transitions. [2024-11-28 03:57:43,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-28 03:57:43,856 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:43,857 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-28 03:57:43,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:57:44,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 03:57:44,058 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:44,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:44,058 INFO L85 PathProgramCache]: Analyzing trace with hash -413657618, now seen corresponding path program 1 times [2024-11-28 03:57:44,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:44,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507722427] [2024-11-28 03:57:44,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:44,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-28 03:57:45,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:45,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507722427] [2024-11-28 03:57:45,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507722427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:57:45,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56439163] [2024-11-28 03:57:45,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:45,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:45,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:45,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:57:45,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:57:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:47,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 4024 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:57:47,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-28 03:57:47,564 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:47,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56439163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:47,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:57:47,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 03:57:47,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467051243] [2024-11-28 03:57:47,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:47,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:57:47,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:47,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:57:47,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:47,568 INFO L87 Difference]: Start difference. First operand 1229 states and 1735 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:57:47,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:47,740 INFO L93 Difference]: Finished difference Result 2446 states and 3464 transitions. [2024-11-28 03:57:47,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:57:47,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2024-11-28 03:57:47,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:47,754 INFO L225 Difference]: With dead ends: 2446 [2024-11-28 03:57:47,754 INFO L226 Difference]: Without dead ends: 1249 [2024-11-28 03:57:47,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:47,761 INFO L435 NwaCegarLoop]: 1176 mSDtfsCounter, 21 mSDsluCounter, 1168 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:47,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2344 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:57:47,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2024-11-28 03:57:47,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1231. [2024-11-28 03:57:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 890 states have (on average 1.350561797752809) internal successors, (1202), 906 states have internal predecessors, (1202), 268 states have call successors, (268), 73 states have call predecessors, (268), 72 states have return successors, (267), 267 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-28 03:57:47,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1737 transitions. [2024-11-28 03:57:47,822 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1737 transitions. Word has length 191 [2024-11-28 03:57:47,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:47,823 INFO L471 AbstractCegarLoop]: Abstraction has 1231 states and 1737 transitions. [2024-11-28 03:57:47,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 03:57:47,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1737 transitions. [2024-11-28 03:57:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-28 03:57:47,831 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:47,832 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-28 03:57:47,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:57:48,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:48,033 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:48,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:48,035 INFO L85 PathProgramCache]: Analyzing trace with hash -356347485, now seen corresponding path program 1 times [2024-11-28 03:57:48,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:48,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131378327] [2024-11-28 03:57:48,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:48,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:49,394 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-28 03:57:49,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:49,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131378327] [2024-11-28 03:57:49,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131378327] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:57:49,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523181784] [2024-11-28 03:57:49,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:49,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:49,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:49,399 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:57:49,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:57:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:51,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 4031 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:57:51,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:51,598 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 03:57:51,598 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:51,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523181784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:51,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:57:51,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 03:57:51,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996174842] [2024-11-28 03:57:51,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:51,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:57:51,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:51,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:57:51,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:51,601 INFO L87 Difference]: Start difference. First operand 1231 states and 1737 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-28 03:57:51,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:51,681 INFO L93 Difference]: Finished difference Result 2478 states and 3515 transitions. [2024-11-28 03:57:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:57:51,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 195 [2024-11-28 03:57:51,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:51,694 INFO L225 Difference]: With dead ends: 2478 [2024-11-28 03:57:51,694 INFO L226 Difference]: Without dead ends: 1279 [2024-11-28 03:57:51,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:51,701 INFO L435 NwaCegarLoop]: 1195 mSDtfsCounter, 13 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2379 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:51,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2379 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:57:51,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2024-11-28 03:57:51,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1279. [2024-11-28 03:57:51,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 926 states have (on average 1.3542116630669547) internal successors, (1254), 942 states have internal predecessors, (1254), 280 states have call successors, (280), 73 states have call predecessors, (280), 72 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) [2024-11-28 03:57:51,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1813 transitions. [2024-11-28 03:57:51,764 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1813 transitions. Word has length 195 [2024-11-28 03:57:51,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:51,765 INFO L471 AbstractCegarLoop]: Abstraction has 1279 states and 1813 transitions. [2024-11-28 03:57:51,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-28 03:57:51,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1813 transitions. [2024-11-28 03:57:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-28 03:57:51,775 