./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--pg.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_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/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--pg.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 86380eb8807c8834472c3c5bc5f358e156df083f7e4b141cf7faa18b94c9fafb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:00:59,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:00:59,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 12:00:59,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:00:59,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:00:59,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:00:59,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:00:59,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:00:59,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:00:59,111 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:00:59,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:00:59,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:00:59,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:00:59,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:00:59,112 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:00:59,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:00:59,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:00:59,112 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:00:59,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:00:59,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:00:59,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:00:59,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:00:59,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:00:59,113 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:00:59,113 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:00:59,113 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:00:59,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:00:59,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:00:59,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:00:59,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:00:59,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:00:59,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:00:59,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:00:59,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:00:59,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:00:59,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:00:59,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:00:59,114 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:00:59,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:00:59,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:00:59,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:00:59,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:00:59,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:00:59,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:00:59,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:00:59,115 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_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86380eb8807c8834472c3c5bc5f358e156df083f7e4b141cf7faa18b94c9fafb [2024-12-02 12:00:59,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:00:59,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:00:59,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:00:59,393 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:00:59,393 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:00:59,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2024-12-02 12:01:02,294 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/data/116ec675e/e088e9eda8044f569377ac66ccd0abb8/FLAG277e75651 [2024-12-02 12:01:02,652 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:01:02,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2024-12-02 12:01:02,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/data/116ec675e/e088e9eda8044f569377ac66ccd0abb8/FLAG277e75651 [2024-12-02 12:01:02,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/data/116ec675e/e088e9eda8044f569377ac66ccd0abb8 [2024-12-02 12:01:02,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:01:02,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:01:02,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:01:02,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:01:02,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:01:02,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:01:02" (1/1) ... [2024-12-02 12:01:02,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f387f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:02, skipping insertion in model container [2024-12-02 12:01:02,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:01:02" (1/1) ... [2024-12-02 12:01:02,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:01:03,124 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3070] [2024-12-02 12:01:03,124 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3071-3072] [2024-12-02 12:01:03,231 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_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i[91143,91156] [2024-12-02 12:01:03,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:01:03,553 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:01:03,665 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3070] [2024-12-02 12:01:03,665 WARN L1346 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3071-3072] [2024-12-02 12:01:03,667 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3152] [2024-12-02 12:01:03,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3160-3161] [2024-12-02 12:01:03,675 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_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i[91143,91156] [2024-12-02 12:01:03,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:01:03,816 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:01:03,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03 WrapperNode [2024-12-02 12:01:03,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:01:03,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:01:03,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:01:03,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:01:03,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:03,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:03,950 INFO L138 Inliner]: procedures = 113, calls = 1214, calls flagged for inlining = 42, calls inlined = 40, statements flattened = 1963 [2024-12-02 12:01:03,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:01:03,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:01:03,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:01:03,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:01:03,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:03,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:03,979 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:04,055 INFO L175 MemorySlicer]: Split 956 memory accesses to 21 slices as follows [2, 5, 32, 274, 6, 24, 1, 30, 512, 6, 2, 5, 6, 5, 2, 14, 3, 13, 6, 5, 3]. 54 percent of accesses are in the largest equivalence class. The 780 initializations are split as follows [2, 5, 24, 180, 4, 0, 1, 0, 512, 6, 0, 5, 6, 0, 0, 14, 0, 13, 0, 5, 3]. The 106 writes are split as follows [0, 0, 0, 40, 0, 24, 0, 30, 0, 0, 2, 0, 0, 5, 1, 0, 2, 0, 2, 0, 0]. [2024-12-02 12:01:04,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:04,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:04,158 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:04,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:04,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:04,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:04,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:04,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:01:04,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:01:04,210 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:01:04,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:01:04,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (1/1) ... [2024-12-02 12:01:04,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:01:04,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:01:04,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:01:04,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:01:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2024-12-02 12:01:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2024-12-02 12:01:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-12-02 12:01:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-12-02 12:01:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2024-12-02 12:01:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2024-12-02 12:01:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2024-12-02 12:01:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2024-12-02 12:01:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 12:01:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 12:01:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 12:01:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 12:01:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 12:01:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 12:01:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 12:01:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 12:01:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 12:01:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 12:01:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 12:01:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 12:01:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 12:01:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 12:01:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2024-12-02 12:01:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2024-12-02 12:01:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 12:01:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 12:01:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2024-12-02 12:01:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2024-12-02 12:01:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2024-12-02 12:01:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 12:01:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 12:01:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 12:01:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 12:01:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 12:01:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 12:01:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-12-02 12:01:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-12-02 12:01:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2024-12-02 12:01:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2024-12-02 12:01:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 12:01:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 12:01:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 12:01:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 12:01:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 12:01:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 12:01:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:01:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-12-02 12:01:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 12:01:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 12:01:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 12:01:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 12:01:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 12:01:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 12:01:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 12:01:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 12:01:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 12:01:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 12:01:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 12:01:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 12:01:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 12:01:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2024-12-02 12:01:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2024-12-02 12:01:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-12-02 12:01:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 12:01:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 12:01:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 12:01:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 12:01:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 12:01:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 12:01:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 12:01:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 12:01:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 12:01:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 12:01:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 12:01:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 12:01:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2024-12-02 12:01:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2024-12-02 12:01:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2024-12-02 12:01:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2024-12-02 12:01:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2024-12-02 12:01:04,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 12:01:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2024-12-02 12:01:04,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2024-12-02 12:01:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2024-12-02 12:01:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2024-12-02 12:01:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-12-02 12:01:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-12-02 12:01:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 12:01:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 12:01:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2024-12-02 12:01:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2024-12-02 12:01:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2024-12-02 12:01:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2024-12-02 12:01:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2024-12-02 12:01:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2024-12-02 12:01:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:01:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:01:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 12:01:04,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 12:01:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 12:01:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 12:01:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 12:01:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 12:01:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 12:01:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-12-02 12:01:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-12-02 12:01:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:01:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:01:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2024-12-02 12:01:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2024-12-02 12:01:04,295 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 12:01:04,295 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 12:01:04,713 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:01:04,715 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:01:04,774 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 12:01:11,214 INFO L? ?]: Removed 572 outVars from TransFormulas that were not future-live. [2024-12-02 12:01:11,214 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:01:11,237 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:01:11,237 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 12:01:11,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:01:11 BoogieIcfgContainer [2024-12-02 12:01:11,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:01:11,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:01:11,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:01:11,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:01:11,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:01:02" (1/3) ... [2024-12-02 12:01:11,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0654b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:01:11, skipping insertion in model container [2024-12-02 12:01:11,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:01:03" (2/3) ... [2024-12-02 12:01:11,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0654b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:01:11, skipping insertion in model container [2024-12-02 12:01:11,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:01:11" (3/3) ... [2024-12-02 12:01:11,248 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2024-12-02 12:01:11,266 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:01:11,269 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i that has 35 procedures, 551 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-02 12:01:11,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:01:11,359 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;@57ed3d92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:01:11,359 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:01:11,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 550 states, 402 states have (on average 1.355721393034826) internal successors, (545), 410 states have internal predecessors, (545), 113 states have call successors, (113), 34 states have call predecessors, (113), 33 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-12-02 12:01:11,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-02 12:01:11,387 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:11,388 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:01:11,389 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:01:11,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:11,394 INFO L85 PathProgramCache]: Analyzing trace with hash -177280700, now seen corresponding path program 1 times [2024-12-02 12:01:11,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:11,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838521676] [2024-12-02 12:01:11,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:11,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:12,921 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-02 12:01:12,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:12,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838521676] [2024-12-02 12:01:12,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838521676] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:12,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:12,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:01:12,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624532178] [2024-12-02 12:01:12,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:12,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:01:12,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:12,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:01:12,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:01:12,950 INFO L87 Difference]: Start difference. First operand has 550 states, 402 states have (on average 1.355721393034826) internal successors, (545), 410 states have internal predecessors, (545), 113 states have call successors, (113), 34 states have call predecessors, (113), 33 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 12:01:13,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:13,204 INFO L93 Difference]: Finished difference Result 1431 states and 2027 transitions. [2024-12-02 12:01:13,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:01:13,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 101 [2024-12-02 12:01:13,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:13,224 INFO L225 Difference]: With dead ends: 1431 [2024-12-02 12:01:13,225 INFO L226 Difference]: Without dead ends: 834 [2024-12-02 12:01:13,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:01:13,234 INFO L435 NwaCegarLoop]: 926 mSDtfsCounter, 476 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1638 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:13,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1638 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:01:13,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-12-02 12:01:13,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 832. [2024-12-02 12:01:13,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 600 states have (on average 1.325) internal successors, (795), 605 states have internal predecessors, (795), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 12:01:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1144 transitions. [2024-12-02 12:01:13,357 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1144 transitions. Word has length 101 [2024-12-02 12:01:13,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:13,358 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1144 transitions. [2024-12-02 12:01:13,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 12:01:13,359 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1144 transitions. [2024-12-02 12:01:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 12:01:13,369 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:13,369 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-12-02 12:01:13,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:01:13,369 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:01:13,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:13,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1644619041, now seen corresponding path program 1 times [2024-12-02 12:01:13,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:13,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948081421] [2024-12-02 12:01:13,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:13,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-12-02 12:01:14,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:14,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948081421] [2024-12-02 12:01:14,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948081421] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:14,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:14,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:01:14,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919050323] [2024-12-02 12:01:14,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:14,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:01:14,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:14,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:01:14,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:01:14,814 INFO L87 Difference]: Start difference. First operand 832 states and 1144 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 12:01:14,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:14,897 INFO L93 Difference]: Finished difference Result 1646 states and 2273 transitions. [2024-12-02 12:01:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:01:14,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2024-12-02 12:01:14,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:14,906 INFO L225 Difference]: With dead ends: 1646 [2024-12-02 12:01:14,906 INFO L226 Difference]: Without dead ends: 846 [2024-12-02 12:01:14,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:01:14,911 INFO L435 NwaCegarLoop]: 720 mSDtfsCounter, 7 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1437 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 [2024-12-02 12:01:14,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1437 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:14,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-12-02 12:01:14,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 834. [2024-12-02 12:01:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 602 states have (on average 1.323920265780731) internal successors, (797), 607 states have internal predecessors, (797), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 12:01:14,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1146 transitions. [2024-12-02 12:01:14,968 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1146 transitions. Word has length 148 [2024-12-02 12:01:14,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:14,968 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1146 transitions. [2024-12-02 12:01:14,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 12:01:14,969 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1146 transitions. [2024-12-02 12:01:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 12:01:14,975 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:14,975 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-12-02 12:01:14,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:01:14,976 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:01:14,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:14,976 INFO L85 PathProgramCache]: Analyzing trace with hash -983554104, now seen corresponding path program 1 times [2024-12-02 12:01:14,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:14,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108047141] [2024-12-02 12:01:14,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:14,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:16,068 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-12-02 12:01:16,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:16,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108047141] [2024-12-02 12:01:16,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108047141] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:01:16,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312767069] [2024-12-02 12:01:16,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:16,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:16,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:01:16,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:01:16,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:01:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:17,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 3467 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:01:17,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:01:17,595 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-02 12:01:17,595 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:01:17,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312767069] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:17,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:01:17,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 12:01:17,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981768418] [2024-12-02 12:01:17,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:17,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:01:17,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:17,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:01:17,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:17,597 INFO L87 Difference]: Start difference. First operand 834 states and 1146 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 12:01:17,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:17,681 INFO L93 Difference]: Finished difference Result 1637 states and 2257 transitions. [2024-12-02 12:01:17,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:01:17,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2024-12-02 12:01:17,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:17,691 INFO L225 Difference]: With dead ends: 1637 [2024-12-02 12:01:17,691 INFO L226 Difference]: Without dead ends: 835 [2024-12-02 12:01:17,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:17,696 INFO L435 NwaCegarLoop]: 722 mSDtfsCounter, 0 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1438 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 [2024-12-02 12:01:17,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1438 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-12-02 12:01:17,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2024-12-02 12:01:17,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 603 states have (on average 1.3233830845771144) internal successors, (798), 608 states have internal predecessors, (798), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 12:01:17,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1147 transitions. [2024-12-02 12:01:17,753 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1147 transitions. Word has length 158 [2024-12-02 12:01:17,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:17,754 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1147 transitions. [2024-12-02 12:01:17,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 12:01:17,754 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1147 transitions. [2024-12-02 12:01:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 12:01:17,759 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:17,760 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-12-02 12:01:17,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:01:17,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:17,960 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:01:17,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:17,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1400950710, now seen corresponding path program 1 times [2024-12-02 12:01:17,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:17,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159573527] [2024-12-02 12:01:17,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:17,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-12-02 12:01:18,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:18,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159573527] [2024-12-02 12:01:18,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159573527] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:01:18,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684828705] [2024-12-02 12:01:18,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:18,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:18,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:01:18,847 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:01:18,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:01:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:20,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 3470 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:01:20,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:01:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-02 12:01:20,278 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:01:20,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684828705] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:20,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:01:20,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 12:01:20,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785922644] [2024-12-02 12:01:20,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:20,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:01:20,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:20,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:01:20,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:20,280 INFO L87 Difference]: Start difference. First operand 835 states and 1147 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 12:01:20,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:20,325 INFO L93 Difference]: Finished difference Result 839 states and 1151 transitions. [2024-12-02 12:01:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:01:20,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 158 [2024-12-02 12:01:20,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:20,332 INFO L225 Difference]: With dead ends: 839 [2024-12-02 12:01:20,332 INFO L226 Difference]: Without dead ends: 836 [2024-12-02 12:01:20,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:20,334 INFO L435 NwaCegarLoop]: 722 mSDtfsCounter, 0 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1438 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 [2024-12-02 12:01:20,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1438 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:20,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-12-02 12:01:20,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 836. [2024-12-02 12:01:20,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 604 states have (on average 1.3228476821192052) internal successors, (799), 609 states have internal predecessors, (799), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 12:01:20,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1148 transitions. [2024-12-02 12:01:20,380 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1148 transitions. Word has length 158 [2024-12-02 12:01:20,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:20,381 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1148 transitions. [2024-12-02 12:01:20,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 12:01:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1148 transitions. [2024-12-02 12:01:20,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 12:01:20,386 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:20,387 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-12-02 12:01:20,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:01:20,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:20,587 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:01:20,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:20,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1961767970, now seen corresponding path program 1 times [2024-12-02 12:01:20,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:20,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610090035] [2024-12-02 12:01:20,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:20,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-12-02 12:01:21,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:21,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610090035] [2024-12-02 12:01:21,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610090035] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:01:21,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983180094] [2024-12-02 12:01:21,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:21,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:21,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:01:21,443 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:01:21,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:01:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:22,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 3475 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:01:22,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:01:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-02 12:01:22,879 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:01:22,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983180094] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:22,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:01:22,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 12:01:22,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647504254] [2024-12-02 12:01:22,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:22,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:01:22,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:22,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:01:22,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:22,882 INFO L87 Difference]: Start difference. First operand 836 states and 1148 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 12:01:22,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:22,968 INFO L93 Difference]: Finished difference Result 1664 states and 2297 transitions. [2024-12-02 12:01:22,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:01:22,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2024-12-02 12:01:22,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:22,975 INFO L225 Difference]: With dead ends: 1664 [2024-12-02 12:01:22,975 INFO L226 Difference]: Without dead ends: 860 [2024-12-02 12:01:22,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:22,979 INFO L435 NwaCegarLoop]: 725 mSDtfsCounter, 11 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:22,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1442 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:22,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2024-12-02 12:01:23,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 838. [2024-12-02 12:01:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 606 states have (on average 1.3217821782178218) internal successors, (801), 611 states have internal predecessors, (801), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 12:01:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1150 transitions. [2024-12-02 12:01:23,020 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1150 transitions. Word has length 160 [2024-12-02 12:01:23,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:23,021 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1150 transitions. [2024-12-02 12:01:23,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 12:01:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1150 transitions. [2024-12-02 12:01:23,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 12:01:23,026 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:23,026 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-12-02 12:01:23,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 12:01:23,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:23,227 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:01:23,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:23,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1797826935, now seen corresponding path program 1 times [2024-12-02 12:01:23,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:23,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19636729] [2024-12-02 12:01:23,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:23,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-12-02 12:01:24,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:24,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19636729] [2024-12-02 12:01:24,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19636729] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:01:24,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555653633] [2024-12-02 12:01:24,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:24,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:24,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:01:24,033 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:01:24,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 12:01:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:25,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 3546 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:01:25,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:01:25,307 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-02 12:01:25,308 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:01:25,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555653633] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:25,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:01:25,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 12:01:25,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681461865] [2024-12-02 12:01:25,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:25,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:01:25,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:25,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:01:25,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:25,309 INFO L87 Difference]: Start difference. First operand 838 states and 1150 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 12:01:25,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:25,402 INFO L93 Difference]: Finished difference Result 1661 states and 2288 transitions. [2024-12-02 12:01:25,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:01:25,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 165 [2024-12-02 12:01:25,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:25,409 INFO L225 Difference]: With dead ends: 1661 [2024-12-02 12:01:25,410 INFO L226 Difference]: Without dead ends: 855 [2024-12-02 12:01:25,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:25,414 INFO L435 NwaCegarLoop]: 715 mSDtfsCounter, 17 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:25,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1421 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:01:25,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-12-02 12:01:25,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 840. [2024-12-02 12:01:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 608 states have (on average 1.3207236842105263) internal successors, (803), 613 states have internal predecessors, (803), 175 states have call successors, (175), 57 states have call predecessors, (175), 56 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 12:01:25,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1152 transitions. [2024-12-02 12:01:25,456 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1152 transitions. Word has length 165 [2024-12-02 12:01:25,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:25,457 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1152 transitions. [2024-12-02 12:01:25,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 12:01:25,457 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1152 transitions. [2024-12-02 12:01:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 12:01:25,462 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:25,462 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-12-02 12:01:25,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 12:01:25,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:25,663 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:01:25,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:25,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1564805278, now seen corresponding path program 1 times [2024-12-02 12:01:25,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:25,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467158547] [2024-12-02 12:01:25,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:25,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-02 12:01:26,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:26,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467158547] [2024-12-02 12:01:26,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467158547] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:01:26,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851413163] [2024-12-02 12:01:26,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:26,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:26,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:01:26,577 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:01:26,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 12:01:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:28,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 3557 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:01:28,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:01:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 12:01:28,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:01:28,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851413163] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:28,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:01:28,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 12:01:28,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632118543] [2024-12-02 12:01:28,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:28,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:01:28,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:28,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:01:28,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:28,109 INFO L87 Difference]: Start difference. First operand 840 states and 1152 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 12:01:28,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:28,164 INFO L93 Difference]: Finished difference Result 1674 states and 2309 transitions. [2024-12-02 12:01:28,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:01:28,165 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), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 169 [2024-12-02 12:01:28,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:28,172 INFO L225 Difference]: With dead ends: 1674 [2024-12-02 12:01:28,172 INFO L226 Difference]: Without dead ends: 866 [2024-12-02 12:01:28,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:28,177 INFO L435 NwaCegarLoop]: 720 mSDtfsCounter, 17 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:28,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 1425 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:28,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2024-12-02 12:01:28,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2024-12-02 12:01:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 628 states have (on average 1.3232484076433122) internal successors, (831), 633 states have internal predecessors, (831), 181 states have call successors, (181), 57 states have call predecessors, (181), 56 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2024-12-02 12:01:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1192 transitions. [2024-12-02 12:01:28,217 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1192 transitions. Word has length 169 [2024-12-02 12:01:28,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:28,218 INFO L471 AbstractCegarLoop]: Abstraction has 866 states and 1192 transitions. [2024-12-02 12:01:28,218 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), 3 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 12:01:28,218 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1192 transitions. [2024-12-02 12:01:28,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-12-02 12:01:28,223 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:28,223 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:01:28,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 12:01:28,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:28,424 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:01:28,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:28,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1881492816, now seen corresponding path program 1 times [2024-12-02 12:01:28,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:28,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859472970] [2024-12-02 12:01:28,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:28,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:29,109 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-02 12:01:29,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:29,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859472970] [2024-12-02 12:01:29,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859472970] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:01:29,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375195846] [2024-12-02 12:01:29,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:29,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:01:29,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:01:29,111 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:01:29,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 12:01:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:30,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 3575 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:01:30,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:01:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-12-02 12:01:30,778 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:01:30,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375195846] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:30,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:01:30,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-12-02 12:01:30,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203077271] [2024-12-02 12:01:30,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:30,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:01:30,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:30,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:01:30,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:01:30,780 INFO L87 Difference]: Start difference. First operand 866 states and 1192 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 12:01:30,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:30,852 INFO L93 Difference]: Finished difference Result 1692 states and 2337 transitions. [2024-12-02 12:01:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:01:30,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 174 [2024-12-02 12:01:30,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:30,855 INFO L225 Difference]: With dead ends: 1692 [2024-12-02 12:01:30,855 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 12:01:30,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:01:30,862 INFO L435 NwaCegarLoop]: 710 mSDtfsCounter, 567 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1419 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 [2024-12-02 12:01:30,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1419 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:30,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 12:01:30,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 12:01:30,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:01:30,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 12:01:30,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2024-12-02 12:01:30,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:30,865 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:01:30,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 12:01:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 12:01:30,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 12:01:30,868 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:01:30,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 12:01:31,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-02 12:01:31,071 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:01:31,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 12:01:33,237 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:01:33,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:01:33 BoogieIcfgContainer [2024-12-02 12:01:33,252 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:01:33,252 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:01:33,252 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:01:33,253 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:01:33,253 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:01:11" (3/4) ... [2024-12-02 12:01:33,256 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_probe [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_completion [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_wait [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_write [2024-12-02 12:01:33,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_to_user [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_command [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_20 [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_reset [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_identify [2024-12-02 12:01:33,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2024-12-02 12:01:33,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-12-02 12:01:33,291 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2024-12-02 12:01:33,294 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2024-12-02 12:01:33,298 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-12-02 12:01:33,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 12:01:33,302 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 12:01:33,304 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 12:01:33,306 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:01:33,502 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:01:33,502 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 12:01:33,502 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:01:33,503 INFO L158 Benchmark]: Toolchain (without parser) took 30801.92ms. Allocated memory was 142.6MB in the beginning and 788.5MB in the end (delta: 645.9MB). Free memory was 110.2MB in the beginning and 384.4MB in the end (delta: -274.2MB). Peak memory consumption was 364.3MB. Max. memory is 16.1GB. [2024-12-02 12:01:33,504 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 82.4MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:01:33,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1115.02ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 84.7MB in the end (delta: 25.5MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2024-12-02 12:01:33,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.66ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 71.1MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:01:33,505 INFO L158 Benchmark]: Boogie Preprocessor took 258.14ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 91.5MB in the end (delta: -20.3MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-12-02 12:01:33,505 INFO L158 Benchmark]: RCFGBuilder took 7027.17ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 91.5MB in the beginning and 231.8MB in the end (delta: -140.4MB). Peak memory consumption was 152.9MB. Max. memory is 16.1GB. [2024-12-02 12:01:33,506 INFO L158 Benchmark]: TraceAbstraction took 22012.02ms. Allocated memory was 343.9MB in the beginning and 788.5MB in the end (delta: 444.6MB). Free memory was 231.8MB in the beginning and 413.5MB in the end (delta: -181.7MB). Peak memory consumption was 265.3MB. Max. memory is 16.1GB. [2024-12-02 12:01:33,506 INFO L158 Benchmark]: Witness Printer took 249.68ms. Allocated memory is still 788.5MB. Free memory was 413.5MB in the beginning and 384.4MB in the end (delta: 29.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 12:01:33,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 82.4MB in the beginning and 82.4MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1115.02ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 84.7MB in the end (delta: 25.5MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.66ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 71.1MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 258.14ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 91.5MB in the end (delta: -20.3MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * RCFGBuilder took 7027.17ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 91.5MB in the beginning and 231.8MB in the end (delta: -140.4MB). Peak memory consumption was 152.9MB. Max. memory is 16.1GB. * TraceAbstraction took 22012.02ms. Allocated memory was 343.9MB in the beginning and 788.5MB in the end (delta: 444.6MB). Free memory was 231.8MB in the beginning and 413.5MB in the end (delta: -181.7MB). Peak memory consumption was 265.3MB. Max. memory is 16.1GB. * Witness Printer took 249.68ms. Allocated memory is still 788.5MB. Free memory was 413.5MB in the beginning and 384.4MB in the end (delta: 29.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3152]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3152] - GenericResultAtLocation [Line: 3160]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3160-3161] * 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 35 procedures, 551 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.8s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1106 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1095 mSDsluCounter, 11658 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5698 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 5960 mSDtfsCounter, 91 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1009 GetRequests, 987 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=866occurred in iteration=7, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 51 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 2217 NumberOfCodeBlocks, 2217 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2203 ConstructedInterpolants, 0 QuantifiedInterpolants, 2655 SizeOfPredicates, 1 NumberOfNonLiveVariables, 21090 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 891/897 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: 3607]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3655]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 4162]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3634]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3806]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3655]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3506]: Location Invariant Derived location invariant: (ldv_spin == 0) - InvariantResult [Line: 3447]: Loop Invariant Derived loop invariant: (ldv_spin == 0) RESULT: Ultimate proved your program to be correct! [2024-12-02 12:01:33,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b79a9c0b-082f-4e5e-8c59-a0d753c3853f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE