./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/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_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/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 32bit --witnessprinter.graph.data.programhash d023369b57015b0448fa000adefc11450489c47a7d6ec713392eb13d9ca97ac2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:56:24,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:56:25,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:56:25,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:56:25,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:56:25,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:56:25,061 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:56:25,061 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:56:25,061 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:56:25,061 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:56:25,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:56:25,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:56:25,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:56:25,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:56:25,062 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:56:25,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:56:25,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:56:25,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:56:25,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:56:25,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:56:25,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:56:25,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:56:25,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:56:25,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:56:25,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:56:25,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:56:25,063 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:56:25,063 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:56:25,064 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:56:25,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:56:25,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:56:25,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:56:25,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:56:25,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:56:25,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:56:25,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:56:25,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:56:25,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:56:25,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:56:25,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:56:25,065 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:56:25,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:56:25,065 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:56:25,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:56:25,065 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:56:25,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:56:25,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:56:25,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:56:25,066 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_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d023369b57015b0448fa000adefc11450489c47a7d6ec713392eb13d9ca97ac2 [2024-12-02 06:56:25,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:56:25,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:56:25,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:56:25,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:56:25,273 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:56:25,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-76.i [2024-12-02 06:56:27,880 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/data/82ac49bd2/72468f563a62411ebedc9d5d6f768414/FLAGc5688a571 [2024-12-02 06:56:28,126 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:56:28,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-76.i [2024-12-02 06:56:28,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/data/82ac49bd2/72468f563a62411ebedc9d5d6f768414/FLAGc5688a571 [2024-12-02 06:56:28,149 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/data/82ac49bd2/72468f563a62411ebedc9d5d6f768414 [2024-12-02 06:56:28,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:56:28,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:56:28,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:56:28,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:56:28,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:56:28,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f7041b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28, skipping insertion in model container [2024-12-02 06:56:28,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:56:28,304 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_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-76.i[917,930] [2024-12-02 06:56:28,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:56:28,369 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:56:28,379 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_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-76.i[917,930] [2024-12-02 06:56:28,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:56:28,422 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:56:28,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28 WrapperNode [2024-12-02 06:56:28,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:56:28,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:56:28,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:56:28,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:56:28,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,466 INFO L138 Inliner]: procedures = 29, calls = 138, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 429 [2024-12-02 06:56:28,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:56:28,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:56:28,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:56:28,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:56:28,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,480 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,498 INFO L175 MemorySlicer]: Split 107 memory accesses to 6 slices as follows [2, 40, 15, 38, 6, 6]. 37 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 2, 4, 1, 1]. The 17 writes are split as follows [0, 7, 2, 6, 1, 1]. [2024-12-02 06:56:28,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,513 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:56:28,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:56:28,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:56:28,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:56:28,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (1/1) ... [2024-12-02 06:56:28,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:56:28,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:56:28,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:56:28,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:56:28,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:56:28,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 06:56:28,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 06:56:28,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 06:56:28,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 06:56:28,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 06:56:28,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:56:28,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:56:28,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:56:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:56:28,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:56:28,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 06:56:28,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:56:28,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:56:28,711 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:56:28,712 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:56:29,077 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-12-02 06:56:29,077 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:56:29,088 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:56:29,089 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:56:29,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:29 BoogieIcfgContainer [2024-12-02 06:56:29,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:56:29,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:56:29,091 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:56:29,096 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:56:29,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:56:28" (1/3) ... [2024-12-02 06:56:29,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1faeeb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:56:29, skipping insertion in model container [2024-12-02 06:56:29,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:56:28" (2/3) ... [2024-12-02 06:56:29,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1faeeb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:56:29, skipping insertion in model container [2024-12-02 06:56:29,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:29" (3/3) ... [2024-12-02 06:56:29,098 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-76.i [2024-12-02 06:56:29,113 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:56:29,114 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-ap_file-76.i that has 2 procedures, 102 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:56:29,175 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:56:29,185 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;@8c35365, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:56:29,185 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:56:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 85 states have internal predecessors, (119), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 06:56:29,197 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:29,198 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:29,198 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:29,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:29,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1898390398, now seen corresponding path program 1 times [2024-12-02 06:56:29,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:29,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120034672] [2024-12-02 06:56:29,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:29,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-02 06:56:29,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:29,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120034672] [2024-12-02 06:56:29,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120034672] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:56:29,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417645142] [2024-12-02 06:56:29,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:29,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:56:29,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:56:29,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:56:29,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:56:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:29,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:56:29,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:56:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-02 06:56:29,692 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:56:29,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417645142] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:29,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:56:29,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:56:29,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236777522] [2024-12-02 06:56:29,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:29,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:56:29,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:29,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:56:29,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:56:29,719 INFO L87 Difference]: Start difference. First operand has 102 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 85 states have internal predecessors, (119), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 06:56:29,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:29,743 INFO L93 Difference]: Finished difference Result 193 states and 301 transitions. [2024-12-02 06:56:29,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:56:29,745 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2024-12-02 06:56:29,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:29,751 INFO L225 Difference]: With dead ends: 193 [2024-12-02 06:56:29,751 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 06:56:29,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:56:29,757 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:29,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:56:29,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 06:56:29,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-12-02 06:56:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 77 states have internal predecessors, (103), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 133 transitions. [2024-12-02 06:56:29,788 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 133 transitions. Word has length 119 [2024-12-02 06:56:29,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:29,788 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 133 transitions. [2024-12-02 06:56:29,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 06:56:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2024-12-02 06:56:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 06:56:29,790 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:29,791 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:29,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:56:29,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:56:29,991 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:29,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:29,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1855925138, now seen corresponding path program 1 times [2024-12-02 06:56:29,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:29,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146785768] [2024-12-02 06:56:29,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:29,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:30,293 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:30,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:30,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146785768] [2024-12-02 06:56:30,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146785768] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:30,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:30,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:56:30,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234154766] [2024-12-02 06:56:30,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:30,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:56:30,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:30,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:56:30,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:30,296 INFO L87 Difference]: Start difference. First operand 94 states and 133 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:30,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:30,318 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2024-12-02 06:56:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:56:30,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2024-12-02 06:56:30,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:30,320 INFO L225 Difference]: With dead ends: 185 [2024-12-02 06:56:30,320 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 06:56:30,321 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 06:56:30,321 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:30,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 259 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:56:30,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 06:56:30,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-12-02 06:56:30,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 77 states have (on average 1.3246753246753247) internal successors, (102), 77 states have internal predecessors, (102), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:30,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2024-12-02 06:56:30,330 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 119 [2024-12-02 06:56:30,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:30,331 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2024-12-02 06:56:30,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2024-12-02 06:56:30,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 06:56:30,333 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:30,333 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:30,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:56:30,334 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:30,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:30,334 INFO L85 PathProgramCache]: Analyzing trace with hash 366268046, now seen corresponding path program 1 times [2024-12-02 06:56:30,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:30,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286924244] [2024-12-02 06:56:30,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:30,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:31,965 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:31,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:31,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286924244] [2024-12-02 06:56:31,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286924244] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:31,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:31,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:56:31,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255668528] [2024-12-02 06:56:31,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:31,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:56:31,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:31,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:56:31,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:56:31,967 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 06:56:32,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:32,414 INFO L93 Difference]: Finished difference Result 235 states and 331 transitions. [2024-12-02 06:56:32,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:56:32,414 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 120 [2024-12-02 06:56:32,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:32,416 INFO L225 Difference]: With dead ends: 235 [2024-12-02 06:56:32,416 INFO L226 Difference]: Without dead ends: 144 [2024-12-02 06:56:32,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:56:32,417 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 216 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:32,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 575 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:56:32,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-12-02 06:56:32,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 113. [2024-12-02 06:56:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 96 states have (on average 1.34375) internal successors, (129), 96 states have internal predecessors, (129), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:32,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 159 transitions. [2024-12-02 06:56:32,435 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 159 transitions. Word has length 120 [2024-12-02 06:56:32,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:32,435 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 159 transitions. [2024-12-02 06:56:32,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 06:56:32,436 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 159 transitions. [2024-12-02 06:56:32,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 06:56:32,438 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:32,438 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:32,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:56:32,438 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:32,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:32,439 INFO L85 PathProgramCache]: Analyzing trace with hash -56433780, now seen corresponding path program 1 times [2024-12-02 06:56:32,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:32,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042901483] [2024-12-02 06:56:32,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:32,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:32,561 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:32,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:32,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042901483] [2024-12-02 06:56:32,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042901483] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:32,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:32,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:56:32,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861063539] [2024-12-02 06:56:32,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:32,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:56:32,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:32,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:56:32,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:32,563 INFO L87 Difference]: Start difference. First operand 113 states and 159 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:32,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:32,583 INFO L93 Difference]: Finished difference Result 204 states and 287 transitions. [2024-12-02 06:56:32,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:56:32,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 120 [2024-12-02 06:56:32,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:32,585 INFO L225 Difference]: With dead ends: 204 [2024-12-02 06:56:32,585 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 06:56:32,586 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 06:56:32,586 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:32,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:56:32,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 06:56:32,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-12-02 06:56:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 77 states have (on average 1.2987012987012987) internal successors, (100), 77 states have internal predecessors, (100), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 130 transitions. [2024-12-02 06:56:32,598 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 130 transitions. Word has length 120 [2024-12-02 06:56:32,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:32,599 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 130 transitions. [2024-12-02 06:56:32,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2024-12-02 06:56:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 06:56:32,601 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:32,601 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:32,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:56:32,601 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:32,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:32,602 INFO L85 PathProgramCache]: Analyzing trace with hash -149535335, now seen corresponding path program 1 times [2024-12-02 06:56:32,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:32,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137912983] [2024-12-02 06:56:32,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:32,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:32,806 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-02 06:56:32,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:32,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137912983] [2024-12-02 06:56:32,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137912983] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:56:32,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328626022] [2024-12-02 06:56:32,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:32,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:56:32,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:56:32,811 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:56:32,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 06:56:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:33,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 06:56:33,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:56:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:33,042 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:56:33,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328626022] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:33,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:56:33,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 06:56:33,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533706540] [2024-12-02 06:56:33,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:33,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:56:33,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:33,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:56:33,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:56:33,044 INFO L87 Difference]: Start difference. First operand 94 states and 130 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:33,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:33,082 INFO L93 Difference]: Finished difference Result 188 states and 261 transitions. [2024-12-02 06:56:33,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:56:33,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2024-12-02 06:56:33,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:33,084 INFO L225 Difference]: With dead ends: 188 [2024-12-02 06:56:33,084 INFO L226 Difference]: Without dead ends: 97 [2024-12-02 06:56:33,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:56:33,085 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:33,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 492 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:56:33,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-12-02 06:56:33,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-12-02 06:56:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 80 states have (on average 1.2875) internal successors, (103), 80 states have internal predecessors, (103), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:33,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 133 transitions. [2024-12-02 06:56:33,099 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 133 transitions. Word has length 122 [2024-12-02 06:56:33,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:33,099 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 133 transitions. [2024-12-02 06:56:33,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:33,100 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 133 transitions. [2024-12-02 06:56:33,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 06:56:33,101 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:33,101 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:33,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 06:56:33,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:56:33,302 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:33,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:33,302 INFO L85 PathProgramCache]: Analyzing trace with hash 223923335, now seen corresponding path program 1 times [2024-12-02 06:56:33,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:33,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098257113] [2024-12-02 06:56:33,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:33,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:33,520 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-02 06:56:33,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:33,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098257113] [2024-12-02 06:56:33,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098257113] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:56:33,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118347085] [2024-12-02 06:56:33,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:33,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:56:33,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:56:33,522 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:56:33,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 06:56:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:33,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 06:56:33,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:56:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:33,764 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:56:33,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118347085] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:33,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:56:33,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-12-02 06:56:33,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124681008] [2024-12-02 06:56:33,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:33,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:56:33,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:33,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:56:33,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:56:33,766 INFO L87 Difference]: Start difference. First operand 97 states and 133 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:33,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:33,807 INFO L93 Difference]: Finished difference Result 195 states and 268 transitions. [2024-12-02 06:56:33,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:56:33,809 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2024-12-02 06:56:33,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:33,810 INFO L225 Difference]: With dead ends: 195 [2024-12-02 06:56:33,810 INFO L226 Difference]: Without dead ends: 101 [2024-12-02 06:56:33,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:56:33,812 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:33,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 610 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:56:33,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-12-02 06:56:33,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2024-12-02 06:56:33,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 81 states have (on average 1.2839506172839505) internal successors, (104), 81 states have internal predecessors, (104), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:33,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 134 transitions. [2024-12-02 06:56:33,823 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 134 transitions. Word has length 124 [2024-12-02 06:56:33,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:33,824 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 134 transitions. [2024-12-02 06:56:33,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:33,824 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 134 transitions. [2024-12-02 06:56:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 06:56:33,825 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:33,825 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:33,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 06:56:34,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:56:34,026 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:34,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:34,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1312676578, now seen corresponding path program 1 times [2024-12-02 06:56:34,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:34,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969423288] [2024-12-02 06:56:34,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:34,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:34,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:34,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969423288] [2024-12-02 06:56:34,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969423288] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:34,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:34,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:56:34,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908522366] [2024-12-02 06:56:34,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:34,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:56:34,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:34,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:56:34,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:56:34,440 INFO L87 Difference]: Start difference. First operand 98 states and 134 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 06:56:34,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:34,707 INFO L93 Difference]: Finished difference Result 232 states and 317 transitions. [2024-12-02 06:56:34,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:56:34,707 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 126 [2024-12-02 06:56:34,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:34,709 INFO L225 Difference]: With dead ends: 232 [2024-12-02 06:56:34,709 INFO L226 Difference]: Without dead ends: 137 [2024-12-02 06:56:34,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:56:34,710 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 374 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:34,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 352 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:56:34,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-12-02 06:56:34,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2024-12-02 06:56:34,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 93 states have internal predecessors, (121), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 151 transitions. [2024-12-02 06:56:34,722 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 151 transitions. Word has length 126 [2024-12-02 06:56:34,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:34,722 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 151 transitions. [2024-12-02 06:56:34,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 06:56:34,722 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2024-12-02 06:56:34,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 06:56:34,723 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:34,723 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:34,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:56:34,723 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:34,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:34,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1518798784, now seen corresponding path program 1 times [2024-12-02 06:56:34,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:34,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367865843] [2024-12-02 06:56:34,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:34,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:34,835 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:34,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:34,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367865843] [2024-12-02 06:56:34,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367865843] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:34,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:34,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:56:34,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226753762] [2024-12-02 06:56:34,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:34,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:56:34,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:34,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:56:34,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:56:34,837 INFO L87 Difference]: Start difference. First operand 110 states and 151 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:34,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:34,882 INFO L93 Difference]: Finished difference Result 217 states and 299 transitions. [2024-12-02 06:56:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:56:34,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 126 [2024-12-02 06:56:34,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:34,884 INFO L225 Difference]: With dead ends: 217 [2024-12-02 06:56:34,884 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 06:56:34,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 06:56:34,884 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:34,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:56:34,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 06:56:34,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-12-02 06:56:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 93 states have (on average 1.2795698924731183) internal successors, (119), 93 states have internal predecessors, (119), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:34,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 149 transitions. [2024-12-02 06:56:34,891 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 149 transitions. Word has length 126 [2024-12-02 06:56:34,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:34,891 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 149 transitions. [2024-12-02 06:56:34,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:34,892 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 149 transitions. [2024-12-02 06:56:34,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 06:56:34,893 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:34,893 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:34,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:56:34,893 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:34,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:34,894 INFO L85 PathProgramCache]: Analyzing trace with hash 334645117, now seen corresponding path program 1 times [2024-12-02 06:56:34,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:34,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724445520] [2024-12-02 06:56:34,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:34,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:35,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:35,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724445520] [2024-12-02 06:56:35,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724445520] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:35,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:35,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:56:35,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397409973] [2024-12-02 06:56:35,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:35,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:56:35,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:35,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:56:35,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:56:35,048 INFO L87 Difference]: Start difference. First operand 110 states and 149 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:35,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:35,143 INFO L93 Difference]: Finished difference Result 219 states and 297 transitions. [2024-12-02 06:56:35,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:56:35,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 128 [2024-12-02 06:56:35,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:35,145 INFO L225 Difference]: With dead ends: 219 [2024-12-02 06:56:35,145 INFO L226 Difference]: Without dead ends: 112 [2024-12-02 06:56:35,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:56:35,146 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 11 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:35,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 452 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:56:35,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-12-02 06:56:35,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2024-12-02 06:56:35,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 93 states have (on average 1.2688172043010753) internal successors, (118), 93 states have internal predecessors, (118), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:35,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 148 transitions. [2024-12-02 06:56:35,154 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 148 transitions. Word has length 128 [2024-12-02 06:56:35,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:35,154 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 148 transitions. [2024-12-02 06:56:35,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 148 transitions. [2024-12-02 06:56:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 06:56:35,155 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:35,156 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:35,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:56:35,156 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:35,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:35,156 INFO L85 PathProgramCache]: Analyzing trace with hash 941774894, now seen corresponding path program 1 times [2024-12-02 06:56:35,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:35,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521820595] [2024-12-02 06:56:35,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:35,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:35,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:35,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521820595] [2024-12-02 06:56:35,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521820595] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:35,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:35,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 06:56:35,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438937847] [2024-12-02 06:56:35,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:35,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 06:56:35,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:35,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 06:56:35,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:56:35,990 INFO L87 Difference]: Start difference. First operand 110 states and 148 transitions. Second operand has 11 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 06:56:36,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:36,534 INFO L93 Difference]: Finished difference Result 302 states and 405 transitions. [2024-12-02 06:56:36,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 06:56:36,534 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 128 [2024-12-02 06:56:36,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:36,536 INFO L225 Difference]: With dead ends: 302 [2024-12-02 06:56:36,536 INFO L226 Difference]: Without dead ends: 195 [2024-12-02 06:56:36,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-12-02 06:56:36,537 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 356 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:36,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 870 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:56:36,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-12-02 06:56:36,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 192. [2024-12-02 06:56:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 169 states have (on average 1.2840236686390532) internal successors, (217), 170 states have internal predecessors, (217), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 06:56:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 257 transitions. [2024-12-02 06:56:36,549 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 257 transitions. Word has length 128 [2024-12-02 06:56:36,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:36,550 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 257 transitions. [2024-12-02 06:56:36,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 06:56:36,550 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 257 transitions. [2024-12-02 06:56:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 06:56:36,551 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:36,551 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:36,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:56:36,551 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:36,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:36,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1591809198, now seen corresponding path program 1 times [2024-12-02 06:56:36,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:36,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760592657] [2024-12-02 06:56:36,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:36,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:36,774 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:36,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:36,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760592657] [2024-12-02 06:56:36,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760592657] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:36,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:36,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:56:36,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752702016] [2024-12-02 06:56:36,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:36,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:56:36,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:36,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:56:36,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:56:36,775 INFO L87 Difference]: Start difference. First operand 192 states and 257 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:37,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:37,000 INFO L93 Difference]: Finished difference Result 388 states and 516 transitions. [2024-12-02 06:56:37,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:56:37,001 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 129 [2024-12-02 06:56:37,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:37,003 INFO L225 Difference]: With dead ends: 388 [2024-12-02 06:56:37,003 INFO L226 Difference]: Without dead ends: 199 [2024-12-02 06:56:37,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:56:37,004 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 183 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:37,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 622 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:56:37,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-12-02 06:56:37,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 159. [2024-12-02 06:56:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 141 states have (on average 1.2624113475177305) internal successors, (178), 141 states have internal predecessors, (178), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 208 transitions. [2024-12-02 06:56:37,016 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 208 transitions. Word has length 129 [2024-12-02 06:56:37,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:37,017 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 208 transitions. [2024-12-02 06:56:37,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:37,017 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 208 transitions. [2024-12-02 06:56:37,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 06:56:37,018 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:37,018 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:37,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:56:37,018 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:37,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:37,019 INFO L85 PathProgramCache]: Analyzing trace with hash 612424055, now seen corresponding path program 1 times [2024-12-02 06:56:37,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:37,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637414305] [2024-12-02 06:56:37,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:37,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:37,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:37,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637414305] [2024-12-02 06:56:37,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637414305] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:37,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:37,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:56:37,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80876690] [2024-12-02 06:56:37,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:37,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:56:37,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:37,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:56:37,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:37,065 INFO L87 Difference]: Start difference. First operand 159 states and 208 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:37,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:37,084 INFO L93 Difference]: Finished difference Result 319 states and 421 transitions. [2024-12-02 06:56:37,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:56:37,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 130 [2024-12-02 06:56:37,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:37,086 INFO L225 Difference]: With dead ends: 319 [2024-12-02 06:56:37,086 INFO L226 Difference]: Without dead ends: 163 [2024-12-02 06:56:37,086 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 06:56:37,087 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 250 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 06:56:37,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 250 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:56:37,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-12-02 06:56:37,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-12-02 06:56:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 145 states have (on average 1.2551724137931035) internal successors, (182), 145 states have internal predecessors, (182), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:37,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 212 transitions. [2024-12-02 06:56:37,099 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 212 transitions. Word has length 130 [2024-12-02 06:56:37,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:37,100 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 212 transitions. [2024-12-02 06:56:37,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 212 transitions. [2024-12-02 06:56:37,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 06:56:37,101 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:37,101 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:37,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 06:56:37,101 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:37,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:37,102 INFO L85 PathProgramCache]: Analyzing trace with hash -205224395, now seen corresponding path program 1 times [2024-12-02 06:56:37,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:37,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122696461] [2024-12-02 06:56:37,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:37,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:37,383 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:37,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:37,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122696461] [2024-12-02 06:56:37,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122696461] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:37,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:37,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 06:56:37,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031336342] [2024-12-02 06:56:37,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:37,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:56:37,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:37,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:56:37,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:56:37,385 INFO L87 Difference]: Start difference. First operand 163 states and 212 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:37,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:37,667 INFO L93 Difference]: Finished difference Result 372 states and 477 transitions. [2024-12-02 06:56:37,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:56:37,668 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 130 [2024-12-02 06:56:37,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:37,669 INFO L225 Difference]: With dead ends: 372 [2024-12-02 06:56:37,669 INFO L226 Difference]: Without dead ends: 212 [2024-12-02 06:56:37,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:56:37,671 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 153 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:37,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 543 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:56:37,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-12-02 06:56:37,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 161. [2024-12-02 06:56:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 143 states have (on average 1.2447552447552448) internal successors, (178), 143 states have internal predecessors, (178), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 208 transitions. [2024-12-02 06:56:37,684 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 208 transitions. Word has length 130 [2024-12-02 06:56:37,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:37,684 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 208 transitions. [2024-12-02 06:56:37,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:37,684 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 208 transitions. [2024-12-02 06:56:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 06:56:37,686 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:37,686 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:37,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 06:56:37,686 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:37,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:37,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1337690733, now seen corresponding path program 1 times [2024-12-02 06:56:37,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:37,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815281241] [2024-12-02 06:56:37,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:37,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:38,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:38,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815281241] [2024-12-02 06:56:38,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815281241] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:38,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:38,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 06:56:38,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71313700] [2024-12-02 06:56:38,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:38,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 06:56:38,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:38,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 06:56:38,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:56:38,054 INFO L87 Difference]: Start difference. First operand 161 states and 208 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:38,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:38,280 INFO L93 Difference]: Finished difference Result 216 states and 270 transitions. [2024-12-02 06:56:38,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:56:38,280 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 130 [2024-12-02 06:56:38,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:38,282 INFO L225 Difference]: With dead ends: 216 [2024-12-02 06:56:38,283 INFO L226 Difference]: Without dead ends: 214 [2024-12-02 06:56:38,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:56:38,283 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 152 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:38,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 620 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:56:38,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-12-02 06:56:38,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 200. [2024-12-02 06:56:38,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 182 states have (on average 1.2142857142857142) internal successors, (221), 182 states have internal predecessors, (221), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 251 transitions. [2024-12-02 06:56:38,304 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 251 transitions. Word has length 130 [2024-12-02 06:56:38,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:38,304 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 251 transitions. [2024-12-02 06:56:38,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 251 transitions. [2024-12-02 06:56:38,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 06:56:38,306 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:38,306 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:38,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 06:56:38,306 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:38,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:38,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1106949644, now seen corresponding path program 1 times [2024-12-02 06:56:38,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:38,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375417975] [2024-12-02 06:56:38,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:38,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:38,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:38,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375417975] [2024-12-02 06:56:38,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375417975] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:38,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:38,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:56:38,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613716022] [2024-12-02 06:56:38,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:38,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:56:38,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:38,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:56:38,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:56:38,500 INFO L87 Difference]: Start difference. First operand 200 states and 251 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:38,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:38,697 INFO L93 Difference]: Finished difference Result 438 states and 553 transitions. [2024-12-02 06:56:38,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 06:56:38,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 130 [2024-12-02 06:56:38,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:38,700 INFO L225 Difference]: With dead ends: 438 [2024-12-02 06:56:38,700 INFO L226 Difference]: Without dead ends: 241 [2024-12-02 06:56:38,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 06:56:38,701 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 197 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:38,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 471 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:56:38,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-12-02 06:56:38,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 200. [2024-12-02 06:56:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 182 states have (on average 1.2032967032967032) internal successors, (219), 182 states have internal predecessors, (219), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:38,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 249 transitions. [2024-12-02 06:56:38,717 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 249 transitions. Word has length 130 [2024-12-02 06:56:38,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:38,718 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 249 transitions. [2024-12-02 06:56:38,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:38,718 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 249 transitions. [2024-12-02 06:56:38,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 06:56:38,719 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:38,719 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:38,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:56:38,719 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:38,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:38,720 INFO L85 PathProgramCache]: Analyzing trace with hash -634805224, now seen corresponding path program 1 times [2024-12-02 06:56:38,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:38,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109624598] [2024-12-02 06:56:38,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:38,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:39,041 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:39,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:39,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109624598] [2024-12-02 06:56:39,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109624598] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:39,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:39,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 06:56:39,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000054247] [2024-12-02 06:56:39,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:39,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 06:56:39,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:39,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 06:56:39,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 06:56:39,043 INFO L87 Difference]: Start difference. First operand 200 states and 249 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 06:56:39,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:39,410 INFO L93 Difference]: Finished difference Result 514 states and 642 transitions. [2024-12-02 06:56:39,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:56:39,410 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 131 [2024-12-02 06:56:39,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:39,412 INFO L225 Difference]: With dead ends: 514 [2024-12-02 06:56:39,412 INFO L226 Difference]: Without dead ends: 317 [2024-12-02 06:56:39,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:56:39,413 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 167 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:39,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1169 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:56:39,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-12-02 06:56:39,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 258. [2024-12-02 06:56:39,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 240 states have (on average 1.2083333333333333) internal successors, (290), 240 states have internal predecessors, (290), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 320 transitions. [2024-12-02 06:56:39,437 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 320 transitions. Word has length 131 [2024-12-02 06:56:39,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:39,437 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 320 transitions. [2024-12-02 06:56:39,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 06:56:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 320 transitions. [2024-12-02 06:56:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 06:56:39,439 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:39,439 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:39,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 06:56:39,440 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:39,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:39,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1144278314, now seen corresponding path program 1 times [2024-12-02 06:56:39,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:39,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427663458] [2024-12-02 06:56:39,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:39,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:39,648 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:39,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:39,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427663458] [2024-12-02 06:56:39,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427663458] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:39,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:39,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:56:39,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866537397] [2024-12-02 06:56:39,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:39,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:56:39,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:39,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:56:39,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:56:39,650 INFO L87 Difference]: Start difference. First operand 258 states and 320 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:39,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:39,753 INFO L93 Difference]: Finished difference Result 536 states and 665 transitions. [2024-12-02 06:56:39,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:56:39,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 131 [2024-12-02 06:56:39,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:39,755 INFO L225 Difference]: With dead ends: 536 [2024-12-02 06:56:39,756 INFO L226 Difference]: Without dead ends: 281 [2024-12-02 06:56:39,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:56:39,757 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 26 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:39,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 443 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:56:39,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-12-02 06:56:39,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 226. [2024-12-02 06:56:39,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 208 states have (on average 1.2067307692307692) internal successors, (251), 208 states have internal predecessors, (251), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-12-02 06:56:39,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 281 transitions. [2024-12-02 06:56:39,778 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 281 transitions. Word has length 131 [2024-12-02 06:56:39,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:39,778 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 281 transitions. [2024-12-02 06:56:39,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 281 transitions. [2024-12-02 06:56:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 06:56:39,780 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:39,780 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:39,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 06:56:39,780 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:39,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:39,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1815747794, now seen corresponding path program 1 times [2024-12-02 06:56:39,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:39,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207361655] [2024-12-02 06:56:39,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:39,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:40,361 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-02 06:56:40,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:40,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207361655] [2024-12-02 06:56:40,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207361655] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:56:40,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158647510] [2024-12-02 06:56:40,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:40,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:56:40,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:56:40,363 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:56:40,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 06:56:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:40,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 06:56:40,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:56:40,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 06:56:41,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 06:56:41,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-12-02 06:56:41,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 06:56:41,851 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 06:56:41,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-12-02 06:56:41,877 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 11 proven. 177 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-12-02 06:56:41,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:56:42,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2024-12-02 06:56:42,275 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-02 06:56:42,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158647510] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 06:56:42,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 06:56:42,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 25 [2024-12-02 06:56:42,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868576356] [2024-12-02 06:56:42,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 06:56:42,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 06:56:42,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:42,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 06:56:42,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2024-12-02 06:56:42,277 INFO L87 Difference]: Start difference. First operand 226 states and 281 transitions. Second operand has 25 states, 22 states have (on average 6.818181818181818) internal successors, (150), 24 states have internal predecessors, (150), 11 states have call successors, (45), 4 states have call predecessors, (45), 6 states have return successors, (45), 8 states have call predecessors, (45), 11 states have call successors, (45) [2024-12-02 06:56:43,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:43,813 INFO L93 Difference]: Finished difference Result 494 states and 602 transitions. [2024-12-02 06:56:43,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-02 06:56:43,814 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 6.818181818181818) internal successors, (150), 24 states have internal predecessors, (150), 11 states have call successors, (45), 4 states have call predecessors, (45), 6 states have return successors, (45), 8 states have call predecessors, (45), 11 states have call successors, (45) Word has length 132 [2024-12-02 06:56:43,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:43,816 INFO L225 Difference]: With dead ends: 494 [2024-12-02 06:56:43,816 INFO L226 Difference]: Without dead ends: 271 [2024-12-02 06:56:43,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=585, Invalid=1857, Unknown=8, NotChecked=0, Total=2450 [2024-12-02 06:56:43,818 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 543 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 185 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:43,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 925 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 967 Invalid, 2 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 06:56:43,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-12-02 06:56:43,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 230. [2024-12-02 06:56:43,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 201 states have (on average 1.1243781094527363) internal successors, (226), 203 states have internal predecessors, (226), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 06:56:43,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 270 transitions. [2024-12-02 06:56:43,842 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 270 transitions. Word has length 132 [2024-12-02 06:56:43,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:43,842 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 270 transitions. [2024-12-02 06:56:43,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 6.818181818181818) internal successors, (150), 24 states have internal predecessors, (150), 11 states have call successors, (45), 4 states have call predecessors, (45), 6 states have return successors, (45), 8 states have call predecessors, (45), 11 states have call successors, (45) [2024-12-02 06:56:43,842 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 270 transitions. [2024-12-02 06:56:43,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 06:56:43,843 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:43,843 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:43,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 06:56:44,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 06:56:44,044 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:44,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:44,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1175063797, now seen corresponding path program 1 times [2024-12-02 06:56:44,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:44,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852807401] [2024-12-02 06:56:44,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:44,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:44,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:44,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852807401] [2024-12-02 06:56:44,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852807401] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:44,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:44,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:56:44,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576749319] [2024-12-02 06:56:44,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:44,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:56:44,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:44,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:56:44,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:56:44,209 INFO L87 Difference]: Start difference. First operand 230 states and 270 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:44,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:44,278 INFO L93 Difference]: Finished difference Result 342 states and 405 transitions. [2024-12-02 06:56:44,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:56:44,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 132 [2024-12-02 06:56:44,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:44,280 INFO L225 Difference]: With dead ends: 342 [2024-12-02 06:56:44,280 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 06:56:44,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:56:44,281 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:44,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 390 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:56:44,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 06:56:44,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 06:56:44,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.101010101010101) internal successors, (109), 100 states have internal predecessors, (109), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 06:56:44,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 143 transitions. [2024-12-02 06:56:44,306 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 143 transitions. Word has length 132 [2024-12-02 06:56:44,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:44,307 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 143 transitions. [2024-12-02 06:56:44,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:44,307 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 143 transitions. [2024-12-02 06:56:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 06:56:44,308 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:44,308 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:44,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 06:56:44,308 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:44,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:44,308 INFO L85 PathProgramCache]: Analyzing trace with hash 147268974, now seen corresponding path program 1 times [2024-12-02 06:56:44,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:44,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718310549] [2024-12-02 06:56:44,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:44,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:44,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:44,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718310549] [2024-12-02 06:56:44,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718310549] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:44,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:44,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:56:44,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900786141] [2024-12-02 06:56:44,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:44,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:56:44,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:44,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:56:44,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:44,366 INFO L87 Difference]: Start difference. First operand 120 states and 143 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:44,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:44,392 INFO L93 Difference]: Finished difference Result 233 states and 278 transitions. [2024-12-02 06:56:44,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:56:44,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 133 [2024-12-02 06:56:44,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:44,394 INFO L225 Difference]: With dead ends: 233 [2024-12-02 06:56:44,394 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 06:56:44,395 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 06:56:44,395 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:44,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 211 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:56:44,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 06:56:44,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-12-02 06:56:44,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 100 states have (on average 1.1) internal successors, (110), 101 states have internal predecessors, (110), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 06:56:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 144 transitions. [2024-12-02 06:56:44,419 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 144 transitions. Word has length 133 [2024-12-02 06:56:44,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:44,419 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 144 transitions. [2024-12-02 06:56:44,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:44,419 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 144 transitions. [2024-12-02 06:56:44,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 06:56:44,420 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:44,420 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:44,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 06:56:44,420 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:56:44,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:44,421 INFO L85 PathProgramCache]: Analyzing trace with hash -662077652, now seen corresponding path program 1 times [2024-12-02 06:56:44,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:44,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868864371] [2024-12-02 06:56:44,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:44,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 06:56:44,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:44,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868864371] [2024-12-02 06:56:44,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868864371] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:44,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:44,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:56:44,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031351563] [2024-12-02 06:56:44,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:44,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:56:44,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:44,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:56:44,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:56:44,633 INFO L87 Difference]: Start difference. First operand 121 states and 144 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:44,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:44,687 INFO L93 Difference]: Finished difference Result 222 states and 263 transitions. [2024-12-02 06:56:44,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:56:44,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 133 [2024-12-02 06:56:44,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:44,689 INFO L225 Difference]: With dead ends: 222 [2024-12-02 06:56:44,689 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 06:56:44,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:56:44,690 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 22 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:44,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 255 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:56:44,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 06:56:44,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 06:56:44,691 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 06:56:44,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 06:56:44,691 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 133 [2024-12-02 06:56:44,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:44,691 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:56:44,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-12-02 06:56:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 06:56:44,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 06:56:44,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:56:44,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 06:56:44,697 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:56:44,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 06:56:52,778 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:56:52,787 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0!base [2024-12-02 06:56:52,788 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base [2024-12-02 06:56:52,789 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!base [2024-12-02 06:56:52,789 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base [2024-12-02 06:56:52,789 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 06:56:52,789 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 06:56:52,790 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,791 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0!base [2024-12-02 06:56:52,791 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base [2024-12-02 06:56:52,791 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,791 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0!offset [2024-12-02 06:56:52,791 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0!offset [2024-12-02 06:56:52,791 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset [2024-12-02 06:56:52,791 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset [2024-12-02 06:56:52,791 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,791 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset [2024-12-02 06:56:52,791 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,791 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!offset [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!offset [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!base [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!offset [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,792 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base [2024-12-02 06:56:52,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!offset [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!base [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,794 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!offset [2024-12-02 06:56:52,795 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,795 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base [2024-12-02 06:56:52,795 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base [2024-12-02 06:56:52,795 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base [2024-12-02 06:56:52,795 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base [2024-12-02 06:56:52,795 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!offset [2024-12-02 06:56:52,795 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset [2024-12-02 06:56:52,795 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!offset [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!base [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!base [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!offset [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0!base [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!base [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0!base [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base [2024-12-02 06:56:52,796 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0!offset [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0!offset [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!offset [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!offset [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!base [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!offset [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,797 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,798 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,798 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,798 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,798 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,798 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,798 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,799 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base [2024-12-02 06:56:52,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base [2024-12-02 06:56:52,800 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base [2024-12-02 06:56:52,801 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base [2024-12-02 06:56:52,801 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!offset [2024-12-02 06:56:52,801 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset [2024-12-02 06:56:52,801 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,801 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!base [2024-12-02 06:56:52,801 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base [2024-12-02 06:56:52,801 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#3 [2024-12-02 06:56:52,801 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] [2024-12-02 06:56:52,802 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,802 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-12-02 06:56:52,802 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-12-02 06:56:52,802 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,802 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,802 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!offset [2024-12-02 06:56:52,802 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,802 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base [2024-12-02 06:56:52,802 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base [2024-12-02 06:56:52,802 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!offset [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!offset [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!base [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!base [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 06:56:52,803 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] [2024-12-02 06:56:52,804 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset [2024-12-02 06:56:52,804 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!offset [2024-12-02 06:56:52,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:56:52 BoogieIcfgContainer [2024-12-02 06:56:52,804 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:56:52,805 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:56:52,805 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:56:52,805 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:56:52,806 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:56:29" (3/4) ... [2024-12-02 06:56:52,808 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 06:56:52,814 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 06:56:52,821 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 06:56:52,822 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 06:56:52,823 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 06:56:52,823 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 06:56:52,938 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:56:52,938 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 06:56:52,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:56:52,939 INFO L158 Benchmark]: Toolchain (without parser) took 24786.55ms. Allocated memory was 142.6MB in the beginning and 780.1MB in the end (delta: 637.5MB). Free memory was 119.3MB in the beginning and 405.8MB in the end (delta: -286.5MB). Peak memory consumption was 344.6MB. Max. memory is 16.1GB. [2024-12-02 06:56:52,939 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:56:52,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.02ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 104.3MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:56:52,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.71ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 101.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:56:52,940 INFO L158 Benchmark]: Boogie Preprocessor took 59.53ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 97.4MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:56:52,940 INFO L158 Benchmark]: RCFGBuilder took 562.03ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 67.0MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 06:56:52,940 INFO L158 Benchmark]: TraceAbstraction took 23712.94ms. Allocated memory was 142.6MB in the beginning and 780.1MB in the end (delta: 637.5MB). Free memory was 66.5MB in the beginning and 414.2MB in the end (delta: -347.7MB). Peak memory consumption was 417.6MB. Max. memory is 16.1GB. [2024-12-02 06:56:52,941 INFO L158 Benchmark]: Witness Printer took 133.88ms. Allocated memory is still 780.1MB. Free memory was 414.2MB in the beginning and 405.8MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:56:52,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.02ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 104.3MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.71ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 101.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.53ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 97.4MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 562.03ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 67.0MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 23712.94ms. Allocated memory was 142.6MB in the beginning and 780.1MB in the end (delta: 637.5MB). Free memory was 66.5MB in the beginning and 414.2MB in the end (delta: -347.7MB). Peak memory consumption was 417.6MB. Max. memory is 16.1GB. * Witness Printer took 133.88ms. Allocated memory is still 780.1MB. Free memory was 414.2MB in the beginning and 405.8MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#double_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#3,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#3,GLOBAL],[IdentifierExpression[~signed_char_Array_0_arraysigned_char_Array_0Var2_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#signed_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var3_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var2_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#BOOL_unsigned_char_Array_0~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var3_Pointer~0!offset * 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: 19]: 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 2 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.5s, OverallIterations: 21, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 2401 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2401 mSDsluCounter, 10255 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7515 mSDsCounter, 274 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2953 IncrementalHoareTripleChecker+Invalid, 3229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 274 mSolverCounterUnsat, 2740 mSDtfsCounter, 2953 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 837 GetRequests, 664 SyntacticMatches, 2 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=16, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 21 MinimizatonAttempts, 367 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 3170 NumberOfCodeBlocks, 3170 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3276 ConstructedInterpolants, 7 QuantifiedInterpolants, 12344 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1888 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 10577/10920 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 RESULT: Ultimate proved your program to be correct! [2024-12-02 06:56:52,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f562375-8e8b-4fd7-b54d-d0ae2961fc23/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