./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.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_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/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_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/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_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/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 afbfde6aa2480906168f8fc09afcb93a075af3ef82129d862406738e329cbc94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:41:30,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:41:30,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:41:30,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:41:30,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:41:30,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:41:30,686 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:41:30,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:41:30,686 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:41:30,686 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:41:30,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:41:30,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:41:30,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:41:30,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:41:30,687 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:41:30,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:41:30,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:41:30,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:41:30,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:41:30,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:41:30,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:41:30,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:41:30,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:41:30,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:41:30,688 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:41:30,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:41:30,688 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:41:30,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:41:30,689 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:41:30,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:41:30,689 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:41:30,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:41:30,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:30,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:41:30,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:41:30,689 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:41:30,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:41:30,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:30,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:41:30,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:41:30,690 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:41:30,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:41:30,690 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:41:30,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:41:30,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:41:30,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:41:30,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:41:30,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:41:30,691 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_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/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 -> afbfde6aa2480906168f8fc09afcb93a075af3ef82129d862406738e329cbc94 [2024-12-02 10:41:30,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:41:30,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:41:30,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:41:30,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:41:30,907 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:41:30,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i [2024-12-02 10:41:33,777 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/data/bc8cceed2/b9b77056491a44108c79d477ccedd37f/FLAG3f468732d [2024-12-02 10:41:33,979 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:41:33,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i [2024-12-02 10:41:33,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/data/bc8cceed2/b9b77056491a44108c79d477ccedd37f/FLAG3f468732d [2024-12-02 10:41:34,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/data/bc8cceed2/b9b77056491a44108c79d477ccedd37f [2024-12-02 10:41:34,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:41:34,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:41:34,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:41:34,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:41:34,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:41:34,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2a80b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34, skipping insertion in model container [2024-12-02 10:41:34,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:41:34,182 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_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i[919,932] [2024-12-02 10:41:34,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:41:34,264 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:41:34,275 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_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i[919,932] [2024-12-02 10:41:34,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:41:34,326 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:41:34,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34 WrapperNode [2024-12-02 10:41:34,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:41:34,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:41:34,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:41:34,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:41:34,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,385 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 245 [2024-12-02 10:41:34,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:41:34,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:41:34,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:41:34,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:41:34,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,400 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,421 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 10:41:34,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,432 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:41:34,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:41:34,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:41:34,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:41:34,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (1/1) ... [2024-12-02 10:41:34,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:34,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:41:34,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:41:34,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:41:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:41:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:41:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:41:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:41:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:41:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:41:34,587 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:41:34,589 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:41:34,963 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-02 10:41:34,963 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:41:34,973 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:41:34,973 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:41:34,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:34 BoogieIcfgContainer [2024-12-02 10:41:34,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:41:34,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:41:34,976 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:41:34,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:41:34,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:41:34" (1/3) ... [2024-12-02 10:41:34,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c2b486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:41:34, skipping insertion in model container [2024-12-02 10:41:34,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:34" (2/3) ... [2024-12-02 10:41:34,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c2b486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:41:34, skipping insertion in model container [2024-12-02 10:41:34,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:34" (3/3) ... [2024-12-02 10:41:34,981 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i [2024-12-02 10:41:34,993 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:41:34,995 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i that has 2 procedures, 99 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:41:35,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:41:35,053 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;@1b2040c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:41:35,053 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:41:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 10:41:35,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 10:41:35,066 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:35,067 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:35,067 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:35,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:35,071 INFO L85 PathProgramCache]: Analyzing trace with hash 393930802, now seen corresponding path program 1 times [2024-12-02 10:41:35,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:35,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490104701] [2024-12-02 10:41:35,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:35,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 10:41:35,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:35,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490104701] [2024-12-02 10:41:35,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490104701] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:41:35,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090185808] [2024-12-02 10:41:35,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:35,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:41:35,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:41:35,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:41:35,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:41:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:35,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:41:35,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:41:35,553 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 10:41:35,554 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:41:35,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090185808] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:35,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:41:35,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 10:41:35,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151576966] [2024-12-02 10:41:35,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:35,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:41:35,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:35,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:41:35,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:41:35,580 INFO L87 Difference]: Start difference. First operand has 99 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 10:41:35,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:35,605 INFO L93 Difference]: Finished difference Result 188 states and 317 transitions. [2024-12-02 10:41:35,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:41:35,607 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 159 [2024-12-02 10:41:35,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:35,613 INFO L225 Difference]: With dead ends: 188 [2024-12-02 10:41:35,614 INFO L226 Difference]: Without dead ends: 92 [2024-12-02 10:41:35,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 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 10:41:35,620 INFO L435 NwaCegarLoop]: 139 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, 139 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 10:41:35,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:41:35,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-12-02 10:41:35,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-12-02 10:41:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 68 states have internal predecessors, (95), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 10:41:35,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 139 transitions. [2024-12-02 10:41:35,658 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 139 transitions. Word has length 159 [2024-12-02 10:41:35,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:35,658 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 139 transitions. [2024-12-02 10:41:35,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 10:41:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 139 transitions. [2024-12-02 10:41:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 10:41:35,661 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:35,661 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:35,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:41:35,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 10:41:35,862 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:35,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:35,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1376425406, now seen corresponding path program 1 times [2024-12-02 10:41:35,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:35,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749550793] [2024-12-02 10:41:35,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:35,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:36,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:36,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749550793] [2024-12-02 10:41:36,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749550793] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:36,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:36,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:36,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322101633] [2024-12-02 10:41:36,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:36,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:36,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:36,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:36,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:36,111 INFO L87 Difference]: Start difference. First operand 92 states and 139 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:36,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:36,177 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2024-12-02 10:41:36,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:41:36,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 159 [2024-12-02 10:41:36,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:36,180 INFO L225 Difference]: With dead ends: 211 [2024-12-02 10:41:36,180 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 10:41:36,181 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 10:41:36,182 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 33 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:36,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 279 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:41:36,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 10:41:36,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 105. [2024-12-02 10:41:36,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 81 states have (on average 1.4074074074074074) internal successors, (114), 81 states have internal predecessors, (114), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 10:41:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 158 transitions. [2024-12-02 10:41:36,195 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 158 transitions. Word has length 159 [2024-12-02 10:41:36,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:36,197 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 158 transitions. [2024-12-02 10:41:36,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:36,197 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2024-12-02 10:41:36,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 10:41:36,200 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:36,200 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:36,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:41:36,201 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:36,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:36,201 INFO L85 PathProgramCache]: Analyzing trace with hash 2088900094, now seen corresponding path program 1 times [2024-12-02 10:41:36,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:36,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974949815] [2024-12-02 10:41:36,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:36,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:36,611 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:36,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:36,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974949815] [2024-12-02 10:41:36,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974949815] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:36,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:36,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:41:36,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019004156] [2024-12-02 10:41:36,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:36,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:41:36,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:36,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:41:36,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:41:36,614 INFO L87 Difference]: Start difference. First operand 105 states and 158 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:36,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:36,878 INFO L93 Difference]: Finished difference Result 291 states and 445 transitions. [2024-12-02 10:41:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:41:36,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 159 [2024-12-02 10:41:36,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:36,881 INFO L225 Difference]: With dead ends: 291 [2024-12-02 10:41:36,881 INFO L226 Difference]: Without dead ends: 189 [2024-12-02 10:41:36,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:41:36,883 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 73 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:36,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 506 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:41:36,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-12-02 10:41:36,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 151. [2024-12-02 10:41:36,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 104 states have (on average 1.3365384615384615) internal successors, (139), 104 states have internal predecessors, (139), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 10:41:36,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 227 transitions. [2024-12-02 10:41:36,910 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 227 transitions. Word has length 159 [2024-12-02 10:41:36,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:36,910 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 227 transitions. [2024-12-02 10:41:36,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 227 transitions. [2024-12-02 10:41:36,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 10:41:36,913 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:36,913 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:36,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:41:36,913 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:36,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:36,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1579427004, now seen corresponding path program 1 times [2024-12-02 10:41:36,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:36,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25492787] [2024-12-02 10:41:36,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:36,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:37,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:37,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25492787] [2024-12-02 10:41:37,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25492787] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:37,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:37,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:41:37,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486584277] [2024-12-02 10:41:37,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:37,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:41:37,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:37,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:41:37,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:41:37,335 INFO L87 Difference]: Start difference. First operand 151 states and 227 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:37,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:37,586 INFO L93 Difference]: Finished difference Result 338 states and 508 transitions. [2024-12-02 10:41:37,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:41:37,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 159 [2024-12-02 10:41:37,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:37,590 INFO L225 Difference]: With dead ends: 338 [2024-12-02 10:41:37,590 INFO L226 Difference]: Without dead ends: 236 [2024-12-02 10:41:37,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:41:37,592 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 173 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:37,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 525 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:41:37,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-12-02 10:41:37,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 218. [2024-12-02 10:41:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 166 states have (on average 1.3795180722891567) internal successors, (229), 167 states have internal predecessors, (229), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 10:41:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 325 transitions. [2024-12-02 10:41:37,618 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 325 transitions. Word has length 159 [2024-12-02 10:41:37,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:37,619 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 325 transitions. [2024-12-02 10:41:37,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:37,619 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 325 transitions. [2024-12-02 10:41:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 10:41:37,621 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:37,621 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:37,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:41:37,621 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:37,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:37,622 INFO L85 PathProgramCache]: Analyzing trace with hash -792312258, now seen corresponding path program 1 times [2024-12-02 10:41:37,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:37,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832135220] [2024-12-02 10:41:37,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:37,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:37,892 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:37,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:37,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832135220] [2024-12-02 10:41:37,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832135220] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:37,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:37,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:41:37,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617108516] [2024-12-02 10:41:37,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:37,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:41:37,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:37,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:41:37,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:41:37,894 INFO L87 Difference]: Start difference. First operand 218 states and 325 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:38,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:38,291 INFO L93 Difference]: Finished difference Result 470 states and 700 transitions. [2024-12-02 10:41:38,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:41:38,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 159 [2024-12-02 10:41:38,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:38,295 INFO L225 Difference]: With dead ends: 470 [2024-12-02 10:41:38,295 INFO L226 Difference]: Without dead ends: 347 [2024-12-02 10:41:38,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 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 10:41:38,296 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 257 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:38,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 415 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:41:38,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-12-02 10:41:38,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 252. [2024-12-02 10:41:38,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 200 states have (on average 1.395) internal successors, (279), 201 states have internal predecessors, (279), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 10:41:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 375 transitions. [2024-12-02 10:41:38,335 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 375 transitions. Word has length 159 [2024-12-02 10:41:38,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:38,336 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 375 transitions. [2024-12-02 10:41:38,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:38,336 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 375 transitions. [2024-12-02 10:41:38,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 10:41:38,338 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:38,338 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:38,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:41:38,338 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:38,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:38,339 INFO L85 PathProgramCache]: Analyzing trace with hash -717133930, now seen corresponding path program 1 times [2024-12-02 10:41:38,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:38,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848318361] [2024-12-02 10:41:38,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:38,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:39,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:39,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848318361] [2024-12-02 10:41:39,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848318361] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:39,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:39,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 10:41:39,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108829733] [2024-12-02 10:41:39,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:39,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:41:39,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:39,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:41:39,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:41:39,093 INFO L87 Difference]: Start difference. First operand 252 states and 375 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:39,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:39,569 INFO L93 Difference]: Finished difference Result 517 states and 763 transitions. [2024-12-02 10:41:39,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:41:39,570 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 160 [2024-12-02 10:41:39,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:39,573 INFO L225 Difference]: With dead ends: 517 [2024-12-02 10:41:39,573 INFO L226 Difference]: Without dead ends: 373 [2024-12-02 10:41:39,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:41:39,575 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 117 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:39,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1248 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:41:39,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-12-02 10:41:39,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 276. [2024-12-02 10:41:39,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 224 states have (on average 1.3973214285714286) internal successors, (313), 225 states have internal predecessors, (313), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 10:41:39,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 409 transitions. [2024-12-02 10:41:39,622 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 409 transitions. Word has length 160 [2024-12-02 10:41:39,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:39,623 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 409 transitions. [2024-12-02 10:41:39,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:39,623 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 409 transitions. [2024-12-02 10:41:39,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 10:41:39,625 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:39,625 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:39,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:41:39,625 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:39,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:39,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1851732655, now seen corresponding path program 1 times [2024-12-02 10:41:39,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:39,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813916723] [2024-12-02 10:41:39,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:39,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:40,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:40,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813916723] [2024-12-02 10:41:40,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813916723] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:40,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:40,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:41:40,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783867825] [2024-12-02 10:41:40,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:40,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:41:40,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:40,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:41:40,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:41:40,052 INFO L87 Difference]: Start difference. First operand 276 states and 409 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:40,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:40,754 INFO L93 Difference]: Finished difference Result 592 states and 881 transitions. [2024-12-02 10:41:40,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:41:40,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 160 [2024-12-02 10:41:40,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:40,757 INFO L225 Difference]: With dead ends: 592 [2024-12-02 10:41:40,758 INFO L226 Difference]: Without dead ends: 456 [2024-12-02 10:41:40,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:41:40,759 INFO L435 NwaCegarLoop]: 311 mSDtfsCounter, 410 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:40,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 879 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 10:41:40,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-12-02 10:41:40,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 293. [2024-12-02 10:41:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 241 states have (on average 1.3900414937759336) internal successors, (335), 242 states have internal predecessors, (335), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 10:41:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 431 transitions. [2024-12-02 10:41:40,815 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 431 transitions. Word has length 160 [2024-12-02 10:41:40,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:40,815 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 431 transitions. [2024-12-02 10:41:40,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 431 transitions. [2024-12-02 10:41:40,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 10:41:40,817 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:40,817 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:40,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 10:41:40,818 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:40,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:40,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1163370963, now seen corresponding path program 1 times [2024-12-02 10:41:40,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:40,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3839831] [2024-12-02 10:41:40,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:40,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:41,407 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:41,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:41,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3839831] [2024-12-02 10:41:41,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3839831] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:41,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:41,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 10:41:41,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579654885] [2024-12-02 10:41:41,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:41,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:41:41,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:41,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:41:41,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:41:41,409 INFO L87 Difference]: Start difference. First operand 293 states and 431 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:42,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:42,559 INFO L93 Difference]: Finished difference Result 782 states and 1158 transitions. [2024-12-02 10:41:42,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 10:41:42,560 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 160 [2024-12-02 10:41:42,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:42,564 INFO L225 Difference]: With dead ends: 782 [2024-12-02 10:41:42,564 INFO L226 Difference]: Without dead ends: 629 [2024-12-02 10:41:42,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:41:42,566 INFO L435 NwaCegarLoop]: 410 mSDtfsCounter, 497 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:42,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 772 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 10:41:42,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-12-02 10:41:42,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 285. [2024-12-02 10:41:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 233 states have (on average 1.3948497854077253) internal successors, (325), 234 states have internal predecessors, (325), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 10:41:42,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 421 transitions. [2024-12-02 10:41:42,646 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 421 transitions. Word has length 160 [2024-12-02 10:41:42,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:42,646 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 421 transitions. [2024-12-02 10:41:42,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:42,646 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 421 transitions. [2024-12-02 10:41:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 10:41:42,648 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:42,648 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:42,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:41:42,649 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:42,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:42,649 INFO L85 PathProgramCache]: Analyzing trace with hash 478795513, now seen corresponding path program 1 times [2024-12-02 10:41:42,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:42,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503849656] [2024-12-02 10:41:42,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:42,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:42,996 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:42,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:42,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503849656] [2024-12-02 10:41:42,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503849656] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:42,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:42,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:41:42,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220815685] [2024-12-02 10:41:42,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:42,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:41:42,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:42,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:41:42,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:41:42,998 INFO L87 Difference]: Start difference. First operand 285 states and 421 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:43,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:43,411 INFO L93 Difference]: Finished difference Result 479 states and 703 transitions. [2024-12-02 10:41:43,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:41:43,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 161 [2024-12-02 10:41:43,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:43,413 INFO L225 Difference]: With dead ends: 479 [2024-12-02 10:41:43,413 INFO L226 Difference]: Without dead ends: 291 [2024-12-02 10:41:43,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:41:43,415 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 167 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:43,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 517 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:41:43,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-12-02 10:41:43,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 272. [2024-12-02 10:41:43,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 220 states have (on average 1.3681818181818182) internal successors, (301), 221 states have internal predecessors, (301), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 10:41:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 397 transitions. [2024-12-02 10:41:43,463 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 397 transitions. Word has length 161 [2024-12-02 10:41:43,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:43,463 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 397 transitions. [2024-12-02 10:41:43,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:43,463 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 397 transitions. [2024-12-02 10:41:43,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 10:41:43,465 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:43,465 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:43,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 10:41:43,466 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:43,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:43,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1864998907, now seen corresponding path program 1 times [2024-12-02 10:41:43,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:43,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503485009] [2024-12-02 10:41:43,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:43,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:45,017 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:45,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:45,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503485009] [2024-12-02 10:41:45,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503485009] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:45,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:45,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 10:41:45,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717937397] [2024-12-02 10:41:45,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:45,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 10:41:45,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:45,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 10:41:45,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-12-02 10:41:45,019 INFO L87 Difference]: Start difference. First operand 272 states and 397 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:46,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:46,460 INFO L93 Difference]: Finished difference Result 918 states and 1293 transitions. [2024-12-02 10:41:46,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 10:41:46,461 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 161 [2024-12-02 10:41:46,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:46,464 INFO L225 Difference]: With dead ends: 918 [2024-12-02 10:41:46,464 INFO L226 Difference]: Without dead ends: 739 [2024-12-02 10:41:46,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-12-02 10:41:46,466 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 440 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:46,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 1243 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 10:41:46,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-12-02 10:41:46,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 491. [2024-12-02 10:41:46,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 433 states have (on average 1.3972286374133949) internal successors, (605), 436 states have internal predecessors, (605), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 10:41:46,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 709 transitions. [2024-12-02 10:41:46,531 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 709 transitions. Word has length 161 [2024-12-02 10:41:46,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:46,532 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 709 transitions. [2024-12-02 10:41:46,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:46,532 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 709 transitions. [2024-12-02 10:41:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 10:41:46,534 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:46,534 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:46,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 10:41:46,535 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:46,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:46,535 INFO L85 PathProgramCache]: Analyzing trace with hash 511270625, now seen corresponding path program 1 times [2024-12-02 10:41:46,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:46,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268421891] [2024-12-02 10:41:46,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:46,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:46,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:46,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268421891] [2024-12-02 10:41:46,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268421891] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:46,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:46,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:46,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705085551] [2024-12-02 10:41:46,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:46,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:46,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:46,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:46,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:46,628 INFO L87 Difference]: Start difference. First operand 491 states and 709 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:46,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:46,752 INFO L93 Difference]: Finished difference Result 951 states and 1367 transitions. [2024-12-02 10:41:46,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:41:46,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 161 [2024-12-02 10:41:46,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:46,757 INFO L225 Difference]: With dead ends: 951 [2024-12-02 10:41:46,757 INFO L226 Difference]: Without dead ends: 643 [2024-12-02 10:41:46,758 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 10:41:46,758 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 116 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:46,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 265 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:41:46,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-12-02 10:41:46,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 487. [2024-12-02 10:41:46,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 429 states have (on average 1.3822843822843822) internal successors, (593), 432 states have internal predecessors, (593), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 10:41:46,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 697 transitions. [2024-12-02 10:41:46,828 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 697 transitions. Word has length 161 [2024-12-02 10:41:46,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:46,828 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 697 transitions. [2024-12-02 10:41:46,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 697 transitions. [2024-12-02 10:41:46,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 10:41:46,831 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:46,831 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:46,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 10:41:46,831 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:46,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:46,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1911027260, now seen corresponding path program 1 times [2024-12-02 10:41:46,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:46,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818691332] [2024-12-02 10:41:46,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:46,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:47,317 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:47,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:47,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818691332] [2024-12-02 10:41:47,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818691332] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:47,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:47,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:41:47,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141330638] [2024-12-02 10:41:47,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:47,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:41:47,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:47,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:41:47,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:41:47,319 INFO L87 Difference]: Start difference. First operand 487 states and 697 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:47,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:47,592 INFO L93 Difference]: Finished difference Result 907 states and 1282 transitions. [2024-12-02 10:41:47,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:41:47,593 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 161 [2024-12-02 10:41:47,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:47,596 INFO L225 Difference]: With dead ends: 907 [2024-12-02 10:41:47,596 INFO L226 Difference]: Without dead ends: 601 [2024-12-02 10:41:47,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:41:47,597 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 161 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:47,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 670 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:41:47,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-12-02 10:41:47,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 503. [2024-12-02 10:41:47,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 445 states have (on average 1.3820224719101124) internal successors, (615), 448 states have internal predecessors, (615), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 10:41:47,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 719 transitions. [2024-12-02 10:41:47,653 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 719 transitions. Word has length 161 [2024-12-02 10:41:47,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:47,654 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 719 transitions. [2024-12-02 10:41:47,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:47,654 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 719 transitions. [2024-12-02 10:41:47,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 10:41:47,656 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:47,656 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:47,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 10:41:47,657 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:47,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:47,657 INFO L85 PathProgramCache]: Analyzing trace with hash 2083853625, now seen corresponding path program 1 times [2024-12-02 10:41:47,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:47,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622069904] [2024-12-02 10:41:47,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:47,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:47,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:47,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622069904] [2024-12-02 10:41:47,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622069904] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:47,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:47,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:41:47,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780263008] [2024-12-02 10:41:47,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:47,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:41:47,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:47,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:41:47,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:41:47,933 INFO L87 Difference]: Start difference. First operand 503 states and 719 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:48,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:48,440 INFO L93 Difference]: Finished difference Result 1134 states and 1626 transitions. [2024-12-02 10:41:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:41:48,441 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 161 [2024-12-02 10:41:48,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:48,445 INFO L225 Difference]: With dead ends: 1134 [2024-12-02 10:41:48,445 INFO L226 Difference]: Without dead ends: 847 [2024-12-02 10:41:48,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:41:48,447 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 171 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:48,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 558 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:41:48,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-12-02 10:41:48,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 823. [2024-12-02 10:41:48,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 731 states have (on average 1.3693570451436388) internal successors, (1001), 737 states have internal predecessors, (1001), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 10:41:48,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1165 transitions. [2024-12-02 10:41:48,555 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1165 transitions. Word has length 161 [2024-12-02 10:41:48,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:48,556 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1165 transitions. [2024-12-02 10:41:48,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1165 transitions. [2024-12-02 10:41:48,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 10:41:48,559 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:48,559 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:48,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 10:41:48,560 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:48,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:48,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1692172542, now seen corresponding path program 1 times [2024-12-02 10:41:48,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:48,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607000068] [2024-12-02 10:41:48,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:48,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:49,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:49,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607000068] [2024-12-02 10:41:49,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607000068] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:49,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:49,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 10:41:49,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135022515] [2024-12-02 10:41:49,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:49,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 10:41:49,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:49,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 10:41:49,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-12-02 10:41:49,108 INFO L87 Difference]: Start difference. First operand 823 states and 1165 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:50,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:50,235 INFO L93 Difference]: Finished difference Result 1652 states and 2358 transitions. [2024-12-02 10:41:50,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 10:41:50,236 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 161 [2024-12-02 10:41:50,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:50,239 INFO L225 Difference]: With dead ends: 1652 [2024-12-02 10:41:50,239 INFO L226 Difference]: Without dead ends: 1143 [2024-12-02 10:41:50,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2024-12-02 10:41:50,241 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 500 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:50,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 1406 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 10:41:50,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2024-12-02 10:41:50,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 839. [2024-12-02 10:41:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 747 states have (on average 1.3694779116465863) internal successors, (1023), 753 states have internal predecessors, (1023), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 10:41:50,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1187 transitions. [2024-12-02 10:41:50,304 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1187 transitions. Word has length 161 [2024-12-02 10:41:50,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:50,305 INFO L471 AbstractCegarLoop]: Abstraction has 839 states and 1187 transitions. [2024-12-02 10:41:50,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:50,305 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1187 transitions. [2024-12-02 10:41:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 10:41:50,306 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:50,307 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:50,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 10:41:50,307 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:50,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:50,307 INFO L85 PathProgramCache]: Analyzing trace with hash -595746373, now seen corresponding path program 1 times [2024-12-02 10:41:50,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:50,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909700394] [2024-12-02 10:41:50,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:50,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:50,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:50,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909700394] [2024-12-02 10:41:50,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909700394] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:50,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:50,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:50,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338235199] [2024-12-02 10:41:50,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:50,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:50,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:50,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:50,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:50,369 INFO L87 Difference]: Start difference. First operand 839 states and 1187 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:50,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:50,533 INFO L93 Difference]: Finished difference Result 1673 states and 2369 transitions. [2024-12-02 10:41:50,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:41:50,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 10:41:50,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:50,537 INFO L225 Difference]: With dead ends: 1673 [2024-12-02 10:41:50,537 INFO L226 Difference]: Without dead ends: 1085 [2024-12-02 10:41:50,538 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 10:41:50,539 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 110 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:50,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 347 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:41:50,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2024-12-02 10:41:50,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 833. [2024-12-02 10:41:50,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 741 states have (on average 1.360323886639676) internal successors, (1008), 747 states have internal predecessors, (1008), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 10:41:50,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1172 transitions. [2024-12-02 10:41:50,615 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1172 transitions. Word has length 162 [2024-12-02 10:41:50,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:50,616 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1172 transitions. [2024-12-02 10:41:50,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:50,616 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1172 transitions. [2024-12-02 10:41:50,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 10:41:50,617 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:50,617 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:50,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 10:41:50,618 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:50,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:50,618 INFO L85 PathProgramCache]: Analyzing trace with hash -32236262, now seen corresponding path program 1 times [2024-12-02 10:41:50,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:50,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770578340] [2024-12-02 10:41:50,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:50,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:50,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:50,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770578340] [2024-12-02 10:41:50,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770578340] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:50,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:50,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 10:41:50,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101456013] [2024-12-02 10:41:50,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:50,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 10:41:50,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:50,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 10:41:50,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:41:50,988 INFO L87 Difference]: Start difference. First operand 833 states and 1172 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:51,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:51,361 INFO L93 Difference]: Finished difference Result 1408 states and 1925 transitions. [2024-12-02 10:41:51,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:41:51,361 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 10:41:51,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:51,364 INFO L225 Difference]: With dead ends: 1408 [2024-12-02 10:41:51,364 INFO L226 Difference]: Without dead ends: 1125 [2024-12-02 10:41:51,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:41:51,366 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 112 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:51,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 804 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:41:51,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2024-12-02 10:41:51,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 833. [2024-12-02 10:41:51,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 741 states have (on average 1.360323886639676) internal successors, (1008), 747 states have internal predecessors, (1008), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 10:41:51,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1172 transitions. [2024-12-02 10:41:51,461 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1172 transitions. Word has length 162 [2024-12-02 10:41:51,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:51,461 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1172 transitions. [2024-12-02 10:41:51,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:51,461 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1172 transitions. [2024-12-02 10:41:51,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 10:41:51,463 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:51,463 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:51,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 10:41:51,463 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:51,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:51,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1646303139, now seen corresponding path program 1 times [2024-12-02 10:41:51,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:51,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886421227] [2024-12-02 10:41:51,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:51,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:51,937 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:51,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:51,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886421227] [2024-12-02 10:41:51,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886421227] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:51,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:51,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:41:51,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265797331] [2024-12-02 10:41:51,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:51,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:41:51,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:51,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:41:51,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:41:51,939 INFO L87 Difference]: Start difference. First operand 833 states and 1172 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:52,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:52,237 INFO L93 Difference]: Finished difference Result 1175 states and 1653 transitions. [2024-12-02 10:41:52,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:41:52,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 10:41:52,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:52,242 INFO L225 Difference]: With dead ends: 1175 [2024-12-02 10:41:52,242 INFO L226 Difference]: Without dead ends: 892 [2024-12-02 10:41:52,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:41:52,243 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 151 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:52,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 640 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:41:52,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2024-12-02 10:41:52,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 833. [2024-12-02 10:41:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 741 states have (on average 1.3576248313090418) internal successors, (1006), 747 states have internal predecessors, (1006), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 10:41:52,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1170 transitions. [2024-12-02 10:41:52,302 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1170 transitions. Word has length 162 [2024-12-02 10:41:52,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:52,303 INFO L471 AbstractCegarLoop]: Abstraction has 833 states and 1170 transitions. [2024-12-02 10:41:52,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:52,303 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1170 transitions. [2024-12-02 10:41:52,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 10:41:52,304 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:52,304 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:52,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 10:41:52,304 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:52,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:52,304 INFO L85 PathProgramCache]: Analyzing trace with hash 57955237, now seen corresponding path program 1 times [2024-12-02 10:41:52,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:52,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845774869] [2024-12-02 10:41:52,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:52,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:52,720 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:52,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:52,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845774869] [2024-12-02 10:41:52,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845774869] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:52,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:52,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 10:41:52,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810344012] [2024-12-02 10:41:52,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:52,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 10:41:52,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:52,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 10:41:52,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:41:52,722 INFO L87 Difference]: Start difference. First operand 833 states and 1170 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:53,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:53,116 INFO L93 Difference]: Finished difference Result 1708 states and 2336 transitions. [2024-12-02 10:41:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:41:53,117 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 10:41:53,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:53,121 INFO L225 Difference]: With dead ends: 1708 [2024-12-02 10:41:53,121 INFO L226 Difference]: Without dead ends: 1023 [2024-12-02 10:41:53,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:41:53,123 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 62 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:53,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 1104 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:41:53,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2024-12-02 10:41:53,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 829. [2024-12-02 10:41:53,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 737 states have (on average 1.2930800542740841) internal successors, (953), 743 states have internal predecessors, (953), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 10:41:53,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1117 transitions. [2024-12-02 10:41:53,233 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1117 transitions. Word has length 162 [2024-12-02 10:41:53,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:53,233 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1117 transitions. [2024-12-02 10:41:53,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:53,234 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1117 transitions. [2024-12-02 10:41:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 10:41:53,235 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:53,235 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:53,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 10:41:53,236 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:53,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:53,236 INFO L85 PathProgramCache]: Analyzing trace with hash -7229807, now seen corresponding path program 1 times [2024-12-02 10:41:53,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:53,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150403182] [2024-12-02 10:41:53,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:53,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:53,296 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:53,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:53,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150403182] [2024-12-02 10:41:53,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150403182] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:53,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:53,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:53,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703945597] [2024-12-02 10:41:53,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:53,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:53,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:53,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:53,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:53,297 INFO L87 Difference]: Start difference. First operand 829 states and 1117 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:53,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:53,463 INFO L93 Difference]: Finished difference Result 1624 states and 2208 transitions. [2024-12-02 10:41:53,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:41:53,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 10:41:53,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:53,468 INFO L225 Difference]: With dead ends: 1624 [2024-12-02 10:41:53,468 INFO L226 Difference]: Without dead ends: 1109 [2024-12-02 10:41:53,469 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 10:41:53,470 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 123 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:53,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 245 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:41:53,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2024-12-02 10:41:53,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 901. [2024-12-02 10:41:53,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 901 states, 809 states have (on average 1.2793572311495673) internal successors, (1035), 815 states have internal predecessors, (1035), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 10:41:53,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1199 transitions. [2024-12-02 10:41:53,588 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1199 transitions. Word has length 162 [2024-12-02 10:41:53,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:53,589 INFO L471 AbstractCegarLoop]: Abstraction has 901 states and 1199 transitions. [2024-12-02 10:41:53,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1199 transitions. [2024-12-02 10:41:53,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 10:41:53,591 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:53,591 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:53,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 10:41:53,592 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:53,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:53,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1327015985, now seen corresponding path program 1 times [2024-12-02 10:41:53,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:53,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619276801] [2024-12-02 10:41:53,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:53,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:53,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:53,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619276801] [2024-12-02 10:41:53,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619276801] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:53,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:53,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:53,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130170390] [2024-12-02 10:41:53,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:53,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:53,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:53,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:53,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:53,683 INFO L87 Difference]: Start difference. First operand 901 states and 1199 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:53,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:53,767 INFO L93 Difference]: Finished difference Result 1808 states and 2423 transitions. [2024-12-02 10:41:53,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:41:53,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 10:41:53,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:53,770 INFO L225 Difference]: With dead ends: 1808 [2024-12-02 10:41:53,770 INFO L226 Difference]: Without dead ends: 1081 [2024-12-02 10:41:53,771 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 10:41:53,771 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 69 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:53,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 258 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:41:53,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2024-12-02 10:41:53,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 899. [2024-12-02 10:41:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 807 states have (on average 1.278810408921933) internal successors, (1032), 813 states have internal predecessors, (1032), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 10:41:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1196 transitions. [2024-12-02 10:41:53,831 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1196 transitions. Word has length 162 [2024-12-02 10:41:53,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:53,831 INFO L471 AbstractCegarLoop]: Abstraction has 899 states and 1196 transitions. [2024-12-02 10:41:53,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1196 transitions. [2024-12-02 10:41:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 10:41:53,832 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:53,833 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:53,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 10:41:53,833 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:53,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:53,833 INFO L85 PathProgramCache]: Analyzing trace with hash 788268804, now seen corresponding path program 1 times [2024-12-02 10:41:53,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:53,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815344811] [2024-12-02 10:41:53,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:53,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:54,619 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:54,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:54,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815344811] [2024-12-02 10:41:54,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815344811] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:54,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:54,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 10:41:54,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504364953] [2024-12-02 10:41:54,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:54,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:41:54,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:54,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:41:54,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:41:54,621 INFO L87 Difference]: Start difference. First operand 899 states and 1196 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 10:41:55,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:55,286 INFO L93 Difference]: Finished difference Result 1552 states and 2070 transitions. [2024-12-02 10:41:55,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:41:55,287 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 163 [2024-12-02 10:41:55,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:55,291 INFO L225 Difference]: With dead ends: 1552 [2024-12-02 10:41:55,291 INFO L226 Difference]: Without dead ends: 910 [2024-12-02 10:41:55,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:41:55,293 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 235 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:55,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 636 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 10:41:55,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2024-12-02 10:41:55,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 877. [2024-12-02 10:41:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 785 states have (on average 1.2789808917197452) internal successors, (1004), 791 states have internal predecessors, (1004), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 10:41:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1168 transitions. [2024-12-02 10:41:55,398 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1168 transitions. Word has length 163 [2024-12-02 10:41:55,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:55,398 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1168 transitions. [2024-12-02 10:41:55,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 10:41:55,398 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1168 transitions. [2024-12-02 10:41:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 10:41:55,400 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:55,400 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:55,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 10:41:55,400 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:55,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:55,401 INFO L85 PathProgramCache]: Analyzing trace with hash 659575996, now seen corresponding path program 1 times [2024-12-02 10:41:55,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:55,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979988572] [2024-12-02 10:41:55,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:55,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:55,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:55,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979988572] [2024-12-02 10:41:55,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979988572] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:55,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:55,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 10:41:55,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204074960] [2024-12-02 10:41:55,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:55,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 10:41:55,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:55,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 10:41:55,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:41:55,840 INFO L87 Difference]: Start difference. First operand 877 states and 1168 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:56,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:56,141 INFO L93 Difference]: Finished difference Result 1440 states and 1880 transitions. [2024-12-02 10:41:56,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:41:56,142 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 163 [2024-12-02 10:41:56,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:56,146 INFO L225 Difference]: With dead ends: 1440 [2024-12-02 10:41:56,146 INFO L226 Difference]: Without dead ends: 1115 [2024-12-02 10:41:56,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:41:56,149 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 64 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:56,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1043 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:41:56,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2024-12-02 10:41:56,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 889. [2024-12-02 10:41:56,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 797 states have (on average 1.2797992471769135) internal successors, (1020), 803 states have internal predecessors, (1020), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 10:41:56,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1184 transitions. [2024-12-02 10:41:56,255 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1184 transitions. Word has length 163 [2024-12-02 10:41:56,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:56,256 INFO L471 AbstractCegarLoop]: Abstraction has 889 states and 1184 transitions. [2024-12-02 10:41:56,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1184 transitions. [2024-12-02 10:41:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 10:41:56,258 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:56,258 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:56,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 10:41:56,258 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:56,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:56,258 INFO L85 PathProgramCache]: Analyzing trace with hash 116431146, now seen corresponding path program 1 times [2024-12-02 10:41:56,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:56,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172641731] [2024-12-02 10:41:56,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:56,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:41:56,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:56,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172641731] [2024-12-02 10:41:56,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172641731] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:56,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:56,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:41:56,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360805990] [2024-12-02 10:41:56,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:56,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:41:56,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:56,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:41:56,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:41:56,323 INFO L87 Difference]: Start difference. First operand 889 states and 1184 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:56,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:56,494 INFO L93 Difference]: Finished difference Result 1832 states and 2460 transitions. [2024-12-02 10:41:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:41:56,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 163 [2024-12-02 10:41:56,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:56,499 INFO L225 Difference]: With dead ends: 1832 [2024-12-02 10:41:56,499 INFO L226 Difference]: Without dead ends: 1233 [2024-12-02 10:41:56,500 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 10:41:56,501 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 120 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:56,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 276 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:41:56,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2024-12-02 10:41:56,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 891. [2024-12-02 10:41:56,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 891 states, 799 states have (on average 1.281602002503129) internal successors, (1024), 805 states have internal predecessors, (1024), 82 states have call successors, (82), 9 states have call predecessors, (82), 9 states have return successors, (82), 76 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 10:41:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1188 transitions. [2024-12-02 10:41:56,617 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1188 transitions. Word has length 163 [2024-12-02 10:41:56,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:56,618 INFO L471 AbstractCegarLoop]: Abstraction has 891 states and 1188 transitions. [2024-12-02 10:41:56,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:41:56,618 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1188 transitions. [2024-12-02 10:41:56,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 10:41:56,620 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:56,620 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:56,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 10:41:56,620 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:56,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:56,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1489868678, now seen corresponding path program 1 times [2024-12-02 10:41:56,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:56,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045053818] [2024-12-02 10:41:56,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:56,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:41:56,685 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:41:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:41:56,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:41:56,826 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:41:56,827 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:41:56,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 10:41:56,833 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, 1, 1, 1] [2024-12-02 10:41:56,938 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:41:56,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:41:56 BoogieIcfgContainer [2024-12-02 10:41:56,942 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:41:56,943 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:41:56,943 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:41:56,943 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:41:56,944 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:34" (3/4) ... [2024-12-02 10:41:56,946 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:41:56,947 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:41:56,948 INFO L158 Benchmark]: Toolchain (without parser) took 22941.16ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 117.7MB in the beginning and 430.8MB in the end (delta: -313.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-12-02 10:41:56,949 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:41:56,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.45ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 101.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:41:56,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.98ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 97.1MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:41:56,950 INFO L158 Benchmark]: Boogie Preprocessor took 61.41ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 91.3MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:41:56,950 INFO L158 Benchmark]: RCFGBuilder took 525.32ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 62.6MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 10:41:56,950 INFO L158 Benchmark]: TraceAbstraction took 21966.81ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 61.9MB in the beginning and 430.9MB in the end (delta: -369.0MB). Peak memory consumption was 189.7MB. Max. memory is 16.1GB. [2024-12-02 10:41:56,950 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 478.2MB. Free memory was 430.9MB in the beginning and 430.8MB in the end (delta: 81.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:41:56,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.45ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 101.6MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.98ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 97.1MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.41ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 91.3MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 525.32ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 62.6MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 21966.81ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 61.9MB in the beginning and 430.9MB in the end (delta: -369.0MB). Peak memory consumption was 189.7MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 478.2MB. Free memory was 430.9MB in the beginning and 430.8MB in the end (delta: 81.3kB). There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 113, overapproximation of shiftRight at line 182, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 152, overapproximation of someBinaryDOUBLEComparisonOperation at line 158, overapproximation of someBinaryDOUBLEComparisonOperation at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 156, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 150. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 64; [L23] unsigned char var_1_7 = 0; [L24] unsigned short int var_1_11 = 500; [L25] unsigned char var_1_13 = 64; [L26] unsigned char var_1_15 = 1; [L27] unsigned char var_1_16 = 8; [L28] double var_1_17 = 7.5; [L29] double var_1_18 = 31.125; [L30] double var_1_19 = 10.5; [L31] double var_1_20 = 0.0; [L32] double var_1_21 = 16.75; [L33] double var_1_22 = 2.5; [L34] double var_1_23 = 64.5; [L35] signed long int var_1_24 = 10; [L36] signed char var_1_26 = 16; [L37] signed char var_1_27 = 4; [L38] signed char var_1_28 = -10; [L39] float var_1_29 = 63.794; [L40] unsigned short int var_1_30 = 1; [L41] signed long int var_1_31 = -2; [L42] unsigned char var_1_32 = 64; [L43] unsigned char var_1_33 = 8; [L44] double var_1_40 = 8.35; [L45] unsigned short int var_1_45 = 50; [L46] unsigned char var_1_46 = 0; [L47] unsigned char var_1_47 = 5; [L48] unsigned char var_1_48 = 1; [L49] signed char var_1_49 = -16; [L50] signed char var_1_50 = 2; [L51] signed char var_1_51 = 16; [L52] signed long int var_1_53 = 256; [L53] double var_1_54 = 1.25; [L54] unsigned long int var_1_55 = 5; [L55] signed long int last_1_var_1_1 = 64; [L56] unsigned char last_1_var_1_13 = 64; VAL [isInitial=0, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L186] isInitial = 1 [L187] FCALL initially() [L189] CALL updateLastVariables() [L178] last_1_var_1_1 = var_1_1 [L179] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L189] RET updateLastVariables() [L190] CALL updateVariables() [L140] var_1_7 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L141] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L142] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L142] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L143] var_1_15 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L144] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L145] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L145] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L146] var_1_16 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L147] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L148] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L148] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L149] var_1_18 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L150] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L151] var_1_19 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L152] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L153] var_1_20 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L154] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L155] var_1_21 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L156] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L157] var_1_22 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L158] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L159] var_1_23 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L160] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L161] var_1_27 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L162] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L163] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L163] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L164] var_1_28 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_28 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L165] RET assume_abort_if_not(var_1_28 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L166] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L166] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L167] var_1_47 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_47 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L168] RET assume_abort_if_not(var_1_47 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L169] CALL assume_abort_if_not(var_1_47 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L169] RET assume_abort_if_not(var_1_47 <= 127) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L170] var_1_50 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_50 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L171] RET assume_abort_if_not(var_1_50 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L172] CALL assume_abort_if_not(var_1_50 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L172] RET assume_abort_if_not(var_1_50 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L173] var_1_51 = __VERIFIER_nondet_char() [L174] CALL assume_abort_if_not(var_1_51 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L174] RET assume_abort_if_not(var_1_51 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L175] CALL assume_abort_if_not(var_1_51 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L175] RET assume_abort_if_not(var_1_51 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L190] RET updateVariables() [L191] CALL step() [L60] EXPR var_1_15 ^ var_1_1 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L60] EXPR var_1_13 | var_1_13 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L60] COND FALSE !((var_1_15 ^ var_1_1) < (var_1_13 | var_1_13)) [L63] var_1_33 = (((((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) < 0 ) ? -((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) : ((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L65] COND FALSE !((-32 & var_1_16) > var_1_32) [L68] var_1_40 = (var_1_18 + var_1_18) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L70] COND TRUE var_1_21 >= ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L71] COND FALSE !(var_1_32 > var_1_32) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L81] COND FALSE !(var_1_18 > (var_1_19 + var_1_22)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L88] var_1_48 = var_1_16 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=-16, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L89] COND TRUE var_1_20 < var_1_22 [L90] var_1_49 = ((var_1_50 - var_1_51) + var_1_27) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L94] var_1_53 = var_1_11 [L95] var_1_54 = var_1_21 [L96] var_1_55 = var_1_11 [L97] signed long int stepLocal_1 = last_1_var_1_1; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_21=505, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L98] COND FALSE !(stepLocal_1 != last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_21=505, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L101] var_1_31 = var_1_13 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=15/2, var_1_1=64, var_1_21=505, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L102] COND FALSE !(\read(var_1_7)) [L105] var_1_17 = var_1_22 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L107] COND FALSE !(\read(var_1_7)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L110] var_1_32 = var_1_16 [L111] var_1_30 = var_1_32 [L112] unsigned char stepLocal_0 = var_1_13; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L113] EXPR var_1_32 >> var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L113] COND TRUE (var_1_32 >> var_1_32) < stepLocal_0 [L114] var_1_11 = var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L116] COND TRUE var_1_11 >= var_1_30 [L117] var_1_26 = (var_1_27 + var_1_28) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=-59, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L119] EXPR (var_1_31 + 4u) | var_1_30 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=64, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=-59, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L119] COND TRUE 32u < ((var_1_31 + 4u) | var_1_30) [L120] var_1_1 = (var_1_26 + (var_1_26 + var_1_32)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=-50, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=-59, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L128] unsigned short int stepLocal_2 = var_1_30; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=68, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=-50, var_1_21=505, var_1_22=506, var_1_24=10, var_1_26=-59, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L129] COND TRUE ! var_1_7 [L130] var_1_24 = (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=68, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=-50, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=-59, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L191] RET step() [L192] CALL, EXPR property() [L182] EXPR (var_1_31 + 4u) | var_1_30 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=-50, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=-59, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L182] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=-50, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=-59, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L182] EXPR var_1_32 >> var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=-50, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=-59, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L182] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=-50, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=-59, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L182-L183] return ((((((((((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1)) && ((last_1_var_1_1 != last_1_var_1_13) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))))) : ((var_1_11 < var_1_30) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_26))))) && ((var_1_11 >= var_1_30) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_32))) && (var_1_31 == ((signed long int) var_1_13))) && (var_1_32 == ((unsigned char) var_1_16)) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=-50, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=-59, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=68, var_1_13=64, var_1_15=0, var_1_16=68, var_1_17=506, var_1_1=-50, var_1_21=505, var_1_22=506, var_1_24=0, var_1_26=-59, var_1_27=4, var_1_28=-63, var_1_29=31897/500, var_1_30=68, var_1_31=64, var_1_32=68, var_1_33=68, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=68, var_1_49=4, var_1_50=0, var_1_51=0, var_1_53=500, var_1_54=505, var_1_55=500, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.8s, OverallIterations: 24, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4161 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4161 mSDsluCounter, 14775 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10492 mSDsCounter, 738 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5095 IncrementalHoareTripleChecker+Invalid, 5833 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 738 mSolverCounterUnsat, 4283 mSDtfsCounter, 5095 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 394 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=901occurred in iteration=19, InterpolantAutomatonStates: 136, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 23 MinimizatonAttempts, 3409 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 4024 NumberOfCodeBlocks, 4024 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3837 ConstructedInterpolants, 0 QuantifiedInterpolants, 12987 SizeOfPredicates, 0 NumberOfNonLiveVariables, 403 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 24 InterpolantComputations, 23 PerfectInterpolantSequences, 22134/22176 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 10:41:56,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/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_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/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 afbfde6aa2480906168f8fc09afcb93a075af3ef82129d862406738e329cbc94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:41:58,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:41:59,013 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:41:59,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:41:59,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:41:59,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:41:59,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:41:59,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:41:59,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:41:59,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:41:59,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:41:59,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:41:59,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:41:59,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:41:59,049 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:41:59,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:41:59,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:41:59,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:41:59,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:41:59,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:41:59,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:41:59,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:41:59,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:41:59,050 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:41:59,050 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:41:59,051 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:41:59,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:41:59,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:41:59,051 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:41:59,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:41:59,051 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:41:59,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:41:59,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:41:59,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:41:59,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:59,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:41:59,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:41:59,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:41:59,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:41:59,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:59,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:41:59,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:41:59,053 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:41:59,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:41:59,053 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:41:59,053 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:41:59,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:41:59,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:41:59,053 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:41:59,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:41:59,053 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_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/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 -> afbfde6aa2480906168f8fc09afcb93a075af3ef82129d862406738e329cbc94 [2024-12-02 10:41:59,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:41:59,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:41:59,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:41:59,309 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:41:59,309 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:41:59,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i [2024-12-02 10:42:02,036 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/data/957cde864/e015b5fd96ae48ad9abdbcc7a92706f8/FLAGe456eaeea [2024-12-02 10:42:02,214 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:42:02,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i [2024-12-02 10:42:02,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/data/957cde864/e015b5fd96ae48ad9abdbcc7a92706f8/FLAGe456eaeea [2024-12-02 10:42:02,239 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/data/957cde864/e015b5fd96ae48ad9abdbcc7a92706f8 [2024-12-02 10:42:02,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:42:02,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:42:02,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:42:02,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:42:02,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:42:02,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c067a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02, skipping insertion in model container [2024-12-02 10:42:02,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:42:02,388 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_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i[919,932] [2024-12-02 10:42:02,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:42:02,464 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:42:02,472 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_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i[919,932] [2024-12-02 10:42:02,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:42:02,521 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:42:02,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02 WrapperNode [2024-12-02 10:42:02,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:42:02,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:42:02,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:42:02,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:42:02,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,561 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2024-12-02 10:42:02,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:42:02,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:42:02,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:42:02,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:42:02,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,587 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 10:42:02,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,598 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:42:02,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:42:02,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:42:02,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:42:02,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (1/1) ... [2024-12-02 10:42:02,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:42:02,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:42:02,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:42:02,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:42:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:42:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:42:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:42:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:42:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:42:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:42:02,729 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:42:02,731 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:42:11,576 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 10:42:11,576 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:42:11,587 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:42:11,587 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:42:11,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:11 BoogieIcfgContainer [2024-12-02 10:42:11,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:42:11,590 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:42:11,590 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:42:11,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:42:11,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:42:02" (1/3) ... [2024-12-02 10:42:11,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d5ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:42:11, skipping insertion in model container [2024-12-02 10:42:11,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:02" (2/3) ... [2024-12-02 10:42:11,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d5ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:42:11, skipping insertion in model container [2024-12-02 10:42:11,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:11" (3/3) ... [2024-12-02 10:42:11,598 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i [2024-12-02 10:42:11,614 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:42:11,615 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-63.i that has 2 procedures, 78 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:42:11,661 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:42:11,671 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;@58f5913c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:42:11,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:42:11,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 10:42:11,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 10:42:11,685 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:11,686 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:11,687 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:42:11,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:11,690 INFO L85 PathProgramCache]: Analyzing trace with hash -318841133, now seen corresponding path program 1 times [2024-12-02 10:42:11,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:42:11,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003832209] [2024-12-02 10:42:11,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:11,700 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:42:11,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:42:11,702 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:42:11,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 10:42:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:12,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:42:12,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-12-02 10:42:12,329 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:42:12,330 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:42:12,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003832209] [2024-12-02 10:42:12,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003832209] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:12,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:42:12,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:42:12,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199213490] [2024-12-02 10:42:12,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:12,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:42:12,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:42:12,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:42:12,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:42:12,359 INFO L87 Difference]: Start difference. First operand has 78 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 10:42:12,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:12,384 INFO L93 Difference]: Finished difference Result 148 states and 254 transitions. [2024-12-02 10:42:12,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:42:12,386 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2024-12-02 10:42:12,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:12,392 INFO L225 Difference]: With dead ends: 148 [2024-12-02 10:42:12,392 INFO L226 Difference]: Without dead ends: 73 [2024-12-02 10:42:12,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 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 10:42:12,397 INFO L435 NwaCegarLoop]: 110 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, 110 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 10:42:12,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:42:12,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-12-02 10:42:12,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-12-02 10:42:12,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.346938775510204) internal successors, (66), 49 states have internal predecessors, (66), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 10:42:12,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 110 transitions. [2024-12-02 10:42:12,435 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 110 transitions. Word has length 151 [2024-12-02 10:42:12,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:12,436 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 110 transitions. [2024-12-02 10:42:12,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 10:42:12,436 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2024-12-02 10:42:12,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 10:42:12,439 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:12,439 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:12,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 10:42:12,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:42:12,640 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:42:12,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:12,641 INFO L85 PathProgramCache]: Analyzing trace with hash -584394657, now seen corresponding path program 1 times [2024-12-02 10:42:12,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:42:12,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186005657] [2024-12-02 10:42:12,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:12,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:42:12,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:42:12,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:42:12,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 10:42:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:13,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:42:13,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:42:13,297 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 10:42:13,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:42:13,297 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:42:13,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186005657] [2024-12-02 10:42:13,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186005657] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:42:13,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:42:13,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:42:13,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106059864] [2024-12-02 10:42:13,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:42:13,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:42:13,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:42:13,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:42:13,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:42:13,300 INFO L87 Difference]: Start difference. First operand 73 states and 110 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:42:17,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:42:17,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:42:17,222 INFO L93 Difference]: Finished difference Result 159 states and 239 transitions. [2024-12-02 10:42:17,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:42:17,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-12-02 10:42:17,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:42:17,225 INFO L225 Difference]: With dead ends: 159 [2024-12-02 10:42:17,225 INFO L226 Difference]: Without dead ends: 89 [2024-12-02 10:42:17,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 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 10:42:17,227 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 14 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:42:17,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 209 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-12-02 10:42:17,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-12-02 10:42:17,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 81. [2024-12-02 10:42:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 57 states have (on average 1.3508771929824561) internal successors, (77), 57 states have internal predecessors, (77), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 10:42:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 121 transitions. [2024-12-02 10:42:17,236 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 121 transitions. Word has length 151 [2024-12-02 10:42:17,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:42:17,237 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 121 transitions. [2024-12-02 10:42:17,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 10:42:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2024-12-02 10:42:17,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 10:42:17,239 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:42:17,239 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:17,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 10:42:17,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:42:17,439 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:42:17,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:42:17,440 INFO L85 PathProgramCache]: Analyzing trace with hash 374835359, now seen corresponding path program 1 times [2024-12-02 10:42:17,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:42:17,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653505864] [2024-12-02 10:42:17,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:42:17,441 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:42:17,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:42:17,443 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:42:17,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570b697-88cc-4a5a-9f6c-fd54c7e9c078/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 10:42:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:42:17,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 10:42:17,983 INFO L279 TraceCheckSpWp]: Computing forward predicates...