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:51,775 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2024-11-28 03:57:51,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:57:51,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:51,976 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:51,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:51,976 INFO L85 PathProgramCache]: Analyzing trace with hash 162325341, now seen corresponding path program 1 times [2024-11-28 03:57:51,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:51,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135574081] [2024-11-28 03:57:51,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:51,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-28 03:57:52,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:52,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135574081] [2024-11-28 03:57:52,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135574081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:57:52,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509798151] [2024-11-28 03:57:52,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:52,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:52,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:52,971 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:57:52,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:57:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:54,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 4049 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:57:54,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-28 03:57:55,001 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:55,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509798151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:55,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:57:55,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-28 03:57:55,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605334223] [2024-11-28 03:57:55,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:55,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:57:55,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:55,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:57:55,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:55,004 INFO L87 Difference]: Start difference. First operand 1279 states and 1813 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 03:57:55,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:55,075 INFO L93 Difference]: Finished difference Result 2530 states and 3620 transitions. [2024-11-28 03:57:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:57:55,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 200 [2024-11-28 03:57:55,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:55,087 INFO L225 Difference]: With dead ends: 2530 [2024-11-28 03:57:55,087 INFO L226 Difference]: Without dead ends: 1283 [2024-11-28 03:57:55,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:55,094 INFO L435 NwaCegarLoop]: 1189 mSDtfsCounter, 1 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2371 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:55,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2371 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:57:55,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2024-11-28 03:57:55,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1281. [2024-11-28 03:57:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 928 states have (on average 1.353448275862069) internal successors, (1256), 944 states have internal predecessors, (1256), 280 states have call successors, (280), 73 states have call predecessors, (280), 72 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) [2024-11-28 03:57:55,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1815 transitions. [2024-11-28 03:57:55,148 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1815 transitions. Word has length 200 [2024-11-28 03:57:55,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:55,149 INFO L471 AbstractCegarLoop]: Abstraction has 1281 states and 1815 transitions. [2024-11-28 03:57:55,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 03:57:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1815 transitions. [2024-11-28 03:57:55,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-28 03:57:55,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:55,159 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-28 03:57:55,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:57:55,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:55,360 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:55,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:55,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1970794731, now seen corresponding path program 1 times [2024-11-28 03:57:55,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:55,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377490946] [2024-11-28 03:57:55,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:55,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:56,723 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-28 03:57:56,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:56,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377490946] [2024-11-28 03:57:56,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377490946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:57:56,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215754368] [2024-11-28 03:57:56,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:56,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:56,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:56,728 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:57:56,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:57:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:58,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 4481 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:57:58,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-28 03:57:59,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:59,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215754368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:59,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:57:59,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-28 03:57:59,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224915093] [2024-11-28 03:57:59,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:59,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:57:59,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:59,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:57:59,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:57:59,847 INFO L87 Difference]: Start difference. First operand 1281 states and 1815 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-28 03:57:59,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:59,950 INFO L93 Difference]: Finished difference Result 2522 states and 3583 transitions. [2024-11-28 03:57:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:57:59,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 259 [2024-11-28 03:57:59,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:59,955 INFO L225 Difference]: With dead ends: 2522 [2024-11-28 03:57:59,955 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:57:59,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:57:59,963 INFO L435 NwaCegarLoop]: 1178 mSDtfsCounter, 998 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 2355 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:59,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [998 Valid, 2355 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:57:59,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:57:59,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:57:59,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:57:59,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:57:59,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 259 [2024-11-28 03:57:59,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:59,968 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:57:59,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-28 03:57:59,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:57:59,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:57:59,971 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:57:59,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:58:00,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 03:58:00,175 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:58:00,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:58:04,462 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:58:04,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:58:04 BoogieIcfgContainer [2024-11-28 03:58:04,481 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:58:04,482 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:58:04,482 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:58:04,482 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:58:04,483 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:57:23" (3/4) ... [2024-11-28 03:58:04,485 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:58:04,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_identify [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_inc [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_command [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_wait [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_to_user [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_completion [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_destroy [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-28 03:58:04,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_nested [2024-11-28 03:58:04,494 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2024-11-28 03:58:04,494 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_sleep [2024-11-28 03:58:04,494 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_probe [2024-11-28 03:58:04,494 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_media_access_cmd [2024-11-28 03:58:04,494 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write_fm [2024-11-28 03:58:04,494 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 03:58:04,494 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_20 [2024-11-28 03:58:04,494 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_rewind [2024-11-28 03:58:04,494 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-28 03:58:04,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iminor [2024-11-28 03:58:04,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_atapi [2024-11-28 03:58:04,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_poll_dsc [2024-11-28 03:58:04,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_create [2024-11-28 03:58:04,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xn [2024-11-28 03:58:04,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-11-28 03:58:04,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-11-28 03:58:04,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_req_sense [2024-11-28 03:58:04,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2024-11-28 03:58:04,496 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_reset [2024-11-28 03:58:04,496 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2024-11-28 03:58:04,496 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-28 03:58:04,533 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 334 nodes and edges [2024-11-28 03:58:04,536 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2024-11-28 03:58:04,540 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-28 03:58:04,544 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 03:58:04,547 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 03:58:04,551 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 03:58:04,555 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:58:04,558 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:58:05,032 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:58:05,036 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:58:05,036 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:58:05,037 INFO L158 Benchmark]: Toolchain (without parser) took 63824.51ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 113.5MB in the beginning and 212.8MB in the end (delta: -99.4MB). Peak memory consumption was 604.7MB. Max. memory is 16.1GB. [2024-11-28 03:58:05,038 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:58:05,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1954.26ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 72.1MB in the end (delta: 41.4MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. [2024-11-28 03:58:05,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 231.25ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 56.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:58:05,039 INFO L158 Benchmark]: Boogie Preprocessor took 529.08ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 56.5MB in the beginning and 354.2MB in the end (delta: -297.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-28 03:58:05,039 INFO L158 Benchmark]: RCFGBuilder took 19452.31ms. Allocated memory is still 427.8MB. Free memory was 354.2MB in the beginning and 192.5MB in the end (delta: 161.8MB). Peak memory consumption was 173.1MB. Max. memory is 16.1GB. [2024-11-28 03:58:05,039 INFO L158 Benchmark]: TraceAbstraction took 41094.95ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 864.0MB). Free memory was 192.5MB in the beginning and 674.4MB in the end (delta: -482.0MB). Peak memory consumption was 390.4MB. Max. memory is 16.1GB. [2024-11-28 03:58:05,040 INFO L158 Benchmark]: Witness Printer took 554.93ms. Allocated memory was 1.3GB in the beginning and 335.5MB in the end (delta: -956.3MB). Free memory was 674.4MB in the beginning and 212.8MB in the end (delta: 461.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-28 03:58:05,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1954.26ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 72.1MB in the end (delta: 41.4MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 231.25ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 56.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 529.08ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 56.5MB in the beginning and 354.2MB in the end (delta: -297.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * RCFGBuilder took 19452.31ms. Allocated memory is still 427.8MB. Free memory was 354.2MB in the beginning and 192.5MB in the end (delta: 161.8MB). Peak memory consumption was 173.1MB. Max. memory is 16.1GB. * TraceAbstraction took 41094.95ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 864.0MB). Free memory was 192.5MB in the beginning and 674.4MB in the end (delta: -482.0MB). Peak memory consumption was 390.4MB. Max. memory is 16.1GB. * Witness Printer took 554.93ms. Allocated memory was 1.3GB in the beginning and 335.5MB in the end (delta: -956.3MB). Free memory was 674.4MB in the beginning and 212.8MB in the end (delta: 461.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3171]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3171] - GenericResultAtLocation [Line: 3179]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [3179-3180] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3271]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 883 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.7s, OverallIterations: 10, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1644 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1632 mSDsluCounter, 24062 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11819 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 12243 mSDtfsCounter, 122 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1441 GetRequests, 1415 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1281occurred in iteration=9, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 48 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 5.0s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 3309 NumberOfCodeBlocks, 3309 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3292 ConstructedInterpolants, 0 QuantifiedInterpolants, 3951 SizeOfPredicates, 1 NumberOfNonLiveVariables, 28629 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 1249/1256 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4426]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4058]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4301]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4673]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4461]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4591]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4112]: Loop Invariant Derived loop invariant: (ldv_spin == 0) - InvariantResult [Line: 4515]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3641]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4461]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4301]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4214]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3467]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3679]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4351]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3784]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3467]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3825]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3602]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3784]: Location Invariant Derived location invariant: (ldv_spin == 0) RESULT: Ultimate proved your program to be correct! [2024-11-28 03:58:05,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f61a06-0e2b-49a9-8bfb-52e5a4734d5f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE