./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.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_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/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_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/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_a62d0306-728e-4344-93d7-51ff1f86191f/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 e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:11:26,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:11:26,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 08:11:26,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:11:26,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:11:26,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:11:26,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:11:26,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:11:26,499 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:11:26,499 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:11:26,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:11:26,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:11:26,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:11:26,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:11:26,500 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:11:26,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:11:26,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:11:26,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:11:26,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:11:26,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:11:26,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:11:26,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:11:26,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:11:26,501 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:11:26,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:11:26,501 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:11:26,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:11:26,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:11:26,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:11:26,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:11:26,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:11:26,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:11:26,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:11:26,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:11:26,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:11:26,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:11:26,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:11:26,503 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:11:26,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:11:26,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:11:26,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:11:26,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:11:26,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:11:26,503 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:11:26,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:11:26,503 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_a62d0306-728e-4344-93d7-51ff1f86191f/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 -> e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 [2024-12-02 08:11:26,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:11:26,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:11:26,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:11:26,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:11:26,728 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:11:26,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-12-02 08:11:29,357 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/data/c42c5721d/72c99646e8194ed5ba1a615b26a0bdda/FLAGda8f27b62 [2024-12-02 08:11:29,681 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:11:29,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-12-02 08:11:29,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/data/c42c5721d/72c99646e8194ed5ba1a615b26a0bdda/FLAGda8f27b62 [2024-12-02 08:11:29,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/data/c42c5721d/72c99646e8194ed5ba1a615b26a0bdda [2024-12-02 08:11:29,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:11:29,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:11:29,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:11:29,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:11:29,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:11:29,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:11:29" (1/1) ... [2024-12-02 08:11:29,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9f619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:29, skipping insertion in model container [2024-12-02 08:11:29,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:11:29" (1/1) ... [2024-12-02 08:11:29,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:11:30,436 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_a62d0306-728e-4344-93d7-51ff1f86191f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2024-12-02 08:11:30,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:11:30,468 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:11:30,585 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_a62d0306-728e-4344-93d7-51ff1f86191f/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2024-12-02 08:11:30,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:11:30,626 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:11:30,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30 WrapperNode [2024-12-02 08:11:30,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:11:30,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:11:30,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:11:30,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:11:30,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,722 INFO L138 Inliner]: procedures = 102, calls = 421, calls flagged for inlining = 49, calls inlined = 44, statements flattened = 1140 [2024-12-02 08:11:30,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:11:30,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:11:30,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:11:30,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:11:30,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,833 INFO L175 MemorySlicer]: Split 233 memory accesses to 13 slices as follows [161, 2, 18, 7, 5, 6, 3, 3, 2, 4, 4, 10, 8]. 69 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [14, 2, 0, 7, 5, 6, 3, 3, 2, 3, 3, 0, 0]. The 80 writes are split as follows [66, 0, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-12-02 08:11:30,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,869 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:11:30,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:11:30,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:11:30,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:11:30,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (1/1) ... [2024-12-02 08:11:30,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:11:30,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:11:30,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:11:30,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:11:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 08:11:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 08:11:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 08:11:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 08:11:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 08:11:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 08:11:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 08:11:30,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 08:11:30,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 08:11:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 08:11:30,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2024-12-02 08:11:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2024-12-02 08:11:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 08:11:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-12-02 08:11:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2024-12-02 08:11:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 08:11:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 08:11:30,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2024-12-02 08:11:30,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-12-02 08:11:30,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 08:11:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-12-02 08:11:30,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-12-02 08:11:30,963 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 08:11:30,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 08:11:30,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 08:11:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 08:11:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-12-02 08:11:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-12-02 08:11:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2024-12-02 08:11:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-12-02 08:11:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-12-02 08:11:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:11:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:11:31,269 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:11:31,271 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:11:36,420 INFO L? ?]: Removed 481 outVars from TransFormulas that were not future-live. [2024-12-02 08:11:36,420 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:11:36,434 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:11:36,435 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:11:36,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:36 BoogieIcfgContainer [2024-12-02 08:11:36,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:11:36,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:11:36,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:11:36,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:11:36,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:11:29" (1/3) ... [2024-12-02 08:11:36,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2175d51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:11:36, skipping insertion in model container [2024-12-02 08:11:36,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:30" (2/3) ... [2024-12-02 08:11:36,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2175d51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:11:36, skipping insertion in model container [2024-12-02 08:11:36,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:36" (3/3) ... [2024-12-02 08:11:36,443 INFO L128 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-12-02 08:11:36,456 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:11:36,458 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i that has 19 procedures, 301 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-02 08:11:36,513 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:11:36,524 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;@743eda15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:11:36,525 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:11:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 301 states, 227 states have (on average 1.2995594713656389) internal successors, (295), 233 states have internal predecessors, (295), 54 states have call successors, (54), 18 states have call predecessors, (54), 18 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 08:11:36,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 08:11:36,542 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:36,543 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:36,544 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:36,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:36,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1860750501, now seen corresponding path program 1 times [2024-12-02 08:11:36,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:36,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882032510] [2024-12-02 08:11:36,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:36,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 08:11:37,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:37,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882032510] [2024-12-02 08:11:37,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882032510] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:37,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:37,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:11:37,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408432562] [2024-12-02 08:11:37,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:37,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:11:37,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:37,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:11:37,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:11:37,484 INFO L87 Difference]: Start difference. First operand has 301 states, 227 states have (on average 1.2995594713656389) internal successors, (295), 233 states have internal predecessors, (295), 54 states have call successors, (54), 18 states have call predecessors, (54), 18 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 08:11:37,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:37,621 INFO L93 Difference]: Finished difference Result 594 states and 806 transitions. [2024-12-02 08:11:37,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:11:37,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 126 [2024-12-02 08:11:37,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:37,634 INFO L225 Difference]: With dead ends: 594 [2024-12-02 08:11:37,634 INFO L226 Difference]: Without dead ends: 289 [2024-12-02 08:11:37,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:11:37,642 INFO L435 NwaCegarLoop]: 395 mSDtfsCounter, 0 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:37,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1173 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:11:37,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-12-02 08:11:37,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-12-02 08:11:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 219 states have (on average 1.2831050228310503) internal successors, (281), 223 states have internal predecessors, (281), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 08:11:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 383 transitions. [2024-12-02 08:11:37,687 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 383 transitions. Word has length 126 [2024-12-02 08:11:37,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:37,689 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 383 transitions. [2024-12-02 08:11:37,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 08:11:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 383 transitions. [2024-12-02 08:11:37,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-02 08:11:37,693 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:37,693 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:37,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:11:37,694 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:37,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:37,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1568180097, now seen corresponding path program 1 times [2024-12-02 08:11:37,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:37,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617092913] [2024-12-02 08:11:37,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:37,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:38,245 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 08:11:38,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:38,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617092913] [2024-12-02 08:11:38,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617092913] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:38,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:38,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:11:38,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135075378] [2024-12-02 08:11:38,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:38,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:11:38,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:38,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:11:38,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:38,248 INFO L87 Difference]: Start difference. First operand 289 states and 383 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 08:11:38,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:38,307 INFO L93 Difference]: Finished difference Result 571 states and 759 transitions. [2024-12-02 08:11:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:11:38,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-12-02 08:11:38,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:38,311 INFO L225 Difference]: With dead ends: 571 [2024-12-02 08:11:38,311 INFO L226 Difference]: Without dead ends: 290 [2024-12-02 08:11:38,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:38,313 INFO L435 NwaCegarLoop]: 380 mSDtfsCounter, 0 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 754 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 08:11:38,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 754 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:11:38,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-12-02 08:11:38,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-12-02 08:11:38,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 220 states have (on average 1.2818181818181817) internal successors, (282), 224 states have internal predecessors, (282), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 08:11:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 384 transitions. [2024-12-02 08:11:38,335 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 384 transitions. Word has length 137 [2024-12-02 08:11:38,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:38,335 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 384 transitions. [2024-12-02 08:11:38,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 08:11:38,336 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 384 transitions. [2024-12-02 08:11:38,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-02 08:11:38,338 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:38,339 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:38,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:11:38,339 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:38,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:38,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1668949121, now seen corresponding path program 1 times [2024-12-02 08:11:38,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:38,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026733089] [2024-12-02 08:11:38,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:38,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:38,842 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 08:11:38,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:38,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026733089] [2024-12-02 08:11:38,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026733089] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:38,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:38,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:11:38,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380877537] [2024-12-02 08:11:38,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:38,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:11:38,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:38,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:11:38,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:11:38,844 INFO L87 Difference]: Start difference. First operand 290 states and 384 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 08:11:38,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:38,908 INFO L93 Difference]: Finished difference Result 574 states and 762 transitions. [2024-12-02 08:11:38,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:11:38,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-12-02 08:11:38,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:38,911 INFO L225 Difference]: With dead ends: 574 [2024-12-02 08:11:38,911 INFO L226 Difference]: Without dead ends: 292 [2024-12-02 08:11:38,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:11:38,913 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 0 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:38,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1118 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:11:38,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-12-02 08:11:38,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2024-12-02 08:11:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 222 states have (on average 1.2792792792792793) internal successors, (284), 226 states have internal predecessors, (284), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 08:11:38,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 386 transitions. [2024-12-02 08:11:38,928 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 386 transitions. Word has length 137 [2024-12-02 08:11:38,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:38,928 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 386 transitions. [2024-12-02 08:11:38,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 08:11:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 386 transitions. [2024-12-02 08:11:38,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-02 08:11:38,930 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:38,931 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:38,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:11:38,931 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:38,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:38,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1691581375, now seen corresponding path program 1 times [2024-12-02 08:11:38,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:38,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623437964] [2024-12-02 08:11:38,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:38,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:39,273 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 08:11:39,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:39,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623437964] [2024-12-02 08:11:39,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623437964] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:39,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:39,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:11:39,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762878181] [2024-12-02 08:11:39,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:39,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:11:39,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:39,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:11:39,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:39,276 INFO L87 Difference]: Start difference. First operand 292 states and 386 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 08:11:39,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:39,305 INFO L93 Difference]: Finished difference Result 577 states and 765 transitions. [2024-12-02 08:11:39,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:11:39,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-12-02 08:11:39,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:39,308 INFO L225 Difference]: With dead ends: 577 [2024-12-02 08:11:39,308 INFO L226 Difference]: Without dead ends: 293 [2024-12-02 08:11:39,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:39,309 INFO L435 NwaCegarLoop]: 380 mSDtfsCounter, 0 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 754 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 08:11:39,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 754 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:11:39,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-12-02 08:11:39,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-12-02 08:11:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 223 states have (on average 1.2780269058295963) internal successors, (285), 227 states have internal predecessors, (285), 52 states have call successors, (52), 18 states have call predecessors, (52), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 08:11:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 387 transitions. [2024-12-02 08:11:39,322 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 387 transitions. Word has length 137 [2024-12-02 08:11:39,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:39,323 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 387 transitions. [2024-12-02 08:11:39,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 08:11:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 387 transitions. [2024-12-02 08:11:39,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-02 08:11:39,325 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:39,325 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:39,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:11:39,325 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:39,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:39,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1901786047, now seen corresponding path program 1 times [2024-12-02 08:11:39,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:39,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753576890] [2024-12-02 08:11:39,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:39,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:40,107 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 08:11:40,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:40,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753576890] [2024-12-02 08:11:40,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753576890] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:40,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:40,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:11:40,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783120802] [2024-12-02 08:11:40,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:40,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:11:40,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:40,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:11:40,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:11:40,109 INFO L87 Difference]: Start difference. First operand 293 states and 387 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 08:11:44,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:11:48,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:11:48,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:48,705 INFO L93 Difference]: Finished difference Result 857 states and 1140 transitions. [2024-12-02 08:11:48,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:11:48,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-12-02 08:11:48,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:48,711 INFO L225 Difference]: With dead ends: 857 [2024-12-02 08:11:48,711 INFO L226 Difference]: Without dead ends: 853 [2024-12-02 08:11:48,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:11:48,712 INFO L435 NwaCegarLoop]: 415 mSDtfsCounter, 883 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 82 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:48,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [883 Valid, 1343 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 238 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2024-12-02 08:11:48,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-12-02 08:11:48,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2024-12-02 08:11:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 651 states have (on average 1.2795698924731183) internal successors, (833), 661 states have internal predecessors, (833), 150 states have call successors, (150), 52 states have call predecessors, (150), 51 states have return successors, (152), 148 states have call predecessors, (152), 148 states have call successors, (152) [2024-12-02 08:11:48,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1135 transitions. [2024-12-02 08:11:48,761 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1135 transitions. Word has length 137 [2024-12-02 08:11:48,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:48,762 INFO L471 AbstractCegarLoop]: Abstraction has 853 states and 1135 transitions. [2024-12-02 08:11:48,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 08:11:48,762 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1135 transitions. [2024-12-02 08:11:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 08:11:48,764 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:48,765 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:48,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:11:48,765 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:48,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:48,765 INFO L85 PathProgramCache]: Analyzing trace with hash -970050414, now seen corresponding path program 1 times [2024-12-02 08:11:48,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:48,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609716532] [2024-12-02 08:11:48,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:48,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 08:11:49,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:49,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609716532] [2024-12-02 08:11:49,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609716532] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:49,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:49,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:11:49,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862303310] [2024-12-02 08:11:49,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:49,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:11:49,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:49,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:11:49,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:49,223 INFO L87 Difference]: Start difference. First operand 853 states and 1135 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 08:11:53,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:11:53,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:53,297 INFO L93 Difference]: Finished difference Result 1700 states and 2265 transitions. [2024-12-02 08:11:53,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:11:53,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 147 [2024-12-02 08:11:53,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:53,305 INFO L225 Difference]: With dead ends: 1700 [2024-12-02 08:11:53,306 INFO L226 Difference]: Without dead ends: 1415 [2024-12-02 08:11:53,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:53,307 INFO L435 NwaCegarLoop]: 719 mSDtfsCounter, 363 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:53,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1094 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-12-02 08:11:53,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2024-12-02 08:11:53,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1133. [2024-12-02 08:11:53,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 865 states have (on average 1.2786127167630057) internal successors, (1106), 878 states have internal predecessors, (1106), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-12-02 08:11:53,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1506 transitions. [2024-12-02 08:11:53,361 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1506 transitions. Word has length 147 [2024-12-02 08:11:53,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:53,362 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1506 transitions. [2024-12-02 08:11:53,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 08:11:53,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1506 transitions. [2024-12-02 08:11:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-12-02 08:11:53,364 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:53,364 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:53,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:11:53,364 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:53,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:53,364 INFO L85 PathProgramCache]: Analyzing trace with hash 395986029, now seen corresponding path program 1 times [2024-12-02 08:11:53,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:53,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609186279] [2024-12-02 08:11:53,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:53,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-02 08:11:53,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:53,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609186279] [2024-12-02 08:11:53,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609186279] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:53,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:53,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:11:53,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181406967] [2024-12-02 08:11:53,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:53,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:11:53,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:53,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:11:53,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:11:53,791 INFO L87 Difference]: Start difference. First operand 1133 states and 1506 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:11:53,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:53,873 INFO L93 Difference]: Finished difference Result 2266 states and 3015 transitions. [2024-12-02 08:11:53,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:11:53,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 193 [2024-12-02 08:11:53,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:53,879 INFO L225 Difference]: With dead ends: 2266 [2024-12-02 08:11:53,879 INFO L226 Difference]: Without dead ends: 1141 [2024-12-02 08:11:53,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:11:53,882 INFO L435 NwaCegarLoop]: 378 mSDtfsCounter, 15 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:53,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 1096 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:11:53,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-12-02 08:11:53,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1141. [2024-12-02 08:11:53,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 873 states have (on average 1.2760595647193584) internal successors, (1114), 886 states have internal predecessors, (1114), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-12-02 08:11:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1514 transitions. [2024-12-02 08:11:53,938 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1514 transitions. Word has length 193 [2024-12-02 08:11:53,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:53,938 INFO L471 AbstractCegarLoop]: Abstraction has 1141 states and 1514 transitions. [2024-12-02 08:11:53,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:11:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1514 transitions. [2024-12-02 08:11:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-12-02 08:11:53,942 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:53,942 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:53,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:11:53,942 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:53,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:53,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1970708565, now seen corresponding path program 1 times [2024-12-02 08:11:53,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:53,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127242310] [2024-12-02 08:11:53,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:53,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:54,299 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-02 08:11:54,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:54,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127242310] [2024-12-02 08:11:54,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127242310] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:54,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:54,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:11:54,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668776720] [2024-12-02 08:11:54,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:54,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:11:54,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:54,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:11:54,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:54,301 INFO L87 Difference]: Start difference. First operand 1141 states and 1514 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:11:54,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:54,358 INFO L93 Difference]: Finished difference Result 2278 states and 3027 transitions. [2024-12-02 08:11:54,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:11:54,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 193 [2024-12-02 08:11:54,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:54,365 INFO L225 Difference]: With dead ends: 2278 [2024-12-02 08:11:54,366 INFO L226 Difference]: Without dead ends: 1145 [2024-12-02 08:11:54,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:11:54,369 INFO L435 NwaCegarLoop]: 380 mSDtfsCounter, 0 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 754 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 08:11:54,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 754 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:11:54,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-12-02 08:11:54,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1145. [2024-12-02 08:11:54,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 877 states have (on average 1.274800456100342) internal successors, (1118), 890 states have internal predecessors, (1118), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-12-02 08:11:54,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1518 transitions. [2024-12-02 08:11:54,449 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1518 transitions. Word has length 193 [2024-12-02 08:11:54,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:54,449 INFO L471 AbstractCegarLoop]: Abstraction has 1145 states and 1518 transitions. [2024-12-02 08:11:54,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:11:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1518 transitions. [2024-12-02 08:11:54,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-12-02 08:11:54,453 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:54,453 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:54,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:11:54,453 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:54,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:54,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1971170349, now seen corresponding path program 1 times [2024-12-02 08:11:54,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:54,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376606743] [2024-12-02 08:11:54,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:54,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-02 08:11:55,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:55,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376606743] [2024-12-02 08:11:55,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376606743] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:55,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:55,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:11:55,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442232714] [2024-12-02 08:11:55,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:55,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:11:55,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:55,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:11:55,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:11:55,018 INFO L87 Difference]: Start difference. First operand 1145 states and 1518 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:11:55,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:55,083 INFO L93 Difference]: Finished difference Result 2290 states and 3039 transitions. [2024-12-02 08:11:55,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:11:55,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 193 [2024-12-02 08:11:55,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:55,091 INFO L225 Difference]: With dead ends: 2290 [2024-12-02 08:11:55,091 INFO L226 Difference]: Without dead ends: 1153 [2024-12-02 08:11:55,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:11:55,095 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 0 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:55,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1130 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:11:55,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2024-12-02 08:11:55,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1153. [2024-12-02 08:11:55,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 885 states have (on average 1.272316384180791) internal successors, (1126), 898 states have internal predecessors, (1126), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-12-02 08:11:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1526 transitions. [2024-12-02 08:11:55,151 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1526 transitions. Word has length 193 [2024-12-02 08:11:55,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:55,152 INFO L471 AbstractCegarLoop]: Abstraction has 1153 states and 1526 transitions. [2024-12-02 08:11:55,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:11:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1526 transitions. [2024-12-02 08:11:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-02 08:11:55,156 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:55,156 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:55,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:11:55,156 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:55,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:55,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1167686706, now seen corresponding path program 1 times [2024-12-02 08:11:55,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:55,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021004107] [2024-12-02 08:11:55,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:55,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:55,503 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-02 08:11:55,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:55,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021004107] [2024-12-02 08:11:55,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021004107] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:55,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:55,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:11:55,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731525896] [2024-12-02 08:11:55,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:55,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:11:55,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:55,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:11:55,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:11:55,505 INFO L87 Difference]: Start difference. First operand 1153 states and 1526 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:11:55,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:55,551 INFO L93 Difference]: Finished difference Result 2306 states and 3055 transitions. [2024-12-02 08:11:55,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:11:55,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 194 [2024-12-02 08:11:55,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:55,556 INFO L225 Difference]: With dead ends: 2306 [2024-12-02 08:11:55,556 INFO L226 Difference]: Without dead ends: 1161 [2024-12-02 08:11:55,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:11:55,558 INFO L435 NwaCegarLoop]: 379 mSDtfsCounter, 0 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:55,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1130 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:11:55,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2024-12-02 08:11:55,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1161. [2024-12-02 08:11:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 893 states have (on average 1.2698768197088466) internal successors, (1134), 906 states have internal predecessors, (1134), 199 states have call successors, (199), 69 states have call predecessors, (199), 68 states have return successors, (201), 197 states have call predecessors, (201), 197 states have call successors, (201) [2024-12-02 08:11:55,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1534 transitions. [2024-12-02 08:11:55,594 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1534 transitions. Word has length 194 [2024-12-02 08:11:55,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:55,594 INFO L471 AbstractCegarLoop]: Abstraction has 1161 states and 1534 transitions. [2024-12-02 08:11:55,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:11:55,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1534 transitions. [2024-12-02 08:11:55,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-02 08:11:55,597 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:55,598 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:55,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:11:55,598 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:55,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:55,598 INFO L85 PathProgramCache]: Analyzing trace with hash -600466822, now seen corresponding path program 1 times [2024-12-02 08:11:55,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:55,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83015753] [2024-12-02 08:11:55,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:55,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:55,921 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-02 08:11:55,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:55,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83015753] [2024-12-02 08:11:55,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83015753] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:55,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:55,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:11:55,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76386334] [2024-12-02 08:11:55,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:55,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:11:55,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:55,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:11:55,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:11:55,923 INFO L87 Difference]: Start difference. First operand 1161 states and 1534 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:11:55,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:55,994 INFO L93 Difference]: Finished difference Result 2618 states and 3505 transitions. [2024-12-02 08:11:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:11:55,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 194 [2024-12-02 08:11:55,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:56,001 INFO L225 Difference]: With dead ends: 2618 [2024-12-02 08:11:56,001 INFO L226 Difference]: Without dead ends: 1465 [2024-12-02 08:11:56,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:11:56,004 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 82 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:56,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1319 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:11:56,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2024-12-02 08:11:56,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1244. [2024-12-02 08:11:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 968 states have (on average 1.2758264462809918) internal successors, (1235), 981 states have internal predecessors, (1235), 207 states have call successors, (207), 69 states have call predecessors, (207), 68 states have return successors, (209), 205 states have call predecessors, (209), 205 states have call successors, (209) [2024-12-02 08:11:56,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1651 transitions. [2024-12-02 08:11:56,044 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1651 transitions. Word has length 194 [2024-12-02 08:11:56,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:56,045 INFO L471 AbstractCegarLoop]: Abstraction has 1244 states and 1651 transitions. [2024-12-02 08:11:56,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:11:56,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1651 transitions. [2024-12-02 08:11:56,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-12-02 08:11:56,047 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:56,048 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:56,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 08:11:56,048 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:56,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:56,048 INFO L85 PathProgramCache]: Analyzing trace with hash -741463688, now seen corresponding path program 1 times [2024-12-02 08:11:56,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:56,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217829371] [2024-12-02 08:11:56,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:56,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-02 08:11:56,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:56,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217829371] [2024-12-02 08:11:56,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217829371] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:56,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:56,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:11:56,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553329957] [2024-12-02 08:11:56,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:56,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:11:56,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:56,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:11:56,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:11:56,350 INFO L87 Difference]: Start difference. First operand 1244 states and 1651 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:11:56,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:56,415 INFO L93 Difference]: Finished difference Result 2693 states and 3598 transitions. [2024-12-02 08:11:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:11:56,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 195 [2024-12-02 08:11:56,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:56,422 INFO L225 Difference]: With dead ends: 2693 [2024-12-02 08:11:56,422 INFO L226 Difference]: Without dead ends: 1457 [2024-12-02 08:11:56,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:11:56,425 INFO L435 NwaCegarLoop]: 463 mSDtfsCounter, 75 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:56,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1299 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:11:56,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-12-02 08:11:56,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1236. [2024-12-02 08:11:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1236 states, 960 states have (on average 1.265625) internal successors, (1215), 973 states have internal predecessors, (1215), 207 states have call successors, (207), 69 states have call predecessors, (207), 68 states have return successors, (209), 205 states have call predecessors, (209), 205 states have call successors, (209) [2024-12-02 08:11:56,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1631 transitions. [2024-12-02 08:11:56,464 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1631 transitions. Word has length 195 [2024-12-02 08:11:56,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:56,464 INFO L471 AbstractCegarLoop]: Abstraction has 1236 states and 1631 transitions. [2024-12-02 08:11:56,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 08:11:56,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1631 transitions. [2024-12-02 08:11:56,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-12-02 08:11:56,467 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:56,467 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:56,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 08:11:56,467 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:56,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:56,467 INFO L85 PathProgramCache]: Analyzing trace with hash -69477133, now seen corresponding path program 1 times [2024-12-02 08:11:56,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:56,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852421792] [2024-12-02 08:11:56,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:56,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-02 08:11:56,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:56,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852421792] [2024-12-02 08:11:56,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852421792] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:11:56,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048223368] [2024-12-02 08:11:56,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:56,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:11:56,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:11:56,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:11:56,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:11:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:57,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 2253 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:11:57,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:11:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-02 08:11:57,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:11:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-02 08:11:58,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048223368] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:11:58,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:11:58,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-12-02 08:11:58,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560308236] [2024-12-02 08:11:58,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:11:58,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:11:58,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:58,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:11:58,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:11:58,192 INFO L87 Difference]: Start difference. First operand 1236 states and 1631 transitions. Second operand has 6 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 5 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-12-02 08:11:58,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:11:58,387 INFO L93 Difference]: Finished difference Result 2982 states and 3999 transitions. [2024-12-02 08:11:58,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:11:58,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 5 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 195 [2024-12-02 08:11:58,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:11:58,398 INFO L225 Difference]: With dead ends: 2982 [2024-12-02 08:11:58,398 INFO L226 Difference]: Without dead ends: 1754 [2024-12-02 08:11:58,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 387 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:11:58,403 INFO L435 NwaCegarLoop]: 394 mSDtfsCounter, 132 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:11:58,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 837 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:11:58,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2024-12-02 08:11:58,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1620. [2024-12-02 08:11:58,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1296 states have (on average 1.2708333333333333) internal successors, (1647), 1309 states have internal predecessors, (1647), 255 states have call successors, (255), 69 states have call predecessors, (255), 68 states have return successors, (257), 253 states have call predecessors, (257), 253 states have call successors, (257) [2024-12-02 08:11:58,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2159 transitions. [2024-12-02 08:11:58,508 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2159 transitions. Word has length 195 [2024-12-02 08:11:58,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:11:58,508 INFO L471 AbstractCegarLoop]: Abstraction has 1620 states and 2159 transitions. [2024-12-02 08:11:58,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 6 states have internal predecessors, (150), 5 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-12-02 08:11:58,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2159 transitions. [2024-12-02 08:11:58,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-12-02 08:11:58,514 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:11:58,514 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:11:58,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:11:58,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 08:11:58,715 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:11:58,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:11:58,715 INFO L85 PathProgramCache]: Analyzing trace with hash -198441909, now seen corresponding path program 1 times [2024-12-02 08:11:58,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:11:58,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726217989] [2024-12-02 08:11:58,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:11:58,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:11:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:11:59,252 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 08:11:59,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:11:59,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726217989] [2024-12-02 08:11:59,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726217989] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:11:59,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:11:59,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:11:59,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929005642] [2024-12-02 08:11:59,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:11:59,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:11:59,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:11:59,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:11:59,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:11:59,254 INFO L87 Difference]: Start difference. First operand 1620 states and 2159 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:12:03,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:12:03,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:03,421 INFO L93 Difference]: Finished difference Result 3949 states and 5259 transitions. [2024-12-02 08:12:03,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:12:03,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 208 [2024-12-02 08:12:03,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:03,429 INFO L225 Difference]: With dead ends: 3949 [2024-12-02 08:12:03,429 INFO L226 Difference]: Without dead ends: 1145 [2024-12-02 08:12:03,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:12:03,435 INFO L435 NwaCegarLoop]: 732 mSDtfsCounter, 353 mSDsluCounter, 1808 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 2540 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:03,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 2540 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 08:12:03,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-12-02 08:12:03,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1115. [2024-12-02 08:12:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 883 states have (on average 1.245753114382786) internal successors, (1100), 893 states have internal predecessors, (1100), 180 states have call successors, (180), 52 states have call predecessors, (180), 51 states have return successors, (180), 178 states have call predecessors, (180), 178 states have call successors, (180) [2024-12-02 08:12:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1460 transitions. [2024-12-02 08:12:03,520 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1460 transitions. Word has length 208 [2024-12-02 08:12:03,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:03,521 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1460 transitions. [2024-12-02 08:12:03,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:12:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1460 transitions. [2024-12-02 08:12:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-12-02 08:12:03,525 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:03,526 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:03,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 08:12:03,526 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:12:03,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:03,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1256414509, now seen corresponding path program 1 times [2024-12-02 08:12:03,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:12:03,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409571111] [2024-12-02 08:12:03,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:03,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:12:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:04,016 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-12-02 08:12:04,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:12:04,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409571111] [2024-12-02 08:12:04,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409571111] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:04,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:04,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:12:04,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129186719] [2024-12-02 08:12:04,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:04,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:12:04,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:12:04,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:12:04,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:12:04,018 INFO L87 Difference]: Start difference. First operand 1115 states and 1460 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:12:04,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:04,102 INFO L93 Difference]: Finished difference Result 2253 states and 2958 transitions. [2024-12-02 08:12:04,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:12:04,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 229 [2024-12-02 08:12:04,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:04,109 INFO L225 Difference]: With dead ends: 2253 [2024-12-02 08:12:04,109 INFO L226 Difference]: Without dead ends: 1146 [2024-12-02 08:12:04,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:12:04,112 INFO L435 NwaCegarLoop]: 403 mSDtfsCounter, 16 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:04,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1169 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:12:04,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2024-12-02 08:12:04,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1027. [2024-12-02 08:12:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 803 states have (on average 1.2353673723536738) internal successors, (992), 813 states have internal predecessors, (992), 172 states have call successors, (172), 52 states have call predecessors, (172), 51 states have return successors, (172), 170 states have call predecessors, (172), 170 states have call successors, (172) [2024-12-02 08:12:04,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1336 transitions. [2024-12-02 08:12:04,162 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1336 transitions. Word has length 229 [2024-12-02 08:12:04,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:04,162 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1336 transitions. [2024-12-02 08:12:04,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:12:04,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1336 transitions. [2024-12-02 08:12:04,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-12-02 08:12:04,167 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:12:04,168 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:04,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 08:12:04,168 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:12:04,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:12:04,168 INFO L85 PathProgramCache]: Analyzing trace with hash 2024329055, now seen corresponding path program 1 times [2024-12-02 08:12:04,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:12:04,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644503521] [2024-12-02 08:12:04,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:12:04,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:12:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:12:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-12-02 08:12:04,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:12:04,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644503521] [2024-12-02 08:12:04,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644503521] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:12:04,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:12:04,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:12:04,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263160949] [2024-12-02 08:12:04,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:12:04,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:12:04,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:12:04,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:12:04,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:12:04,915 INFO L87 Difference]: Start difference. First operand 1027 states and 1336 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 5 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 08:12:08,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:12:12,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:12:13,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:12:13,247 INFO L93 Difference]: Finished difference Result 1364 states and 1777 transitions. [2024-12-02 08:12:13,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:12:13,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 5 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 247 [2024-12-02 08:12:13,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:12:13,249 INFO L225 Difference]: With dead ends: 1364 [2024-12-02 08:12:13,249 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 08:12:13,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:12:13,252 INFO L435 NwaCegarLoop]: 407 mSDtfsCounter, 702 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:12:13,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 667 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2024-12-02 08:12:13,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 08:12:13,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 08:12:13,253 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 08:12:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 08:12:13,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2024-12-02 08:12:13,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:12:13,255 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 08:12:13,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 5 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 08:12:13,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 08:12:13,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 08:12:13,258 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:12:13,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 08:12:13,262 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:12:13,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 08:12:20,930 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:12:20,946 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-12-02 08:12:20,947 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-12-02 08:12:20,947 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-12-02 08:12:20,947 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-12-02 08:12:20,947 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-12-02 08:12:20,947 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-12-02 08:12:20,947 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-12-02 08:12:20,947 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-12-02 08:12:20,947 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-12-02 08:12:20,947 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-12-02 08:12:20,948 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-12-02 08:12:20,948 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-12-02 08:12:20,948 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-12-02 08:12:20,948 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-12-02 08:12:20,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-12-02 08:12:20,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-12-02 08:12:20,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-12-02 08:12:20,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-12-02 08:12:20,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sensor_type~0 [2024-12-02 08:12:20,949 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-12-02 08:12:20,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:12:20 BoogieIcfgContainer [2024-12-02 08:12:20,950 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:12:20,950 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:12:20,950 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:12:20,950 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:12:20,951 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:36" (3/4) ... [2024-12-02 08:12:20,953 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ipmi_destroy_user [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_err [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hwmon_device_unregister [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ipmi_free_recv_msg [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ibmpex_send_message [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure device_remove_file [2024-12-02 08:12:20,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure extract_value [2024-12-02 08:12:20,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ibmpex_bmc_delete [2024-12-02 08:12:20,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_set_drvdata [2024-12-02 08:12:20,969 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 121 nodes and edges [2024-12-02 08:12:20,970 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2024-12-02 08:12:20,971 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-02 08:12:20,972 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 08:12:20,972 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 08:12:20,973 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 08:12:21,111 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 08:12:21,111 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 08:12:21,111 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:12:21,112 INFO L158 Benchmark]: Toolchain (without parser) took 51202.52ms. Allocated memory was 142.6MB in the beginning and 687.9MB in the end (delta: 545.3MB). Free memory was 115.3MB in the beginning and 280.4MB in the end (delta: -165.1MB). Peak memory consumption was 381.5MB. Max. memory is 16.1GB. [2024-12-02 08:12:21,112 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:12:21,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 717.36ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 68.5MB in the end (delta: 46.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-02 08:12:21,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.28ms. Allocated memory is still 142.6MB. Free memory was 68.5MB in the beginning and 109.2MB in the end (delta: -40.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-12-02 08:12:21,113 INFO L158 Benchmark]: Boogie Preprocessor took 176.31ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 83.5MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 08:12:21,113 INFO L158 Benchmark]: RCFGBuilder took 5535.28ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 88.5MB in the end (delta: -4.9MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-12-02 08:12:21,113 INFO L158 Benchmark]: TraceAbstraction took 44512.95ms. Allocated memory was 142.6MB in the beginning and 687.9MB in the end (delta: 545.3MB). Free memory was 88.5MB in the beginning and 297.1MB in the end (delta: -208.6MB). Peak memory consumption was 411.4MB. Max. memory is 16.1GB. [2024-12-02 08:12:21,113 INFO L158 Benchmark]: Witness Printer took 161.12ms. Allocated memory is still 687.9MB. Free memory was 297.1MB in the beginning and 280.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:12:21,115 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 717.36ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 68.5MB in the end (delta: 46.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.28ms. Allocated memory is still 142.6MB. Free memory was 68.5MB in the beginning and 109.2MB in the end (delta: -40.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.31ms. Allocated memory is still 142.6MB. Free memory was 109.2MB in the beginning and 83.5MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5535.28ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 88.5MB in the end (delta: -4.9MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * TraceAbstraction took 44512.95ms. Allocated memory was 142.6MB in the beginning and 687.9MB in the end (delta: 545.3MB). Free memory was 88.5MB in the beginning and 297.1MB in the end (delta: -208.6MB). Peak memory consumption was 411.4MB. Max. memory is 16.1GB. * Witness Printer took 161.12ms. Allocated memory is still 687.9MB. Free memory was 297.1MB in the beginning and 280.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sensor_type~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 * 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: 2415]: 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 19 procedures, 301 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.8s, OverallIterations: 16, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 26.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 2670 SdHoareTripleChecker+Valid, 25.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2621 mSDsluCounter, 18177 SdHoareTripleChecker+Invalid, 25.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11119 mSDsCounter, 118 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 604 IncrementalHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 118 mSolverCounterUnsat, 7058 mSDtfsCounter, 604 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 460 GetRequests, 422 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1620occurred in iteration=13, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 1007 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 3057 NumberOfCodeBlocks, 3057 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3234 ConstructedInterpolants, 0 QuantifiedInterpolants, 4004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2253 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 1483/1486 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: 2192]: Location Invariant Derived location invariant: (((((6 <= ldv_count_1) && (ldv_count_2 == 0)) || ((ldv_call_dev_attr_of_sensor_device_attribute == 1) && (((long) 5 + ldv_count_2) <= ldv_count_1))) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (((long) ldv_count_2 + 1) <= ldv_count_1))) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (ldv_call_dev_attr_of_sensor_device_attribute == 1))) - InvariantResult [Line: 1990]: Loop Invariant Derived loop invariant: ((((((ldv_call_dev_attr_of_sensor_device_attribute == 1) && (((long) 5 + ldv_count_2) <= ldv_count_1)) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (((long) ldv_count_2 + 1) <= ldv_count_1))) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (((long) 2 + ldv_count_2) <= ldv_count_1))) || ((6 <= ldv_count_1) && (ldv_count_2 == 0))) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (ldv_call_dev_attr_of_sensor_device_attribute == 1))) - InvariantResult [Line: 1993]: Loop Invariant Derived loop invariant: ((((((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (ldv_call_dev_attr_of_sensor_device_attribute == 1)) || ((6 <= ldv_count_1) && (ldv_count_2 == 0))) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (((long) ldv_count_2 + 1) <= ldv_count_1))) || ((ldv_call_dev_attr_of_sensor_device_attribute == 1) && (((long) 5 + ldv_count_2) <= ldv_count_1))) || ((ldv_call_dev_attr_of_sensor_device_attribute_2 != 0) && (((long) 2 + ldv_count_2) <= ldv_count_1))) RESULT: Ultimate proved your program to be correct! [2024-12-02 08:12:21,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62d0306-728e-4344-93d7-51ff1f86191f/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