./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.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_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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_1e845678-1827-48c7-acc9-432cde15cbdb/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 69eea854146ed6719c2a02b1e3c48ec2ec3340ce1e8957b9754599908f0bff1b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:44:12,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:44:12,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:44:12,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:44:12,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:44:12,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:44:12,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:44:12,537 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:44:12,538 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:44:12,538 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:44:12,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:44:12,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:44:12,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:44:12,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:44:12,538 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:44:12,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:44:12,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:44:12,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:44:12,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:44:12,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:44:12,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:44:12,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:44:12,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:44:12,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:44:12,539 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:44:12,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:44:12,539 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:44:12,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:44:12,540 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:44:12,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:44:12,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:44:12,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:44:12,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:44:12,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:44:12,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:44:12,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:44:12,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:44:12,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:44:12,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:44:12,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:44:12,541 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:44:12,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:44:12,541 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:44:12,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:44:12,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:44:12,541 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:44:12,541 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:44:12,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:44:12,541 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_1e845678-1827-48c7-acc9-432cde15cbdb/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 -> 69eea854146ed6719c2a02b1e3c48ec2ec3340ce1e8957b9754599908f0bff1b [2024-12-02 14:44:12,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:44:12,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:44:12,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:44:12,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:44:12,802 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:44:12,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i [2024-12-02 14:44:15,462 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/data/ededf8e7e/9f64a184be094c35bdfe411de74419e4/FLAGe98cb8f88 [2024-12-02 14:44:15,691 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:44:15,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i [2024-12-02 14:44:15,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/data/ededf8e7e/9f64a184be094c35bdfe411de74419e4/FLAGe98cb8f88 [2024-12-02 14:44:15,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/data/ededf8e7e/9f64a184be094c35bdfe411de74419e4 [2024-12-02 14:44:15,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:44:15,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:44:15,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:44:15,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:44:15,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:44:15,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:44:15" (1/1) ... [2024-12-02 14:44:15,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b7cf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:15, skipping insertion in model container [2024-12-02 14:44:15,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:44:15" (1/1) ... [2024-12-02 14:44:15,742 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:44:15,873 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_1e845678-1827-48c7-acc9-432cde15cbdb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i[919,932] [2024-12-02 14:44:15,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:44:15,952 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:44:15,962 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_1e845678-1827-48c7-acc9-432cde15cbdb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i[919,932] [2024-12-02 14:44:15,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:44:16,008 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:44:16,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16 WrapperNode [2024-12-02 14:44:16,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:44:16,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:44:16,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:44:16,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:44:16,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,063 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 297 [2024-12-02 14:44:16,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:44:16,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:44:16,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:44:16,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:44:16,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,077 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,096 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 14:44:16,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:44:16,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:44:16,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:44:16,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:44:16,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (1/1) ... [2024-12-02 14:44:16,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:44:16,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:44:16,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:44:16,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:44:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:44:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:44:16,177 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:44:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:44:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:44:16,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:44:16,256 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:44:16,258 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:44:16,684 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-12-02 14:44:16,684 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:44:16,695 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:44:16,696 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:44:16,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:44:16 BoogieIcfgContainer [2024-12-02 14:44:16,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:44:16,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:44:16,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:44:16,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:44:16,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:44:15" (1/3) ... [2024-12-02 14:44:16,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d4d50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:44:16, skipping insertion in model container [2024-12-02 14:44:16,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:44:16" (2/3) ... [2024-12-02 14:44:16,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d4d50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:44:16, skipping insertion in model container [2024-12-02 14:44:16,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:44:16" (3/3) ... [2024-12-02 14:44:16,705 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i [2024-12-02 14:44:16,719 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:44:16,722 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i that has 2 procedures, 126 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:44:16,775 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:44:16,785 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;@659b5879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:44:16,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:44:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 89 states have (on average 1.449438202247191) internal successors, (129), 90 states have internal predecessors, (129), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 14:44:16,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-12-02 14:44:16,801 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:44:16,802 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:16,802 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:44:16,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:44:16,806 INFO L85 PathProgramCache]: Analyzing trace with hash 725536545, now seen corresponding path program 1 times [2024-12-02 14:44:16,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:44:16,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331262134] [2024-12-02 14:44:16,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:44:16,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:44:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:44:17,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2024-12-02 14:44:17,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:44:17,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331262134] [2024-12-02 14:44:17,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331262134] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:44:17,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683533255] [2024-12-02 14:44:17,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:44:17,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:44:17,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:44:17,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:44:17,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:44:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:44:17,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:44:17,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:44:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2024-12-02 14:44:17,317 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:44:17,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683533255] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:44:17,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:44:17,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:44:17,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417452946] [2024-12-02 14:44:17,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:44:17,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:44:17,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:44:17,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:44:17,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:44:17,341 INFO L87 Difference]: Start difference. First operand has 126 states, 89 states have (on average 1.449438202247191) internal successors, (129), 90 states have internal predecessors, (129), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:44:17,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:44:17,372 INFO L93 Difference]: Finished difference Result 245 states and 422 transitions. [2024-12-02 14:44:17,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:44:17,374 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 218 [2024-12-02 14:44:17,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:44:17,380 INFO L225 Difference]: With dead ends: 245 [2024-12-02 14:44:17,380 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 14:44:17,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 219 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 14:44:17,385 INFO L435 NwaCegarLoop]: 190 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, 190 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 14:44:17,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:44:17,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 14:44:17,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-12-02 14:44:17,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 14:44:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 190 transitions. [2024-12-02 14:44:17,424 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 190 transitions. Word has length 218 [2024-12-02 14:44:17,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:44:17,425 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 190 transitions. [2024-12-02 14:44:17,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:44:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 190 transitions. [2024-12-02 14:44:17,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-12-02 14:44:17,429 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:44:17,429 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:17,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:44:17,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:44:17,630 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:44:17,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:44:17,631 INFO L85 PathProgramCache]: Analyzing trace with hash -2100899495, now seen corresponding path program 1 times [2024-12-02 14:44:17,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:44:17,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408985934] [2024-12-02 14:44:17,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:44:17,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:44:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:44:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:44:18,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:44:18,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408985934] [2024-12-02 14:44:18,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408985934] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:44:18,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:44:18,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:44:18,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580118413] [2024-12-02 14:44:18,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:44:18,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:44:18,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:44:18,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:44:18,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:44:18,132 INFO L87 Difference]: Start difference. First operand 122 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:44:18,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:44:18,364 INFO L93 Difference]: Finished difference Result 361 states and 565 transitions. [2024-12-02 14:44:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:44:18,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-12-02 14:44:18,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:44:18,368 INFO L225 Difference]: With dead ends: 361 [2024-12-02 14:44:18,369 INFO L226 Difference]: Without dead ends: 242 [2024-12-02 14:44:18,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:44:18,370 INFO L435 NwaCegarLoop]: 186 mSDtfsCounter, 128 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:44:18,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 541 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:44:18,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-12-02 14:44:18,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 183. [2024-12-02 14:44:18,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 112 states have (on average 1.3214285714285714) internal successors, (148), 112 states have internal predecessors, (148), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-12-02 14:44:18,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 284 transitions. [2024-12-02 14:44:18,424 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 284 transitions. Word has length 218 [2024-12-02 14:44:18,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:44:18,425 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 284 transitions. [2024-12-02 14:44:18,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:44:18,425 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 284 transitions. [2024-12-02 14:44:18,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 14:44:18,429 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:44:18,429 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:18,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:44:18,429 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:44:18,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:44:18,430 INFO L85 PathProgramCache]: Analyzing trace with hash -728892643, now seen corresponding path program 1 times [2024-12-02 14:44:18,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:44:18,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530805511] [2024-12-02 14:44:18,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:44:18,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:44:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:44:34,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:44:34,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:44:34,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530805511] [2024-12-02 14:44:34,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530805511] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:44:34,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:44:34,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 14:44:34,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154054938] [2024-12-02 14:44:34,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:44:34,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 14:44:34,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:44:34,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 14:44:34,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:44:34,064 INFO L87 Difference]: Start difference. First operand 183 states and 284 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:44:36,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:44:36,304 INFO L93 Difference]: Finished difference Result 539 states and 820 transitions. [2024-12-02 14:44:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:44:36,305 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-12-02 14:44:36,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:44:36,307 INFO L225 Difference]: With dead ends: 539 [2024-12-02 14:44:36,307 INFO L226 Difference]: Without dead ends: 420 [2024-12-02 14:44:36,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:44:36,308 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 728 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:44:36,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 949 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 14:44:36,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-12-02 14:44:36,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 219. [2024-12-02 14:44:36,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 147 states have (on average 1.3537414965986394) internal successors, (199), 147 states have internal predecessors, (199), 68 states have call successors, (68), 3 states have call predecessors, (68), 3 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-12-02 14:44:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 335 transitions. [2024-12-02 14:44:36,341 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 335 transitions. Word has length 219 [2024-12-02 14:44:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:44:36,342 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 335 transitions. [2024-12-02 14:44:36,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:44:36,342 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 335 transitions. [2024-12-02 14:44:36,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 14:44:36,345 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:44:36,346 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:36,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:44:36,346 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:44:36,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:44:36,347 INFO L85 PathProgramCache]: Analyzing trace with hash -470727205, now seen corresponding path program 1 times [2024-12-02 14:44:36,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:44:36,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284520929] [2024-12-02 14:44:36,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:44:36,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:44:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:44:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:44:44,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:44:44,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284520929] [2024-12-02 14:44:44,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284520929] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:44:44,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:44:44,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:44:44,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274151171] [2024-12-02 14:44:44,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:44:44,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:44:44,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:44:44,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:44:44,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:44:44,788 INFO L87 Difference]: Start difference. First operand 219 states and 335 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:44:47,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:44:47,234 INFO L93 Difference]: Finished difference Result 603 states and 916 transitions. [2024-12-02 14:44:47,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:44:47,235 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-12-02 14:44:47,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:44:47,238 INFO L225 Difference]: With dead ends: 603 [2024-12-02 14:44:47,239 INFO L226 Difference]: Without dead ends: 484 [2024-12-02 14:44:47,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=175, Invalid=377, Unknown=0, NotChecked=0, Total=552 [2024-12-02 14:44:47,240 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 683 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:44:47,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 1076 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 14:44:47,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-12-02 14:44:47,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 377. [2024-12-02 14:44:47,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 269 states have (on average 1.4014869888475836) internal successors, (377), 269 states have internal predecessors, (377), 102 states have call successors, (102), 5 states have call predecessors, (102), 5 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 14:44:47,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 581 transitions. [2024-12-02 14:44:47,273 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 581 transitions. Word has length 219 [2024-12-02 14:44:47,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:44:47,274 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 581 transitions. [2024-12-02 14:44:47,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:44:47,274 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 581 transitions. [2024-12-02 14:44:47,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 14:44:47,276 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:44:47,276 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:47,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:44:47,276 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:44:47,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:44:47,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1546541093, now seen corresponding path program 1 times [2024-12-02 14:44:47,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:44:47,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023821192] [2024-12-02 14:44:47,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:44:47,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:44:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:44:47,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:44:47,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:44:47,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023821192] [2024-12-02 14:44:47,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023821192] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:44:47,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:44:47,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:44:47,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701376620] [2024-12-02 14:44:47,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:44:47,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:44:47,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:44:47,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:44:47,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:44:47,361 INFO L87 Difference]: Start difference. First operand 377 states and 581 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:44:47,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:44:47,472 INFO L93 Difference]: Finished difference Result 708 states and 1076 transitions. [2024-12-02 14:44:47,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:44:47,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-12-02 14:44:47,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:44:47,476 INFO L225 Difference]: With dead ends: 708 [2024-12-02 14:44:47,476 INFO L226 Difference]: Without dead ends: 589 [2024-12-02 14:44:47,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:44:47,477 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 203 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:44:47,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 594 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:44:47,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-12-02 14:44:47,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 476. [2024-12-02 14:44:47,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 356 states have (on average 1.4269662921348314) internal successors, (508), 357 states have internal predecessors, (508), 110 states have call successors, (110), 9 states have call predecessors, (110), 9 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-12-02 14:44:47,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 728 transitions. [2024-12-02 14:44:47,503 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 728 transitions. Word has length 219 [2024-12-02 14:44:47,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:44:47,504 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 728 transitions. [2024-12-02 14:44:47,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:44:47,504 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 728 transitions. [2024-12-02 14:44:47,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 14:44:47,505 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:44:47,505 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:47,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:44:47,506 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:44:47,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:44:47,506 INFO L85 PathProgramCache]: Analyzing trace with hash -866482723, now seen corresponding path program 1 times [2024-12-02 14:44:47,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:44:47,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233655233] [2024-12-02 14:44:47,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:44:47,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:44:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:45:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:45:05,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:45:05,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233655233] [2024-12-02 14:45:05,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233655233] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:45:05,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:45:05,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:45:05,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855756460] [2024-12-02 14:45:05,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:45:05,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:45:05,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:45:05,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:45:05,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:45:05,909 INFO L87 Difference]: Start difference. First operand 476 states and 728 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:45:08,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:45:08,101 INFO L93 Difference]: Finished difference Result 941 states and 1421 transitions. [2024-12-02 14:45:08,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:45:08,101 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-12-02 14:45:08,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:45:08,106 INFO L225 Difference]: With dead ends: 941 [2024-12-02 14:45:08,106 INFO L226 Difference]: Without dead ends: 563 [2024-12-02 14:45:08,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2024-12-02 14:45:08,107 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 1006 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:45:08,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 924 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 14:45:08,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-12-02 14:45:08,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 494. [2024-12-02 14:45:08,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 371 states have (on average 1.4070080862533694) internal successors, (522), 372 states have internal predecessors, (522), 110 states have call successors, (110), 12 states have call predecessors, (110), 12 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-12-02 14:45:08,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 742 transitions. [2024-12-02 14:45:08,140 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 742 transitions. Word has length 219 [2024-12-02 14:45:08,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:45:08,140 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 742 transitions. [2024-12-02 14:45:08,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:45:08,141 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 742 transitions. [2024-12-02 14:45:08,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 14:45:08,142 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:45:08,142 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:45:08,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:45:08,142 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:45:08,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:45:08,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1600300763, now seen corresponding path program 1 times [2024-12-02 14:45:08,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:45:08,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929114817] [2024-12-02 14:45:08,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:45:08,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:45:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:46:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:46:04,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:46:04,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929114817] [2024-12-02 14:46:04,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929114817] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:46:04,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:46:04,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 14:46:04,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761396451] [2024-12-02 14:46:04,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:46:04,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:46:04,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:46:04,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:46:04,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:46:04,003 INFO L87 Difference]: Start difference. First operand 494 states and 742 transitions. Second operand has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:46:07,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:46:07,070 INFO L93 Difference]: Finished difference Result 1097 states and 1631 transitions. [2024-12-02 14:46:07,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 14:46:07,071 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-12-02 14:46:07,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:46:07,074 INFO L225 Difference]: With dead ends: 1097 [2024-12-02 14:46:07,074 INFO L226 Difference]: Without dead ends: 891 [2024-12-02 14:46:07,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2024-12-02 14:46:07,075 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 851 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2007 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 2007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:46:07,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 1301 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 2007 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 14:46:07,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2024-12-02 14:46:07,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 653. [2024-12-02 14:46:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 489 states have (on average 1.394683026584867) internal successors, (682), 490 states have internal predecessors, (682), 144 states have call successors, (144), 19 states have call predecessors, (144), 19 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-12-02 14:46:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 970 transitions. [2024-12-02 14:46:07,135 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 970 transitions. Word has length 219 [2024-12-02 14:46:07,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:46:07,135 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 970 transitions. [2024-12-02 14:46:07,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:46:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 970 transitions. [2024-12-02 14:46:07,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 14:46:07,137 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:46:07,137 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:46:07,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:46:07,138 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:46:07,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:46:07,138 INFO L85 PathProgramCache]: Analyzing trace with hash -254603875, now seen corresponding path program 1 times [2024-12-02 14:46:07,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:46:07,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58722837] [2024-12-02 14:46:07,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:46:07,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:46:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:46:26,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:46:26,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:46:26,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58722837] [2024-12-02 14:46:26,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58722837] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:46:26,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:46:26,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:46:26,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616732000] [2024-12-02 14:46:26,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:46:26,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:46:26,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:46:26,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:46:26,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:46:26,304 INFO L87 Difference]: Start difference. First operand 653 states and 970 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 14:46:29,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:46:29,828 INFO L93 Difference]: Finished difference Result 1503 states and 2216 transitions. [2024-12-02 14:46:29,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:46:29,829 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 219 [2024-12-02 14:46:29,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:46:29,834 INFO L225 Difference]: With dead ends: 1503 [2024-12-02 14:46:29,834 INFO L226 Difference]: Without dead ends: 956 [2024-12-02 14:46:29,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=226, Invalid=476, Unknown=0, NotChecked=0, Total=702 [2024-12-02 14:46:29,836 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 718 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:46:29,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 1115 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 1474 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 14:46:29,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2024-12-02 14:46:29,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 663. [2024-12-02 14:46:29,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 499 states have (on average 1.3927855711422845) internal successors, (695), 500 states have internal predecessors, (695), 144 states have call successors, (144), 19 states have call predecessors, (144), 19 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-12-02 14:46:29,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 983 transitions. [2024-12-02 14:46:29,900 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 983 transitions. Word has length 219 [2024-12-02 14:46:29,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:46:29,901 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 983 transitions. [2024-12-02 14:46:29,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 14:46:29,901 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 983 transitions. [2024-12-02 14:46:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 14:46:29,902 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:46:29,903 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:46:29,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:46:29,903 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:46:29,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:46:29,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1076545691, now seen corresponding path program 1 times [2024-12-02 14:46:29,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:46:29,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654581910] [2024-12-02 14:46:29,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:46:29,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:46:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:46:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:46:43,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:46:43,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654581910] [2024-12-02 14:46:43,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654581910] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:46:43,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:46:43,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:46:43,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393865603] [2024-12-02 14:46:43,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:46:43,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:46:43,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:46:43,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:46:43,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:46:43,200 INFO L87 Difference]: Start difference. First operand 663 states and 983 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:46:45,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:46:45,601 INFO L93 Difference]: Finished difference Result 1206 states and 1789 transitions. [2024-12-02 14:46:45,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:46:45,602 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-12-02 14:46:45,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:46:45,605 INFO L225 Difference]: With dead ends: 1206 [2024-12-02 14:46:45,605 INFO L226 Difference]: Without dead ends: 1000 [2024-12-02 14:46:45,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:46:45,606 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 602 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:46:45,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 1410 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 14:46:45,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2024-12-02 14:46:45,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 680. [2024-12-02 14:46:45,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 516 states have (on average 1.4011627906976745) internal successors, (723), 517 states have internal predecessors, (723), 144 states have call successors, (144), 19 states have call predecessors, (144), 19 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-12-02 14:46:45,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1011 transitions. [2024-12-02 14:46:45,655 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1011 transitions. Word has length 219 [2024-12-02 14:46:45,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:46:45,655 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 1011 transitions. [2024-12-02 14:46:45,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:46:45,656 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1011 transitions. [2024-12-02 14:46:45,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 14:46:45,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:46:45,658 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:46:45,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:46:45,658 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:46:45,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:46:45,658 INFO L85 PathProgramCache]: Analyzing trace with hash -889228199, now seen corresponding path program 1 times [2024-12-02 14:46:45,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:46:45,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113183187] [2024-12-02 14:46:45,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:46:45,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:46:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:47:38,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:47:38,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113183187] [2024-12-02 14:47:38,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113183187] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:47:38,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:47:38,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 14:47:38,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274691276] [2024-12-02 14:47:38,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:47:38,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:47:38,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:47:38,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:47:38,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:47:38,823 INFO L87 Difference]: Start difference. First operand 680 states and 1011 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:47:42,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:47:42,008 INFO L93 Difference]: Finished difference Result 1356 states and 2019 transitions. [2024-12-02 14:47:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:47:42,009 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-12-02 14:47:42,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:47:42,012 INFO L225 Difference]: With dead ends: 1356 [2024-12-02 14:47:42,012 INFO L226 Difference]: Without dead ends: 1150 [2024-12-02 14:47:42,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2024-12-02 14:47:42,013 INFO L435 NwaCegarLoop]: 260 mSDtfsCounter, 557 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:47:42,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1326 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 14:47:42,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2024-12-02 14:47:42,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 813. [2024-12-02 14:47:42,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 610 states have (on average 1.3918032786885246) internal successors, (849), 611 states have internal predecessors, (849), 178 states have call successors, (178), 24 states have call predecessors, (178), 24 states have return successors, (178), 177 states have call predecessors, (178), 178 states have call successors, (178) [2024-12-02 14:47:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1205 transitions. [2024-12-02 14:47:42,061 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1205 transitions. Word has length 219 [2024-12-02 14:47:42,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:47:42,061 INFO L471 AbstractCegarLoop]: Abstraction has 813 states and 1205 transitions. [2024-12-02 14:47:42,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:47:42,061 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1205 transitions. [2024-12-02 14:47:42,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 14:47:42,063 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:47:42,063 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:47:42,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:47:42,063 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:47:42,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:47:42,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1550834459, now seen corresponding path program 1 times [2024-12-02 14:47:42,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:47:42,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570838162] [2024-12-02 14:47:42,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:42,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:47:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:54,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:47:54,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:47:54,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570838162] [2024-12-02 14:47:54,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570838162] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:47:54,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:47:54,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 14:47:54,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141307706] [2024-12-02 14:47:54,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:47:54,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:47:54,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:47:54,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:47:54,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:47:54,806 INFO L87 Difference]: Start difference. First operand 813 states and 1205 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:47:56,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:47:56,209 INFO L93 Difference]: Finished difference Result 1748 states and 2587 transitions. [2024-12-02 14:47:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:47:56,210 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-12-02 14:47:56,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:47:56,218 INFO L225 Difference]: With dead ends: 1748 [2024-12-02 14:47:56,218 INFO L226 Difference]: Without dead ends: 1205 [2024-12-02 14:47:56,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:47:56,220 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 431 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:47:56,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1340 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 14:47:56,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2024-12-02 14:47:56,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 815. [2024-12-02 14:47:56,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 612 states have (on average 1.3905228758169934) internal successors, (851), 613 states have internal predecessors, (851), 178 states have call successors, (178), 24 states have call predecessors, (178), 24 states have return successors, (178), 177 states have call predecessors, (178), 178 states have call successors, (178) [2024-12-02 14:47:56,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1207 transitions. [2024-12-02 14:47:56,327 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1207 transitions. Word has length 219 [2024-12-02 14:47:56,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:47:56,327 INFO L471 AbstractCegarLoop]: Abstraction has 815 states and 1207 transitions. [2024-12-02 14:47:56,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:47:56,327 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1207 transitions. [2024-12-02 14:47:56,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 14:47:56,328 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:47:56,329 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:47:56,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:47:56,329 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:47:56,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:47:56,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1199103594, now seen corresponding path program 1 times [2024-12-02 14:47:56,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:47:56,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452977467] [2024-12-02 14:47:56,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:56,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:47:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:47:56,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:47:56,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:47:56,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452977467] [2024-12-02 14:47:56,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452977467] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:47:56,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:47:56,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:47:56,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964679344] [2024-12-02 14:47:56,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:47:56,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:47:56,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:47:56,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:47:56,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:47:56,481 INFO L87 Difference]: Start difference. First operand 815 states and 1207 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:47:56,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:47:56,568 INFO L93 Difference]: Finished difference Result 1108 states and 1659 transitions. [2024-12-02 14:47:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:47:56,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-12-02 14:47:56,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:47:56,571 INFO L225 Difference]: With dead ends: 1108 [2024-12-02 14:47:56,571 INFO L226 Difference]: Without dead ends: 901 [2024-12-02 14:47:56,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:47:56,572 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 98 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:47:56,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 476 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:47:56,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2024-12-02 14:47:56,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 818. [2024-12-02 14:47:56,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 623 states have (on average 1.404494382022472) internal successors, (875), 623 states have internal predecessors, (875), 170 states have call successors, (170), 24 states have call predecessors, (170), 24 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2024-12-02 14:47:56,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1215 transitions. [2024-12-02 14:47:56,645 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1215 transitions. Word has length 220 [2024-12-02 14:47:56,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:47:56,646 INFO L471 AbstractCegarLoop]: Abstraction has 818 states and 1215 transitions. [2024-12-02 14:47:56,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:47:56,646 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1215 transitions. [2024-12-02 14:47:56,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 14:47:56,647 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:47:56,647 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:47:56,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 14:47:56,648 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:47:56,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:47:56,648 INFO L85 PathProgramCache]: Analyzing trace with hash -575903768, now seen corresponding path program 1 times [2024-12-02 14:47:56,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:47:56,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518299583] [2024-12-02 14:47:56,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:47:56,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:47:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:48:13,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:48:13,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:48:13,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518299583] [2024-12-02 14:48:13,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518299583] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:48:13,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:48:13,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 14:48:13,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744266640] [2024-12-02 14:48:13,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:48:13,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 14:48:13,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:48:13,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 14:48:13,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:48:13,468 INFO L87 Difference]: Start difference. First operand 818 states and 1215 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 14:48:19,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:48:19,568 INFO L93 Difference]: Finished difference Result 1340 states and 1985 transitions. [2024-12-02 14:48:19,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 14:48:19,569 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 220 [2024-12-02 14:48:19,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:48:19,573 INFO L225 Difference]: With dead ends: 1340 [2024-12-02 14:48:19,573 INFO L226 Difference]: Without dead ends: 1128 [2024-12-02 14:48:19,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=243, Invalid=749, Unknown=0, NotChecked=0, Total=992 [2024-12-02 14:48:19,575 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 838 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 1742 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:48:19,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 968 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1742 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-12-02 14:48:19,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2024-12-02 14:48:19,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 827. [2024-12-02 14:48:19,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 632 states have (on average 1.4034810126582278) internal successors, (887), 632 states have internal predecessors, (887), 170 states have call successors, (170), 24 states have call predecessors, (170), 24 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2024-12-02 14:48:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1227 transitions. [2024-12-02 14:48:19,669 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1227 transitions. Word has length 220 [2024-12-02 14:48:19,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:48:19,670 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 1227 transitions. [2024-12-02 14:48:19,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 14:48:19,670 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1227 transitions. [2024-12-02 14:48:19,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 14:48:19,672 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:48:19,672 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:19,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 14:48:19,672 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:48:19,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:48:19,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1162709782, now seen corresponding path program 1 times [2024-12-02 14:48:19,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:48:19,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162997348] [2024-12-02 14:48:19,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:48:19,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:48:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:48:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:48:19,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:48:19,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162997348] [2024-12-02 14:48:19,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162997348] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:48:19,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:48:19,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:48:19,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888167933] [2024-12-02 14:48:19,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:48:19,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:48:19,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:48:19,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:48:19,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:48:19,885 INFO L87 Difference]: Start difference. First operand 827 states and 1227 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:48:20,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:48:20,016 INFO L93 Difference]: Finished difference Result 1699 states and 2492 transitions. [2024-12-02 14:48:20,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:48:20,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-12-02 14:48:20,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:48:20,021 INFO L225 Difference]: With dead ends: 1699 [2024-12-02 14:48:20,021 INFO L226 Difference]: Without dead ends: 1004 [2024-12-02 14:48:20,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:48:20,023 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 39 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:48:20,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 608 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:48:20,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2024-12-02 14:48:20,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 905. [2024-12-02 14:48:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 705 states have (on average 1.3872340425531915) internal successors, (978), 706 states have internal predecessors, (978), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 14:48:20,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1326 transitions. [2024-12-02 14:48:20,076 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1326 transitions. Word has length 220 [2024-12-02 14:48:20,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:48:20,076 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1326 transitions. [2024-12-02 14:48:20,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:48:20,077 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1326 transitions. [2024-12-02 14:48:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 14:48:20,078 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:48:20,078 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:20,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 14:48:20,078 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:48:20,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:48:20,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1228778410, now seen corresponding path program 1 times [2024-12-02 14:48:20,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:48:20,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237396321] [2024-12-02 14:48:20,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:48:20,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:48:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:48:38,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:48:38,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:48:38,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237396321] [2024-12-02 14:48:38,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237396321] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:48:38,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:48:38,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 14:48:38,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626328180] [2024-12-02 14:48:38,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:48:38,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:48:38,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:48:38,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:48:38,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:48:38,102 INFO L87 Difference]: Start difference. First operand 905 states and 1326 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:48:39,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:48:39,216 INFO L93 Difference]: Finished difference Result 1471 states and 2143 transitions. [2024-12-02 14:48:39,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:48:39,216 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 220 [2024-12-02 14:48:39,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:48:39,219 INFO L225 Difference]: With dead ends: 1471 [2024-12-02 14:48:39,219 INFO L226 Difference]: Without dead ends: 1221 [2024-12-02 14:48:39,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:48:39,221 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 635 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 14:48:39,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 779 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 14:48:39,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-12-02 14:48:39,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 930. [2024-12-02 14:48:39,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 730 states have (on average 1.395890410958904) internal successors, (1019), 731 states have internal predecessors, (1019), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 14:48:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1367 transitions. [2024-12-02 14:48:39,269 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1367 transitions. Word has length 220 [2024-12-02 14:48:39,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:48:39,269 INFO L471 AbstractCegarLoop]: Abstraction has 930 states and 1367 transitions. [2024-12-02 14:48:39,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:48:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1367 transitions. [2024-12-02 14:48:39,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 14:48:39,271 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:48:39,271 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:39,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 14:48:39,271 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:48:39,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:48:39,272 INFO L85 PathProgramCache]: Analyzing trace with hash -546228952, now seen corresponding path program 1 times [2024-12-02 14:48:39,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:48:39,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194943125] [2024-12-02 14:48:39,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:48:39,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:48:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:48:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:48:54,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:48:54,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194943125] [2024-12-02 14:48:54,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194943125] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:48:54,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:48:54,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 14:48:54,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283770770] [2024-12-02 14:48:54,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:48:54,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 14:48:54,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:48:54,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 14:48:54,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:48:54,303 INFO L87 Difference]: Start difference. First operand 930 states and 1367 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:48:57,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:48:57,524 INFO L93 Difference]: Finished difference Result 1455 states and 2123 transitions. [2024-12-02 14:48:57,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:48:57,525 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 220 [2024-12-02 14:48:57,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:48:57,527 INFO L225 Difference]: With dead ends: 1455 [2024-12-02 14:48:57,527 INFO L226 Difference]: Without dead ends: 1205 [2024-12-02 14:48:57,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=231, Invalid=699, Unknown=0, NotChecked=0, Total=930 [2024-12-02 14:48:57,528 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 885 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 2013 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 2221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 2013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:48:57,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 1090 Invalid, 2221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 2013 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 14:48:57,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2024-12-02 14:48:57,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 930. [2024-12-02 14:48:57,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 730 states have (on average 1.395890410958904) internal successors, (1019), 731 states have internal predecessors, (1019), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 14:48:57,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1367 transitions. [2024-12-02 14:48:57,574 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1367 transitions. Word has length 220 [2024-12-02 14:48:57,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:48:57,575 INFO L471 AbstractCegarLoop]: Abstraction has 930 states and 1367 transitions. [2024-12-02 14:48:57,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:48:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1367 transitions. [2024-12-02 14:48:57,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 14:48:57,576 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:48:57,576 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:57,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 14:48:57,576 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:48:57,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:48:57,577 INFO L85 PathProgramCache]: Analyzing trace with hash 389655148, now seen corresponding path program 1 times [2024-12-02 14:48:57,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:48:57,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532719185] [2024-12-02 14:48:57,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:48:57,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:48:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:48:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:48:58,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:48:58,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532719185] [2024-12-02 14:48:58,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532719185] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:48:58,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:48:58,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 14:48:58,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606675795] [2024-12-02 14:48:58,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:48:58,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:48:58,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:48:58,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:48:58,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:48:58,911 INFO L87 Difference]: Start difference. First operand 930 states and 1367 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:48:59,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:48:59,946 INFO L93 Difference]: Finished difference Result 2262 states and 3275 transitions. [2024-12-02 14:48:59,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 14:48:59,946 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-12-02 14:48:59,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:48:59,958 INFO L225 Difference]: With dead ends: 2262 [2024-12-02 14:48:59,958 INFO L226 Difference]: Without dead ends: 1495 [2024-12-02 14:48:59,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:48:59,960 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 467 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:48:59,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 752 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 14:48:59,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2024-12-02 14:49:00,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1098. [2024-12-02 14:49:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 898 states have (on average 1.400890868596882) internal successors, (1258), 899 states have internal predecessors, (1258), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 14:49:00,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1606 transitions. [2024-12-02 14:49:00,012 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1606 transitions. Word has length 220 [2024-12-02 14:49:00,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:49:00,012 INFO L471 AbstractCegarLoop]: Abstraction has 1098 states and 1606 transitions. [2024-12-02 14:49:00,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:49:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1606 transitions. [2024-12-02 14:49:00,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 14:49:00,014 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:49:00,014 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:49:00,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 14:49:00,015 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:49:00,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:49:00,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1385352214, now seen corresponding path program 1 times [2024-12-02 14:49:00,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:49:00,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279264526] [2024-12-02 14:49:00,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:00,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:49:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:49:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:49:12,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:49:12,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279264526] [2024-12-02 14:49:12,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279264526] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:49:12,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:49:12,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 14:49:12,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40882567] [2024-12-02 14:49:12,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:49:12,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 14:49:12,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:49:12,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 14:49:12,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:49:12,876 INFO L87 Difference]: Start difference. First operand 1098 states and 1606 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:49:15,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:49:15,387 INFO L93 Difference]: Finished difference Result 1942 states and 2809 transitions. [2024-12-02 14:49:15,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:49:15,388 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-12-02 14:49:15,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:49:15,392 INFO L225 Difference]: With dead ends: 1942 [2024-12-02 14:49:15,392 INFO L226 Difference]: Without dead ends: 1642 [2024-12-02 14:49:15,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2024-12-02 14:49:15,393 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 782 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:49:15,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [782 Valid, 968 Invalid, 1516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 14:49:15,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2024-12-02 14:49:15,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1133. [2024-12-02 14:49:15,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 933 states have (on average 1.407288317256163) internal successors, (1313), 934 states have internal predecessors, (1313), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 14:49:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1661 transitions. [2024-12-02 14:49:15,442 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1661 transitions. Word has length 220 [2024-12-02 14:49:15,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:49:15,442 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1661 transitions. [2024-12-02 14:49:15,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:49:15,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1661 transitions. [2024-12-02 14:49:15,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 14:49:15,443 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:49:15,444 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:49:15,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 14:49:15,444 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:49:15,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:49:15,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1277813782, now seen corresponding path program 1 times [2024-12-02 14:49:15,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:49:15,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939092013] [2024-12-02 14:49:15,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:15,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:49:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:49:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:49:21,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:49:21,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939092013] [2024-12-02 14:49:21,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939092013] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:49:21,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:49:21,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 14:49:21,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401894875] [2024-12-02 14:49:21,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:49:21,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:49:21,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:49:21,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:49:21,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:49:21,401 INFO L87 Difference]: Start difference. First operand 1133 states and 1661 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:49:22,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:49:22,338 INFO L93 Difference]: Finished difference Result 2225 states and 3238 transitions. [2024-12-02 14:49:22,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:49:22,339 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-12-02 14:49:22,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:49:22,342 INFO L225 Difference]: With dead ends: 2225 [2024-12-02 14:49:22,342 INFO L226 Difference]: Without dead ends: 1270 [2024-12-02 14:49:22,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:49:22,344 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 308 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:49:22,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 886 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 14:49:22,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2024-12-02 14:49:22,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1135. [2024-12-02 14:49:22,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 935 states have (on average 1.4064171122994653) internal successors, (1315), 936 states have internal predecessors, (1315), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 14:49:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1663 transitions. [2024-12-02 14:49:22,391 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1663 transitions. Word has length 220 [2024-12-02 14:49:22,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:49:22,392 INFO L471 AbstractCegarLoop]: Abstraction has 1135 states and 1663 transitions. [2024-12-02 14:49:22,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:49:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1663 transitions. [2024-12-02 14:49:22,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 14:49:22,393 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:49:22,393 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:49:22,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 14:49:22,393 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:49:22,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:49:22,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1242146152, now seen corresponding path program 1 times [2024-12-02 14:49:22,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:49:22,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345744550] [2024-12-02 14:49:22,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:22,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:49:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:49:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:49:38,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:49:38,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345744550] [2024-12-02 14:49:38,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345744550] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:49:38,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:49:38,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 14:49:38,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515933824] [2024-12-02 14:49:38,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:49:38,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 14:49:38,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:49:38,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 14:49:38,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:49:38,773 INFO L87 Difference]: Start difference. First operand 1135 states and 1663 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:49:41,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:49:41,277 INFO L93 Difference]: Finished difference Result 2235 states and 3247 transitions. [2024-12-02 14:49:41,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:49:41,278 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 220 [2024-12-02 14:49:41,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:49:41,283 INFO L225 Difference]: With dead ends: 2235 [2024-12-02 14:49:41,283 INFO L226 Difference]: Without dead ends: 1278 [2024-12-02 14:49:41,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:49:41,285 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 396 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:49:41,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 1065 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 14:49:41,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2024-12-02 14:49:41,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1133. [2024-12-02 14:49:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 933 states have (on average 1.4062165058949625) internal successors, (1312), 934 states have internal predecessors, (1312), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 14:49:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1660 transitions. [2024-12-02 14:49:41,369 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1660 transitions. Word has length 220 [2024-12-02 14:49:41,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:49:41,369 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1660 transitions. [2024-12-02 14:49:41,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:49:41,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1660 transitions. [2024-12-02 14:49:41,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-02 14:49:41,371 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:49:41,371 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:49:41,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 14:49:41,371 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:49:41,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:49:41,372 INFO L85 PathProgramCache]: Analyzing trace with hash -345079916, now seen corresponding path program 1 times [2024-12-02 14:49:41,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:49:41,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548914943] [2024-12-02 14:49:41,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:41,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:49:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:49:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:49:48,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:49:48,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548914943] [2024-12-02 14:49:48,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548914943] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:49:48,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:49:48,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:49:48,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775125634] [2024-12-02 14:49:48,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:49:48,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:49:48,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:49:48,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:49:48,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:49:48,674 INFO L87 Difference]: Start difference. First operand 1133 states and 1660 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:49:50,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:49:50,685 INFO L93 Difference]: Finished difference Result 1889 states and 2739 transitions. [2024-12-02 14:49:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 14:49:50,685 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-12-02 14:49:50,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:49:50,689 INFO L225 Difference]: With dead ends: 1889 [2024-12-02 14:49:50,689 INFO L226 Difference]: Without dead ends: 1555 [2024-12-02 14:49:50,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=180, Invalid=372, Unknown=0, NotChecked=0, Total=552 [2024-12-02 14:49:50,690 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 521 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 14:49:50,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 828 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 14:49:50,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2024-12-02 14:49:50,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1117. [2024-12-02 14:49:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 917 states have (on average 1.4023991275899672) internal successors, (1286), 918 states have internal predecessors, (1286), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 14:49:50,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1634 transitions. [2024-12-02 14:49:50,758 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1634 transitions. Word has length 221 [2024-12-02 14:49:50,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:49:50,758 INFO L471 AbstractCegarLoop]: Abstraction has 1117 states and 1634 transitions. [2024-12-02 14:49:50,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:49:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1634 transitions. [2024-12-02 14:49:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-02 14:49:50,760 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:49:50,760 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:49:50,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 14:49:50,761 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:49:50,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:49:50,761 INFO L85 PathProgramCache]: Analyzing trace with hash 285396826, now seen corresponding path program 1 times [2024-12-02 14:49:50,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:49:50,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385371893] [2024-12-02 14:49:50,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:50,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:49:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:14,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:50:14,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:50:14,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385371893] [2024-12-02 14:50:14,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385371893] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:50:14,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:50:14,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-12-02 14:50:14,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744633874] [2024-12-02 14:50:14,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:50:14,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 14:50:14,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:50:14,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 14:50:14,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-12-02 14:50:14,122 INFO L87 Difference]: Start difference. First operand 1117 states and 1634 transitions. Second operand has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 21 states have internal predecessors, (54), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-12-02 14:50:19,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:50:19,992 INFO L93 Difference]: Finished difference Result 2027 states and 2913 transitions. [2024-12-02 14:50:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 14:50:19,992 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 21 states have internal predecessors, (54), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 221 [2024-12-02 14:50:19,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:50:19,999 INFO L225 Difference]: With dead ends: 2027 [2024-12-02 14:50:19,999 INFO L226 Difference]: Without dead ends: 1693 [2024-12-02 14:50:20,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=330, Invalid=1076, Unknown=0, NotChecked=0, Total=1406 [2024-12-02 14:50:20,002 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 1297 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 3182 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 3564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 3182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:50:20,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 1469 Invalid, 3564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 3182 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-12-02 14:50:20,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-12-02 14:50:20,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1122. [2024-12-02 14:50:20,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 922 states have (on average 1.4023861171366594) internal successors, (1293), 923 states have internal predecessors, (1293), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 14:50:20,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1641 transitions. [2024-12-02 14:50:20,097 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1641 transitions. Word has length 221 [2024-12-02 14:50:20,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:50:20,097 INFO L471 AbstractCegarLoop]: Abstraction has 1122 states and 1641 transitions. [2024-12-02 14:50:20,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.5714285714285716) internal successors, (54), 21 states have internal predecessors, (54), 4 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-12-02 14:50:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1641 transitions. [2024-12-02 14:50:20,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-02 14:50:20,099 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:50:20,099 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:20,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 14:50:20,100 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:50:20,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:20,100 INFO L85 PathProgramCache]: Analyzing trace with hash -99278890, now seen corresponding path program 1 times [2024-12-02 14:50:20,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:50:20,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225469503] [2024-12-02 14:50:20,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:20,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:50:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:50:35,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:50:35,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225469503] [2024-12-02 14:50:35,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225469503] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:50:35,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:50:35,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 14:50:35,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247922289] [2024-12-02 14:50:35,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:50:35,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 14:50:35,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:50:35,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 14:50:35,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:50:35,263 INFO L87 Difference]: Start difference. First operand 1122 states and 1641 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:50:36,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:50:36,142 INFO L93 Difference]: Finished difference Result 2005 states and 2922 transitions. [2024-12-02 14:50:36,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 14:50:36,143 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-12-02 14:50:36,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:50:36,146 INFO L225 Difference]: With dead ends: 2005 [2024-12-02 14:50:36,147 INFO L226 Difference]: Without dead ends: 1212 [2024-12-02 14:50:36,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:50:36,148 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 511 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:50:36,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 732 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:50:36,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2024-12-02 14:50:36,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1096. [2024-12-02 14:50:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 896 states have (on average 1.4040178571428572) internal successors, (1258), 897 states have internal predecessors, (1258), 174 states have call successors, (174), 25 states have call predecessors, (174), 25 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-12-02 14:50:36,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1606 transitions. [2024-12-02 14:50:36,203 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1606 transitions. Word has length 221 [2024-12-02 14:50:36,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:50:36,203 INFO L471 AbstractCegarLoop]: Abstraction has 1096 states and 1606 transitions. [2024-12-02 14:50:36,203 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:50:36,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1606 transitions. [2024-12-02 14:50:36,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:50:36,204 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:50:36,204 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:36,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 14:50:36,204 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:50:36,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:36,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1720123493, now seen corresponding path program 1 times [2024-12-02 14:50:36,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:50:36,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057742329] [2024-12-02 14:50:36,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:36,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:50:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:50:38,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:50:38,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057742329] [2024-12-02 14:50:38,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057742329] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:50:38,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:50:38,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:50:38,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46104906] [2024-12-02 14:50:38,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:50:38,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:50:38,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:50:38,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:50:38,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:50:38,303 INFO L87 Difference]: Start difference. First operand 1096 states and 1606 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:50:39,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:50:39,872 INFO L93 Difference]: Finished difference Result 1265 states and 1823 transitions. [2024-12-02 14:50:39,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:50:39,872 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 222 [2024-12-02 14:50:39,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:50:39,875 INFO L225 Difference]: With dead ends: 1265 [2024-12-02 14:50:39,875 INFO L226 Difference]: Without dead ends: 1263 [2024-12-02 14:50:39,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2024-12-02 14:50:39,876 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 528 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:50:39,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 1559 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 14:50:39,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2024-12-02 14:50:39,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1136. [2024-12-02 14:50:39,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 933 states have (on average 1.3987138263665595) internal successors, (1305), 935 states have internal predecessors, (1305), 176 states have call successors, (176), 26 states have call predecessors, (176), 26 states have return successors, (176), 174 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 14:50:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1657 transitions. [2024-12-02 14:50:39,936 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1657 transitions. Word has length 222 [2024-12-02 14:50:39,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:50:39,936 INFO L471 AbstractCegarLoop]: Abstraction has 1136 states and 1657 transitions. [2024-12-02 14:50:39,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:50:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1657 transitions. [2024-12-02 14:50:39,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:50:39,937 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:50:39,938 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:39,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 14:50:39,938 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:50:39,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:39,938 INFO L85 PathProgramCache]: Analyzing trace with hash -405561189, now seen corresponding path program 1 times [2024-12-02 14:50:39,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:50:39,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745112065] [2024-12-02 14:50:39,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:39,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:50:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:50:42,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:50:42,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745112065] [2024-12-02 14:50:42,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745112065] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:50:42,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:50:42,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:50:42,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396282276] [2024-12-02 14:50:42,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:50:42,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:50:42,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:50:42,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:50:42,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:50:42,774 INFO L87 Difference]: Start difference. First operand 1136 states and 1657 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 14:50:45,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:50:45,647 INFO L93 Difference]: Finished difference Result 1813 states and 2634 transitions. [2024-12-02 14:50:45,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 14:50:45,648 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 222 [2024-12-02 14:50:45,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:50:45,651 INFO L225 Difference]: With dead ends: 1813 [2024-12-02 14:50:45,651 INFO L226 Difference]: Without dead ends: 1446 [2024-12-02 14:50:45,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=164, Invalid=592, Unknown=0, NotChecked=0, Total=756 [2024-12-02 14:50:45,652 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 772 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 2314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:50:45,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 1357 Invalid, 2314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 14:50:45,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2024-12-02 14:50:45,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1357. [2024-12-02 14:50:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1129 states have (on average 1.3923826395039858) internal successors, (1572), 1134 states have internal predecessors, (1572), 196 states have call successors, (196), 31 states have call predecessors, (196), 31 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-12-02 14:50:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1964 transitions. [2024-12-02 14:50:45,743 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1964 transitions. Word has length 222 [2024-12-02 14:50:45,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:50:45,743 INFO L471 AbstractCegarLoop]: Abstraction has 1357 states and 1964 transitions. [2024-12-02 14:50:45,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 14:50:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1964 transitions. [2024-12-02 14:50:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:50:45,744 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:50:45,744 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:45,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 14:50:45,744 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:50:45,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:45,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1294980125, now seen corresponding path program 1 times [2024-12-02 14:50:45,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:50:45,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505031991] [2024-12-02 14:50:45,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:45,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:50:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:50:47,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:50:47,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505031991] [2024-12-02 14:50:47,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505031991] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:50:47,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:50:47,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 14:50:47,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803815760] [2024-12-02 14:50:47,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:50:47,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:50:47,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:50:47,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:50:47,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:50:47,553 INFO L87 Difference]: Start difference. First operand 1357 states and 1964 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:50:48,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:50:48,523 INFO L93 Difference]: Finished difference Result 1628 states and 2306 transitions. [2024-12-02 14:50:48,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:50:48,523 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-12-02 14:50:48,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:50:48,529 INFO L225 Difference]: With dead ends: 1628 [2024-12-02 14:50:48,529 INFO L226 Difference]: Without dead ends: 1626 [2024-12-02 14:50:48,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:50:48,531 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 217 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:50:48,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1328 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:50:48,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2024-12-02 14:50:48,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 1378. [2024-12-02 14:50:48,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1150 states have (on average 1.3895652173913045) internal successors, (1598), 1155 states have internal predecessors, (1598), 196 states have call successors, (196), 31 states have call predecessors, (196), 31 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-12-02 14:50:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1990 transitions. [2024-12-02 14:50:48,641 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1990 transitions. Word has length 222 [2024-12-02 14:50:48,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:50:48,642 INFO L471 AbstractCegarLoop]: Abstraction has 1378 states and 1990 transitions. [2024-12-02 14:50:48,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:50:48,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1990 transitions. [2024-12-02 14:50:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:50:48,643 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:50:48,643 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:48,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 14:50:48,643 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:50:48,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:48,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1685424867, now seen corresponding path program 1 times [2024-12-02 14:50:48,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:50:48,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284929380] [2024-12-02 14:50:48,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:48,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:50:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:50:51,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:50:51,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284929380] [2024-12-02 14:50:51,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284929380] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:50:51,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:50:51,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 14:50:51,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109608072] [2024-12-02 14:50:51,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:50:51,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 14:50:51,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:50:51,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 14:50:51,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:50:51,122 INFO L87 Difference]: Start difference. First operand 1378 states and 1990 transitions. Second operand has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 14:50:53,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:50:53,542 INFO L93 Difference]: Finished difference Result 2061 states and 2947 transitions. [2024-12-02 14:50:53,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 14:50:53,542 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 222 [2024-12-02 14:50:53,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:50:53,546 INFO L225 Difference]: With dead ends: 2061 [2024-12-02 14:50:53,546 INFO L226 Difference]: Without dead ends: 1501 [2024-12-02 14:50:53,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2024-12-02 14:50:53,548 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 407 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 1825 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 1872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:50:53,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 1177 Invalid, 1872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1825 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 14:50:53,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2024-12-02 14:50:53,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1332. [2024-12-02 14:50:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1106 states have (on average 1.3869801084990958) internal successors, (1534), 1108 states have internal predecessors, (1534), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:50:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1914 transitions. [2024-12-02 14:50:53,620 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1914 transitions. Word has length 222 [2024-12-02 14:50:53,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:50:53,620 INFO L471 AbstractCegarLoop]: Abstraction has 1332 states and 1914 transitions. [2024-12-02 14:50:53,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 14:50:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1914 transitions. [2024-12-02 14:50:53,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:50:53,621 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:50:53,621 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:53,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 14:50:53,621 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:50:53,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:53,622 INFO L85 PathProgramCache]: Analyzing trace with hash -975805105, now seen corresponding path program 1 times [2024-12-02 14:50:53,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:50:53,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652613787] [2024-12-02 14:50:53,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:53,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:50:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:06,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:51:06,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:51:06,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652613787] [2024-12-02 14:51:06,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652613787] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:06,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:51:06,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 14:51:06,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554942910] [2024-12-02 14:51:06,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:06,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 14:51:06,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:51:06,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 14:51:06,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:51:06,786 INFO L87 Difference]: Start difference. First operand 1332 states and 1914 transitions. Second operand has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:08,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:51:08,119 INFO L93 Difference]: Finished difference Result 2490 states and 3515 transitions. [2024-12-02 14:51:08,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:51:08,119 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-12-02 14:51:08,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:51:08,123 INFO L225 Difference]: With dead ends: 2490 [2024-12-02 14:51:08,123 INFO L226 Difference]: Without dead ends: 1980 [2024-12-02 14:51:08,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:51:08,125 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 541 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 14:51:08,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 896 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 14:51:08,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2024-12-02 14:51:08,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1351. [2024-12-02 14:51:08,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1125 states have (on average 1.3902222222222222) internal successors, (1564), 1127 states have internal predecessors, (1564), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:51:08,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1944 transitions. [2024-12-02 14:51:08,201 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1944 transitions. Word has length 222 [2024-12-02 14:51:08,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:51:08,201 INFO L471 AbstractCegarLoop]: Abstraction has 1351 states and 1944 transitions. [2024-12-02 14:51:08,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1944 transitions. [2024-12-02 14:51:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:51:08,202 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:08,202 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:08,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 14:51:08,202 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:08,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:08,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1027570907, now seen corresponding path program 1 times [2024-12-02 14:51:08,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:51:08,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271986708] [2024-12-02 14:51:08,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:08,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:51:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:51:10,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:51:10,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271986708] [2024-12-02 14:51:10,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271986708] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:10,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:51:10,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 14:51:10,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951183420] [2024-12-02 14:51:10,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:10,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 14:51:10,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:51:10,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 14:51:10,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:51:10,483 INFO L87 Difference]: Start difference. First operand 1351 states and 1944 transitions. Second operand has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:14,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:51:14,009 INFO L93 Difference]: Finished difference Result 3322 states and 4677 transitions. [2024-12-02 14:51:14,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 14:51:14,009 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-12-02 14:51:14,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:51:14,015 INFO L225 Difference]: With dead ends: 3322 [2024-12-02 14:51:14,016 INFO L226 Difference]: Without dead ends: 2176 [2024-12-02 14:51:14,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2024-12-02 14:51:14,018 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 767 mSDsluCounter, 1465 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 1634 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:51:14,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 1634 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1758 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 14:51:14,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2024-12-02 14:51:14,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 1462. [2024-12-02 14:51:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1236 states have (on average 1.3867313915857604) internal successors, (1714), 1238 states have internal predecessors, (1714), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:51:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2094 transitions. [2024-12-02 14:51:14,127 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2094 transitions. Word has length 222 [2024-12-02 14:51:14,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:51:14,128 INFO L471 AbstractCegarLoop]: Abstraction has 1462 states and 2094 transitions. [2024-12-02 14:51:14,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2094 transitions. [2024-12-02 14:51:14,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:51:14,129 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:14,129 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:14,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 14:51:14,129 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:14,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:14,129 INFO L85 PathProgramCache]: Analyzing trace with hash -252292771, now seen corresponding path program 1 times [2024-12-02 14:51:14,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:51:14,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210291325] [2024-12-02 14:51:14,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:14,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:51:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:51:16,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:51:16,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210291325] [2024-12-02 14:51:16,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210291325] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:16,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:51:16,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 14:51:16,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311282117] [2024-12-02 14:51:16,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:16,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 14:51:16,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:51:16,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 14:51:16,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:51:16,677 INFO L87 Difference]: Start difference. First operand 1462 states and 2094 transitions. Second operand has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:20,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:51:20,773 INFO L93 Difference]: Finished difference Result 2584 states and 3624 transitions. [2024-12-02 14:51:20,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-02 14:51:20,773 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-12-02 14:51:20,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:51:20,779 INFO L225 Difference]: With dead ends: 2584 [2024-12-02 14:51:20,779 INFO L226 Difference]: Without dead ends: 2038 [2024-12-02 14:51:20,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=267, Invalid=789, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 14:51:20,781 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 748 mSDsluCounter, 1304 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 1907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:51:20,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 1477 Invalid, 1907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 14:51:20,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2024-12-02 14:51:20,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 1549. [2024-12-02 14:51:20,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1549 states, 1323 states have (on average 1.3907785336356764) internal successors, (1840), 1325 states have internal predecessors, (1840), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:51:20,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2220 transitions. [2024-12-02 14:51:20,871 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2220 transitions. Word has length 222 [2024-12-02 14:51:20,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:51:20,871 INFO L471 AbstractCegarLoop]: Abstraction has 1549 states and 2220 transitions. [2024-12-02 14:51:20,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.4375) internal successors, (55), 16 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:20,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2220 transitions. [2024-12-02 14:51:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:51:20,873 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:20,873 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:20,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 14:51:20,873 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:20,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:20,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1669127451, now seen corresponding path program 1 times [2024-12-02 14:51:20,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:51:20,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65751630] [2024-12-02 14:51:20,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:51:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:22,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:51:22,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:51:22,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65751630] [2024-12-02 14:51:22,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65751630] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:22,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:51:22,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 14:51:22,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688254613] [2024-12-02 14:51:22,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:22,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:51:22,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:51:22,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:51:22,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:51:22,762 INFO L87 Difference]: Start difference. First operand 1549 states and 2220 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:23,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:51:23,797 INFO L93 Difference]: Finished difference Result 1871 states and 2631 transitions. [2024-12-02 14:51:23,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 14:51:23,798 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-12-02 14:51:23,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:51:23,802 INFO L225 Difference]: With dead ends: 1871 [2024-12-02 14:51:23,802 INFO L226 Difference]: Without dead ends: 1869 [2024-12-02 14:51:23,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:51:23,803 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 92 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:51:23,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1318 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:51:23,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2024-12-02 14:51:23,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 1615. [2024-12-02 14:51:23,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1615 states, 1389 states have (on average 1.3938084953203744) internal successors, (1936), 1391 states have internal predecessors, (1936), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:51:23,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 2316 transitions. [2024-12-02 14:51:23,918 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 2316 transitions. Word has length 222 [2024-12-02 14:51:23,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:51:23,918 INFO L471 AbstractCegarLoop]: Abstraction has 1615 states and 2316 transitions. [2024-12-02 14:51:23,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 2316 transitions. [2024-12-02 14:51:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:51:23,920 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:23,920 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:23,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 14:51:23,920 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:23,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:23,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1311277541, now seen corresponding path program 1 times [2024-12-02 14:51:23,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:51:23,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992763801] [2024-12-02 14:51:23,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:23,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:51:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:25,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:51:25,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:51:25,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992763801] [2024-12-02 14:51:25,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992763801] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:25,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:51:25,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 14:51:25,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840276951] [2024-12-02 14:51:25,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:25,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:51:25,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:51:25,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:51:25,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:51:25,660 INFO L87 Difference]: Start difference. First operand 1615 states and 2316 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:26,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:51:26,718 INFO L93 Difference]: Finished difference Result 2511 states and 3570 transitions. [2024-12-02 14:51:26,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:51:26,719 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-12-02 14:51:26,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:51:26,722 INFO L225 Difference]: With dead ends: 2511 [2024-12-02 14:51:26,722 INFO L226 Difference]: Without dead ends: 1889 [2024-12-02 14:51:26,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:51:26,724 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 211 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1468 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:51:26,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1468 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 14:51:26,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2024-12-02 14:51:26,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1578. [2024-12-02 14:51:26,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1578 states, 1352 states have (on average 1.3742603550295858) internal successors, (1858), 1354 states have internal predecessors, (1858), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:51:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 2238 transitions. [2024-12-02 14:51:26,844 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 2238 transitions. Word has length 222 [2024-12-02 14:51:26,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:51:26,844 INFO L471 AbstractCegarLoop]: Abstraction has 1578 states and 2238 transitions. [2024-12-02 14:51:26,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2238 transitions. [2024-12-02 14:51:26,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:51:26,846 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:26,846 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:26,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 14:51:26,847 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:26,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:26,847 INFO L85 PathProgramCache]: Analyzing trace with hash 389263773, now seen corresponding path program 1 times [2024-12-02 14:51:26,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:51:26,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493345852] [2024-12-02 14:51:26,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:26,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:51:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:51:29,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:51:29,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493345852] [2024-12-02 14:51:29,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493345852] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:29,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:51:29,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 14:51:29,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172733913] [2024-12-02 14:51:29,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:29,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 14:51:29,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:51:29,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 14:51:29,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:51:29,494 INFO L87 Difference]: Start difference. First operand 1578 states and 2238 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:51:31,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:51:31,756 INFO L93 Difference]: Finished difference Result 1757 states and 2453 transitions. [2024-12-02 14:51:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:51:31,757 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 222 [2024-12-02 14:51:31,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:51:31,761 INFO L225 Difference]: With dead ends: 1757 [2024-12-02 14:51:31,761 INFO L226 Difference]: Without dead ends: 1755 [2024-12-02 14:51:31,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=113, Invalid=537, Unknown=0, NotChecked=0, Total=650 [2024-12-02 14:51:31,762 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 233 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:51:31,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1177 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 14:51:31,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2024-12-02 14:51:31,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1570. [2024-12-02 14:51:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1344 states have (on average 1.3742559523809523) internal successors, (1847), 1346 states have internal predecessors, (1847), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:51:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2227 transitions. [2024-12-02 14:51:31,851 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2227 transitions. Word has length 222 [2024-12-02 14:51:31,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:51:31,851 INFO L471 AbstractCegarLoop]: Abstraction has 1570 states and 2227 transitions. [2024-12-02 14:51:31,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:51:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2227 transitions. [2024-12-02 14:51:31,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:51:31,853 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:31,853 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:31,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 14:51:31,853 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:31,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:31,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1703826077, now seen corresponding path program 1 times [2024-12-02 14:51:31,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:51:31,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088620154] [2024-12-02 14:51:31,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:31,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:51:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:51:33,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:51:33,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088620154] [2024-12-02 14:51:33,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088620154] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:33,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:51:33,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 14:51:33,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895403396] [2024-12-02 14:51:33,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:33,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:51:33,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:51:33,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:51:33,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:51:33,312 INFO L87 Difference]: Start difference. First operand 1570 states and 2227 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:34,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:51:34,504 INFO L93 Difference]: Finished difference Result 1825 states and 2543 transitions. [2024-12-02 14:51:34,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:51:34,505 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-12-02 14:51:34,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:51:34,509 INFO L225 Difference]: With dead ends: 1825 [2024-12-02 14:51:34,509 INFO L226 Difference]: Without dead ends: 1823 [2024-12-02 14:51:34,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-12-02 14:51:34,510 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 211 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 14:51:34,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 1380 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 14:51:34,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2024-12-02 14:51:34,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1573. [2024-12-02 14:51:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1347 states have (on average 1.3734224201930216) internal successors, (1850), 1349 states have internal predecessors, (1850), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:51:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2230 transitions. [2024-12-02 14:51:34,603 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2230 transitions. Word has length 222 [2024-12-02 14:51:34,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:51:34,603 INFO L471 AbstractCegarLoop]: Abstraction has 1573 states and 2230 transitions. [2024-12-02 14:51:34,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2230 transitions. [2024-12-02 14:51:34,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 14:51:34,604 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:34,604 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:34,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 14:51:34,605 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:34,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:34,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1037844719, now seen corresponding path program 1 times [2024-12-02 14:51:34,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:51:34,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180406145] [2024-12-02 14:51:34,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:34,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:51:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:48,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:51:48,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:51:48,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180406145] [2024-12-02 14:51:48,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180406145] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:48,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:51:48,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 14:51:48,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554713304] [2024-12-02 14:51:48,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:48,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 14:51:48,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:51:48,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 14:51:48,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:51:48,415 INFO L87 Difference]: Start difference. First operand 1573 states and 2230 transitions. Second operand has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:51:50,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:51:50,946 INFO L93 Difference]: Finished difference Result 2859 states and 3985 transitions. [2024-12-02 14:51:50,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:51:50,947 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 222 [2024-12-02 14:51:50,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:51:50,951 INFO L225 Difference]: With dead ends: 2859 [2024-12-02 14:51:50,951 INFO L226 Difference]: Without dead ends: 2314 [2024-12-02 14:51:50,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-12-02 14:51:50,952 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 601 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 1813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:51:50,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 1409 Invalid, 1813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1675 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 14:51:50,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2024-12-02 14:51:51,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 1554. [2024-12-02 14:51:51,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1328 states have (on average 1.3704819277108433) internal successors, (1820), 1330 states have internal predecessors, (1820), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:51:51,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2200 transitions. [2024-12-02 14:51:51,048 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2200 transitions. Word has length 222 [2024-12-02 14:51:51,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:51:51,048 INFO L471 AbstractCegarLoop]: Abstraction has 1554 states and 2200 transitions. [2024-12-02 14:51:51,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.9285714285714284) internal successors, (55), 14 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:51:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2200 transitions. [2024-12-02 14:51:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 14:51:51,049 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:51,049 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:51,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 14:51:51,049 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:51,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:51,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1914334068, now seen corresponding path program 1 times [2024-12-02 14:51:51,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:51:51,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918868917] [2024-12-02 14:51:51,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:51,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:51:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:51:51,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:51:51,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918868917] [2024-12-02 14:51:51,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918868917] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:51,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:51:51,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:51:51,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392969781] [2024-12-02 14:51:51,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:51,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:51:51,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:51:51,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:51:51,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:51:51,136 INFO L87 Difference]: Start difference. First operand 1554 states and 2200 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:51,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:51:51,434 INFO L93 Difference]: Finished difference Result 3204 states and 4478 transitions. [2024-12-02 14:51:51,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:51:51,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-12-02 14:51:51,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:51:51,439 INFO L225 Difference]: With dead ends: 3204 [2024-12-02 14:51:51,439 INFO L226 Difference]: Without dead ends: 1845 [2024-12-02 14:51:51,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:51:51,441 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 65 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:51:51,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 732 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:51:51,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2024-12-02 14:51:51,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1598. [2024-12-02 14:51:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1598 states, 1372 states have (on average 1.3637026239067056) internal successors, (1871), 1374 states have internal predecessors, (1871), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:51:51,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1598 states and 2251 transitions. [2024-12-02 14:51:51,536 INFO L78 Accepts]: Start accepts. Automaton has 1598 states and 2251 transitions. Word has length 224 [2024-12-02 14:51:51,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:51:51,536 INFO L471 AbstractCegarLoop]: Abstraction has 1598 states and 2251 transitions. [2024-12-02 14:51:51,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:51,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2251 transitions. [2024-12-02 14:51:51,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 14:51:51,537 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:51,537 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:51,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 14:51:51,537 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:51,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:51,538 INFO L85 PathProgramCache]: Analyzing trace with hash 521748290, now seen corresponding path program 1 times [2024-12-02 14:51:51,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:51:51,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899098468] [2024-12-02 14:51:51,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:51,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:51:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:51:51,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:51:51,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:51:51,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899098468] [2024-12-02 14:51:51,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899098468] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:51:51,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:51:51,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:51:51,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561138883] [2024-12-02 14:51:51,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:51:51,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:51:51,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:51:51,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:51:51,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:51:51,621 INFO L87 Difference]: Start difference. First operand 1598 states and 2251 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:51,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:51:51,886 INFO L93 Difference]: Finished difference Result 3483 states and 4845 transitions. [2024-12-02 14:51:51,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:51:51,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-12-02 14:51:51,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:51:51,891 INFO L225 Difference]: With dead ends: 3483 [2024-12-02 14:51:51,891 INFO L226 Difference]: Without dead ends: 2080 [2024-12-02 14:51:51,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:51:51,893 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 67 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:51:51,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 678 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:51:51,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2080 states. [2024-12-02 14:51:51,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2080 to 1843. [2024-12-02 14:51:51,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1843 states, 1617 states have (on average 1.357452071737786) internal successors, (2195), 1619 states have internal predecessors, (2195), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:51:51,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2575 transitions. [2024-12-02 14:51:51,991 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2575 transitions. Word has length 224 [2024-12-02 14:51:51,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:51:51,991 INFO L471 AbstractCegarLoop]: Abstraction has 1843 states and 2575 transitions. [2024-12-02 14:51:51,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:51:51,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2575 transitions. [2024-12-02 14:51:51,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 14:51:51,992 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:51:51,992 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:51:51,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 14:51:51,993 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:51:51,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:51:51,993 INFO L85 PathProgramCache]: Analyzing trace with hash 891721197, now seen corresponding path program 1 times [2024-12-02 14:51:51,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:51:51,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994006038] [2024-12-02 14:51:51,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:51:51,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:51:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:11,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:11,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994006038] [2024-12-02 14:52:11,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994006038] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:11,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:11,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 14:52:11,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610420715] [2024-12-02 14:52:11,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:11,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:52:11,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:11,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:52:11,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:52:11,312 INFO L87 Difference]: Start difference. First operand 1843 states and 2575 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:12,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:12,678 INFO L93 Difference]: Finished difference Result 3432 states and 4700 transitions. [2024-12-02 14:52:12,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:52:12,679 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-12-02 14:52:12,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:12,684 INFO L225 Difference]: With dead ends: 3432 [2024-12-02 14:52:12,684 INFO L226 Difference]: Without dead ends: 2791 [2024-12-02 14:52:12,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:52:12,686 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 631 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:12,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 844 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 14:52:12,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2791 states. [2024-12-02 14:52:12,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2791 to 1840. [2024-12-02 14:52:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1614 states have (on average 1.3568773234200744) internal successors, (2190), 1616 states have internal predecessors, (2190), 190 states have call successors, (190), 35 states have call predecessors, (190), 35 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:52:12,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2570 transitions. [2024-12-02 14:52:12,807 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2570 transitions. Word has length 224 [2024-12-02 14:52:12,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:12,808 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2570 transitions. [2024-12-02 14:52:12,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:12,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2570 transitions. [2024-12-02 14:52:12,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 14:52:12,809 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:12,809 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:12,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 14:52:12,809 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:12,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:12,809 INFO L85 PathProgramCache]: Analyzing trace with hash -60450293, now seen corresponding path program 1 times [2024-12-02 14:52:12,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:12,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285401986] [2024-12-02 14:52:12,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:12,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:12,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:12,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285401986] [2024-12-02 14:52:12,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285401986] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:12,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:12,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:52:12,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911198627] [2024-12-02 14:52:12,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:12,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:52:12,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:12,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:52:12,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:52:12,901 INFO L87 Difference]: Start difference. First operand 1840 states and 2570 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:13,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:13,143 INFO L93 Difference]: Finished difference Result 3942 states and 5429 transitions. [2024-12-02 14:52:13,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:52:13,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 225 [2024-12-02 14:52:13,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:13,149 INFO L225 Difference]: With dead ends: 3942 [2024-12-02 14:52:13,149 INFO L226 Difference]: Without dead ends: 2269 [2024-12-02 14:52:13,151 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 14:52:13,152 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 55 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:13,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 365 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:52:13,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2024-12-02 14:52:13,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2256. [2024-12-02 14:52:13,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2256 states, 1980 states have (on average 1.312121212121212) internal successors, (2598), 1988 states have internal predecessors, (2598), 224 states have call successors, (224), 51 states have call predecessors, (224), 51 states have return successors, (224), 216 states have call predecessors, (224), 224 states have call successors, (224) [2024-12-02 14:52:13,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 3046 transitions. [2024-12-02 14:52:13,347 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 3046 transitions. Word has length 225 [2024-12-02 14:52:13,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:13,347 INFO L471 AbstractCegarLoop]: Abstraction has 2256 states and 3046 transitions. [2024-12-02 14:52:13,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 3046 transitions. [2024-12-02 14:52:13,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 14:52:13,348 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:13,348 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:13,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-12-02 14:52:13,349 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:13,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:13,349 INFO L85 PathProgramCache]: Analyzing trace with hash -224360390, now seen corresponding path program 1 times [2024-12-02 14:52:13,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:13,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048615780] [2024-12-02 14:52:13,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:13,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:13,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:13,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048615780] [2024-12-02 14:52:13,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048615780] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:13,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:13,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:52:13,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541308272] [2024-12-02 14:52:13,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:13,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:52:13,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:13,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:52:13,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:52:13,434 INFO L87 Difference]: Start difference. First operand 2256 states and 3046 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:13,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:13,622 INFO L93 Difference]: Finished difference Result 4089 states and 5518 transitions. [2024-12-02 14:52:13,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:52:13,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-12-02 14:52:13,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:13,627 INFO L225 Difference]: With dead ends: 4089 [2024-12-02 14:52:13,627 INFO L226 Difference]: Without dead ends: 2052 [2024-12-02 14:52:13,630 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 14:52:13,630 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 43 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:13,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 362 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:52:13,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2024-12-02 14:52:13,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1840. [2024-12-02 14:52:13,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1608 states have (on average 1.320273631840796) internal successors, (2123), 1610 states have internal predecessors, (2123), 190 states have call successors, (190), 41 states have call predecessors, (190), 41 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:52:13,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2503 transitions. [2024-12-02 14:52:13,748 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2503 transitions. Word has length 226 [2024-12-02 14:52:13,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:13,749 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2503 transitions. [2024-12-02 14:52:13,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2503 transitions. [2024-12-02 14:52:13,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 14:52:13,750 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:13,750 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:13,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-12-02 14:52:13,750 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:13,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:13,750 INFO L85 PathProgramCache]: Analyzing trace with hash 279534939, now seen corresponding path program 1 times [2024-12-02 14:52:13,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:13,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595670057] [2024-12-02 14:52:13,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:13,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:15,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:15,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:15,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595670057] [2024-12-02 14:52:15,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595670057] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:15,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:15,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:52:15,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218433785] [2024-12-02 14:52:15,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:15,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:52:15,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:15,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:52:15,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:52:15,484 INFO L87 Difference]: Start difference. First operand 1840 states and 2503 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:16,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:16,550 INFO L93 Difference]: Finished difference Result 2136 states and 2847 transitions. [2024-12-02 14:52:16,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:52:16,551 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-12-02 14:52:16,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:16,554 INFO L225 Difference]: With dead ends: 2136 [2024-12-02 14:52:16,555 INFO L226 Difference]: Without dead ends: 2134 [2024-12-02 14:52:16,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:52:16,555 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 172 mSDsluCounter, 1731 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:16,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 1975 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:52:16,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2024-12-02 14:52:16,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 1854. [2024-12-02 14:52:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1854 states, 1622 states have (on average 1.3193588162762022) internal successors, (2140), 1624 states have internal predecessors, (2140), 190 states have call successors, (190), 41 states have call predecessors, (190), 41 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-12-02 14:52:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1854 states and 2520 transitions. [2024-12-02 14:52:16,659 INFO L78 Accepts]: Start accepts. Automaton has 1854 states and 2520 transitions. Word has length 226 [2024-12-02 14:52:16,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:16,659 INFO L471 AbstractCegarLoop]: Abstraction has 1854 states and 2520 transitions. [2024-12-02 14:52:16,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2520 transitions. [2024-12-02 14:52:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 14:52:16,660 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:16,661 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:16,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-12-02 14:52:16,661 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:16,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:16,661 INFO L85 PathProgramCache]: Analyzing trace with hash 853524059, now seen corresponding path program 1 times [2024-12-02 14:52:16,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:16,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890679936] [2024-12-02 14:52:16,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:16,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:20,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:20,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890679936] [2024-12-02 14:52:20,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890679936] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:20,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:20,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-12-02 14:52:20,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228536052] [2024-12-02 14:52:20,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:20,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 14:52:20,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:20,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 14:52:20,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-12-02 14:52:20,125 INFO L87 Difference]: Start difference. First operand 1854 states and 2520 transitions. Second operand has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 19 states have internal predecessors, (59), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 14:52:23,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:23,010 INFO L93 Difference]: Finished difference Result 2618 states and 3528 transitions. [2024-12-02 14:52:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 14:52:23,010 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 19 states have internal predecessors, (59), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 226 [2024-12-02 14:52:23,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:23,013 INFO L225 Difference]: With dead ends: 2618 [2024-12-02 14:52:23,013 INFO L226 Difference]: Without dead ends: 1966 [2024-12-02 14:52:23,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=195, Invalid=861, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 14:52:23,015 INFO L435 NwaCegarLoop]: 325 mSDtfsCounter, 395 mSDsluCounter, 1662 mSDsCounter, 0 mSdLazyCounter, 2520 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 1987 SdHoareTripleChecker+Invalid, 2625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 2520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:23,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 1987 Invalid, 2625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 2520 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-02 14:52:23,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2024-12-02 14:52:23,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1724. [2024-12-02 14:52:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1478 states have (on average 1.2997293640054126) internal successors, (1921), 1481 states have internal predecessors, (1921), 200 states have call successors, (200), 45 states have call predecessors, (200), 45 states have return successors, (200), 197 states have call predecessors, (200), 200 states have call successors, (200) [2024-12-02 14:52:23,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2321 transitions. [2024-12-02 14:52:23,133 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2321 transitions. Word has length 226 [2024-12-02 14:52:23,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:23,133 INFO L471 AbstractCegarLoop]: Abstraction has 1724 states and 2321 transitions. [2024-12-02 14:52:23,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 19 states have internal predecessors, (59), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 14:52:23,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2321 transitions. [2024-12-02 14:52:23,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 14:52:23,134 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:23,134 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:23,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-12-02 14:52:23,134 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:23,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:23,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1308812963, now seen corresponding path program 1 times [2024-12-02 14:52:23,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:23,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458478799] [2024-12-02 14:52:23,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:23,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:24,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:24,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458478799] [2024-12-02 14:52:24,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458478799] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:24,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:24,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:52:24,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93595438] [2024-12-02 14:52:24,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:24,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:52:24,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:24,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:52:24,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:52:24,969 INFO L87 Difference]: Start difference. First operand 1724 states and 2321 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:25,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:25,999 INFO L93 Difference]: Finished difference Result 2047 states and 2691 transitions. [2024-12-02 14:52:26,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:52:26,000 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-12-02 14:52:26,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:26,003 INFO L225 Difference]: With dead ends: 2047 [2024-12-02 14:52:26,003 INFO L226 Difference]: Without dead ends: 2045 [2024-12-02 14:52:26,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:52:26,004 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 135 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:26,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1274 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:52:26,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2045 states. [2024-12-02 14:52:26,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2045 to 1736. [2024-12-02 14:52:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1490 states have (on average 1.297986577181208) internal successors, (1934), 1493 states have internal predecessors, (1934), 200 states have call successors, (200), 45 states have call predecessors, (200), 45 states have return successors, (200), 197 states have call predecessors, (200), 200 states have call successors, (200) [2024-12-02 14:52:26,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2334 transitions. [2024-12-02 14:52:26,126 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2334 transitions. Word has length 226 [2024-12-02 14:52:26,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:26,126 INFO L471 AbstractCegarLoop]: Abstraction has 1736 states and 2334 transitions. [2024-12-02 14:52:26,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:26,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2334 transitions. [2024-12-02 14:52:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 14:52:26,127 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:26,128 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:26,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-12-02 14:52:26,128 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:26,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:26,128 INFO L85 PathProgramCache]: Analyzing trace with hash -734823843, now seen corresponding path program 1 times [2024-12-02 14:52:26,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:26,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736052037] [2024-12-02 14:52:26,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:26,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:28,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:28,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:28,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736052037] [2024-12-02 14:52:28,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736052037] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:28,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:28,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:52:28,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353701914] [2024-12-02 14:52:28,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:28,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:52:28,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:28,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:52:28,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:52:28,885 INFO L87 Difference]: Start difference. First operand 1736 states and 2334 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:30,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:30,597 INFO L93 Difference]: Finished difference Result 1967 states and 2605 transitions. [2024-12-02 14:52:30,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:52:30,598 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-12-02 14:52:30,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:30,601 INFO L225 Difference]: With dead ends: 1967 [2024-12-02 14:52:30,601 INFO L226 Difference]: Without dead ends: 1965 [2024-12-02 14:52:30,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-12-02 14:52:30,602 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 179 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:30,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 1585 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 14:52:30,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2024-12-02 14:52:30,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1813. [2024-12-02 14:52:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1813 states, 1548 states have (on average 1.2894056847545219) internal successors, (1996), 1552 states have internal predecessors, (1996), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-12-02 14:52:30,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2424 transitions. [2024-12-02 14:52:30,733 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2424 transitions. Word has length 226 [2024-12-02 14:52:30,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:30,733 INFO L471 AbstractCegarLoop]: Abstraction has 1813 states and 2424 transitions. [2024-12-02 14:52:30,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:30,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2424 transitions. [2024-12-02 14:52:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 14:52:30,734 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:30,734 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:30,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-12-02 14:52:30,734 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:30,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:30,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1191645723, now seen corresponding path program 1 times [2024-12-02 14:52:30,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:30,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648104518] [2024-12-02 14:52:30,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:30,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:33,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:33,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648104518] [2024-12-02 14:52:33,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648104518] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:33,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:33,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 14:52:33,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908893189] [2024-12-02 14:52:33,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:33,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 14:52:33,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:33,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 14:52:33,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:52:33,364 INFO L87 Difference]: Start difference. First operand 1813 states and 2424 transitions. Second operand has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:36,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:36,117 INFO L93 Difference]: Finished difference Result 2393 states and 3092 transitions. [2024-12-02 14:52:36,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 14:52:36,117 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-12-02 14:52:36,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:36,121 INFO L225 Difference]: With dead ends: 2393 [2024-12-02 14:52:36,121 INFO L226 Difference]: Without dead ends: 2391 [2024-12-02 14:52:36,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=177, Invalid=693, Unknown=0, NotChecked=0, Total=870 [2024-12-02 14:52:36,122 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 413 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 1454 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:36,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 1747 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1454 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 14:52:36,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2024-12-02 14:52:36,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 1842. [2024-12-02 14:52:36,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1577 states have (on average 1.2872542802790108) internal successors, (2030), 1581 states have internal predecessors, (2030), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-12-02 14:52:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2458 transitions. [2024-12-02 14:52:36,342 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2458 transitions. Word has length 226 [2024-12-02 14:52:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:36,342 INFO L471 AbstractCegarLoop]: Abstraction has 1842 states and 2458 transitions. [2024-12-02 14:52:36,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2458 transitions. [2024-12-02 14:52:36,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 14:52:36,345 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:36,345 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:36,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-12-02 14:52:36,345 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:36,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:36,346 INFO L85 PathProgramCache]: Analyzing trace with hash -396702179, now seen corresponding path program 1 times [2024-12-02 14:52:36,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:36,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339388117] [2024-12-02 14:52:36,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:36,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:39,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:39,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:39,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339388117] [2024-12-02 14:52:39,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339388117] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:39,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:39,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 14:52:39,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907369022] [2024-12-02 14:52:39,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:39,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 14:52:39,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:39,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 14:52:39,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:52:39,264 INFO L87 Difference]: Start difference. First operand 1842 states and 2458 transitions. Second operand has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:42,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:42,611 INFO L93 Difference]: Finished difference Result 2517 states and 3226 transitions. [2024-12-02 14:52:42,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 14:52:42,612 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-12-02 14:52:42,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:42,615 INFO L225 Difference]: With dead ends: 2517 [2024-12-02 14:52:42,615 INFO L226 Difference]: Without dead ends: 2515 [2024-12-02 14:52:42,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=202, Invalid=790, Unknown=0, NotChecked=0, Total=992 [2024-12-02 14:52:42,616 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 439 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:42,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1618 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 14:52:42,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2024-12-02 14:52:42,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 1856. [2024-12-02 14:52:42,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1856 states, 1591 states have (on average 1.2872407291011942) internal successors, (2048), 1595 states have internal predecessors, (2048), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-12-02 14:52:42,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2476 transitions. [2024-12-02 14:52:42,765 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2476 transitions. Word has length 226 [2024-12-02 14:52:42,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:42,765 INFO L471 AbstractCegarLoop]: Abstraction has 1856 states and 2476 transitions. [2024-12-02 14:52:42,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 18 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:42,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2476 transitions. [2024-12-02 14:52:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 14:52:42,767 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:42,767 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:42,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-12-02 14:52:42,767 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:42,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:42,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1394233947, now seen corresponding path program 1 times [2024-12-02 14:52:42,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:42,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93669029] [2024-12-02 14:52:42,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:42,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:45,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:45,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93669029] [2024-12-02 14:52:45,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93669029] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:45,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:45,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 14:52:45,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502330017] [2024-12-02 14:52:45,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:45,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 14:52:45,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:45,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 14:52:45,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:52:45,068 INFO L87 Difference]: Start difference. First operand 1856 states and 2476 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:46,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:46,697 INFO L93 Difference]: Finished difference Result 2080 states and 2731 transitions. [2024-12-02 14:52:46,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:52:46,698 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-12-02 14:52:46,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:46,701 INFO L225 Difference]: With dead ends: 2080 [2024-12-02 14:52:46,701 INFO L226 Difference]: Without dead ends: 2078 [2024-12-02 14:52:46,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:52:46,701 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 82 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:46,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1743 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 14:52:46,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2024-12-02 14:52:46,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1864. [2024-12-02 14:52:46,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1864 states, 1599 states have (on average 1.2895559724828018) internal successors, (2062), 1603 states have internal predecessors, (2062), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-12-02 14:52:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1864 states and 2490 transitions. [2024-12-02 14:52:46,836 INFO L78 Accepts]: Start accepts. Automaton has 1864 states and 2490 transitions. Word has length 226 [2024-12-02 14:52:46,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:46,836 INFO L471 AbstractCegarLoop]: Abstraction has 1864 states and 2490 transitions. [2024-12-02 14:52:46,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:46,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2490 transitions. [2024-12-02 14:52:46,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 14:52:46,837 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:46,838 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:46,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-12-02 14:52:46,838 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:46,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:46,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1968223067, now seen corresponding path program 1 times [2024-12-02 14:52:46,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:46,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596344440] [2024-12-02 14:52:46,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:46,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:48,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:48,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596344440] [2024-12-02 14:52:48,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596344440] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:48,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:48,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:52:48,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474613702] [2024-12-02 14:52:48,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:48,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:52:48,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:48,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:52:48,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:52:48,605 INFO L87 Difference]: Start difference. First operand 1864 states and 2490 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:50,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:50,216 INFO L93 Difference]: Finished difference Result 2079 states and 2733 transitions. [2024-12-02 14:52:50,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 14:52:50,216 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-12-02 14:52:50,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:50,219 INFO L225 Difference]: With dead ends: 2079 [2024-12-02 14:52:50,219 INFO L226 Difference]: Without dead ends: 2077 [2024-12-02 14:52:50,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:52:50,220 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 177 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:50,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1863 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 14:52:50,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2024-12-02 14:52:50,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 1835. [2024-12-02 14:52:50,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1835 states, 1570 states have (on average 1.286624203821656) internal successors, (2020), 1574 states have internal predecessors, (2020), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-12-02 14:52:50,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2448 transitions. [2024-12-02 14:52:50,410 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2448 transitions. Word has length 226 [2024-12-02 14:52:50,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:50,410 INFO L471 AbstractCegarLoop]: Abstraction has 1835 states and 2448 transitions. [2024-12-02 14:52:50,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:50,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2448 transitions. [2024-12-02 14:52:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 14:52:50,412 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:50,412 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:50,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-12-02 14:52:50,412 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:50,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:50,412 INFO L85 PathProgramCache]: Analyzing trace with hash -194113955, now seen corresponding path program 1 times [2024-12-02 14:52:50,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:50,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657657122] [2024-12-02 14:52:50,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:50,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:52,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:52,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657657122] [2024-12-02 14:52:52,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657657122] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:52,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:52,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 14:52:52,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8543828] [2024-12-02 14:52:52,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:52,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 14:52:52,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:52,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 14:52:52,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:52:52,938 INFO L87 Difference]: Start difference. First operand 1835 states and 2448 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:54,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:52:54,606 INFO L93 Difference]: Finished difference Result 2033 states and 2663 transitions. [2024-12-02 14:52:54,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:52:54,606 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-12-02 14:52:54,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:52:54,609 INFO L225 Difference]: With dead ends: 2033 [2024-12-02 14:52:54,609 INFO L226 Difference]: Without dead ends: 2031 [2024-12-02 14:52:54,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:52:54,610 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 51 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1765 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:52:54,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 1765 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 14:52:54,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2024-12-02 14:52:54,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1823. [2024-12-02 14:52:54,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1823 states, 1558 states have (on average 1.2862644415917843) internal successors, (2004), 1562 states have internal predecessors, (2004), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-12-02 14:52:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2432 transitions. [2024-12-02 14:52:54,744 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2432 transitions. Word has length 226 [2024-12-02 14:52:54,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:52:54,744 INFO L471 AbstractCegarLoop]: Abstraction has 1823 states and 2432 transitions. [2024-12-02 14:52:54,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:52:54,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2432 transitions. [2024-12-02 14:52:54,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 14:52:54,745 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:52:54,745 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:52:54,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-12-02 14:52:54,745 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:52:54,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:52:54,745 INFO L85 PathProgramCache]: Analyzing trace with hash 379875165, now seen corresponding path program 1 times [2024-12-02 14:52:54,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:52:54,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029168938] [2024-12-02 14:52:54,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:52:54,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:52:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:52:58,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:52:58,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:52:58,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029168938] [2024-12-02 14:52:58,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029168938] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:52:58,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:52:58,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 14:52:58,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524223198] [2024-12-02 14:52:58,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:52:58,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:52:58,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:52:58,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:52:58,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:52:58,600 INFO L87 Difference]: Start difference. First operand 1823 states and 2432 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:53:00,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:00,463 INFO L93 Difference]: Finished difference Result 2116 states and 2767 transitions. [2024-12-02 14:53:00,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 14:53:00,464 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-12-02 14:53:00,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:00,468 INFO L225 Difference]: With dead ends: 2116 [2024-12-02 14:53:00,468 INFO L226 Difference]: Without dead ends: 2114 [2024-12-02 14:53:00,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:53:00,469 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 179 mSDsluCounter, 1530 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:53:00,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 1719 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 14:53:00,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2114 states. [2024-12-02 14:53:00,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2114 to 1795. [2024-12-02 14:53:00,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1795 states, 1530 states have (on average 1.2908496732026145) internal successors, (1975), 1534 states have internal predecessors, (1975), 214 states have call successors, (214), 50 states have call predecessors, (214), 50 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2024-12-02 14:53:00,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1795 states and 2403 transitions. [2024-12-02 14:53:00,610 INFO L78 Accepts]: Start accepts. Automaton has 1795 states and 2403 transitions. Word has length 226 [2024-12-02 14:53:00,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:00,611 INFO L471 AbstractCegarLoop]: Abstraction has 1795 states and 2403 transitions. [2024-12-02 14:53:00,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:53:00,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2403 transitions. [2024-12-02 14:53:00,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-12-02 14:53:00,612 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:00,612 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:00,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-12-02 14:53:00,612 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:53:00,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:00,612 INFO L85 PathProgramCache]: Analyzing trace with hash -787884692, now seen corresponding path program 1 times [2024-12-02 14:53:00,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:53:00,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067610214] [2024-12-02 14:53:00,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:00,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:53:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:53:00,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046322083] [2024-12-02 14:53:00,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:00,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:53:00,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:53:00,746 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:53:00,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:53:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:53:01,056 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:53:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:53:01,248 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:53:01,248 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:53:01,249 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:53:01,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:53:01,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-12-02 14:53:01,452 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, 1, 1, 1, 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 14:53:01,550 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:53:01,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:53:01 BoogieIcfgContainer [2024-12-02 14:53:01,553 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:53:01,554 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:53:01,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:53:01,554 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:53:01,554 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:44:16" (3/4) ... [2024-12-02 14:53:01,556 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:53:01,556 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:53:01,557 INFO L158 Benchmark]: Toolchain (without parser) took 525839.58ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 116.3MB in the beginning and 685.7MB in the end (delta: -569.4MB). Peak memory consumption was 600.2MB. Max. memory is 16.1GB. [2024-12-02 14:53:01,557 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:53:01,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.59ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 99.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:53:01,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.35ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 94.3MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:53:01,557 INFO L158 Benchmark]: Boogie Preprocessor took 58.10ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 86.5MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:53:01,557 INFO L158 Benchmark]: RCFGBuilder took 573.89ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 111.2MB in the end (delta: -25.0MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2024-12-02 14:53:01,558 INFO L158 Benchmark]: TraceAbstraction took 524855.14ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 110.6MB in the beginning and 685.8MB in the end (delta: -575.2MB). Peak memory consumption was 585.4MB. Max. memory is 16.1GB. [2024-12-02 14:53:01,558 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 1.3GB. Free memory was 685.8MB in the beginning and 685.7MB in the end (delta: 117.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:53:01,559 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.59ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 99.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.35ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 94.3MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.10ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 86.5MB in the end (delta: 7.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.89ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 111.2MB in the end (delta: -25.0MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * TraceAbstraction took 524855.14ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 110.6MB in the beginning and 685.8MB in the end (delta: -575.2MB). Peak memory consumption was 585.4MB. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 1.3GB. Free memory was 685.8MB in the beginning and 685.7MB in the end (delta: 117.7kB). Peak memory consumption was 8.4MB. 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 shiftLeft at line 197, overapproximation of shiftLeft at line 106, overapproximation of shiftLeft at line 197, overapproximation of someBinaryFLOATComparisonOperation at line 166, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 168, overapproximation of someBinaryFLOATComparisonOperation at line 170, overapproximation of someBinaryFLOATComparisonOperation at line 172, overapproximation of someUnaryDOUBLEoperation at line 40, overapproximation of someUnaryDOUBLEoperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 174, overapproximation of someBinaryDOUBLEComparisonOperation at line 179, overapproximation of someBinaryDOUBLEComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 181. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned short int var_1_4 = 58792; [L24] unsigned short int var_1_5 = 8; [L25] unsigned short int var_1_6 = 64; [L26] unsigned short int var_1_7 = 16; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 1; [L29] signed short int var_1_10 = 1000; [L30] signed short int var_1_11 = 1; [L31] signed short int var_1_12 = -25; [L32] signed short int var_1_13 = 25; [L33] unsigned short int var_1_14 = 5; [L34] unsigned short int var_1_16 = 20511; [L35] unsigned long int var_1_17 = 50; [L36] unsigned short int var_1_18 = 10; [L37] unsigned short int var_1_19 = 2; [L38] float var_1_20 = 100000.5; [L39] float var_1_21 = 31.9; [L40] float var_1_22 = -0.6; [L41] float var_1_24 = 24.5; [L42] double var_1_25 = 10000000000.5; [L43] double var_1_28 = 64.25; [L44] signed char var_1_29 = -10; [L45] signed char var_1_30 = -4; [L46] unsigned long int var_1_31 = 4; [L47] signed char var_1_32 = 100; [L48] double var_1_33 = 199.5; [L49] double var_1_34 = 7.6; [L50] signed char var_1_35 = 64; [L51] signed char var_1_36 = 10; [L52] signed char var_1_37 = 16; [L53] unsigned short int var_1_38 = 64; [L54] unsigned char last_1_var_1_8 = 0; VAL [isInitial=0, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L201] isInitial = 1 [L202] FCALL initially() [L204] CALL updateLastVariables() [L194] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L204] RET updateLastVariables() [L205] CALL updateVariables() [L138] var_1_4 = __VERIFIER_nondet_ushort() [L139] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L139] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L140] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L141] var_1_5 = __VERIFIER_nondet_ushort() [L142] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L142] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L143] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L143] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L144] var_1_6 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_7=16, var_1_8=0, var_1_9=1] [L145] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_7=16, var_1_8=0, var_1_9=1] [L146] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=16, var_1_8=0, var_1_9=1] [L146] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=16, var_1_8=0, var_1_9=1] [L147] var_1_7 = __VERIFIER_nondet_ushort() [L148] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_8=0, var_1_9=1] [L148] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_8=0, var_1_9=1] [L149] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L149] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L150] var_1_9 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L151] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L152] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L152] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L153] var_1_11 = __VERIFIER_nondet_short() [L154] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L154] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L155] CALL assume_abort_if_not(var_1_11 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L155] RET assume_abort_if_not(var_1_11 <= 8191) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L156] var_1_12 = __VERIFIER_nondet_short() [L157] CALL assume_abort_if_not(var_1_12 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L157] RET assume_abort_if_not(var_1_12 >= -16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L158] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L158] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L159] var_1_13 = __VERIFIER_nondet_short() [L160] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L160] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L161] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L161] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L162] var_1_16 = __VERIFIER_nondet_ushort() [L163] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L163] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L164] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L164] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L165] var_1_20 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_20 >= -922337.2036854776000e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L166] RET assume_abort_if_not((var_1_20 >= -922337.2036854776000e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L167] var_1_21 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L168] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L169] var_1_22 = __VERIFIER_nondet_float() [L170] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L170] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L171] var_1_24 = __VERIFIER_nondet_float() [L172] CALL assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L172] RET assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L173] var_1_28 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L174] RET assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L175] var_1_30 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_30 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L176] RET assume_abort_if_not(var_1_30 >= -127) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L177] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L177] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L178] var_1_33 = __VERIFIER_nondet_double() [L179] CALL assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L179] RET assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L180] var_1_34 = __VERIFIER_nondet_double() [L181] CALL assume_abort_if_not((var_1_34 >= -922337.2036854776000e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L181] RET assume_abort_if_not((var_1_34 >= -922337.2036854776000e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L182] CALL assume_abort_if_not(var_1_34 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L182] RET assume_abort_if_not(var_1_34 != 0.0F) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L183] var_1_35 = __VERIFIER_nondet_char() [L184] CALL assume_abort_if_not(var_1_35 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L184] RET assume_abort_if_not(var_1_35 >= -1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L185] CALL assume_abort_if_not(var_1_35 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L185] RET assume_abort_if_not(var_1_35 <= 126) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L186] var_1_36 = __VERIFIER_nondet_char() [L187] CALL assume_abort_if_not(var_1_36 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L187] RET assume_abort_if_not(var_1_36 >= -1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L188] CALL assume_abort_if_not(var_1_36 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L188] RET assume_abort_if_not(var_1_36 <= 126) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L189] var_1_37 = __VERIFIER_nondet_char() [L190] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L190] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L191] CALL assume_abort_if_not(var_1_37 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L191] RET assume_abort_if_not(var_1_37 <= 126) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L205] RET updateVariables() [L206] CALL step() [L58] unsigned short int stepLocal_1 = var_1_6; [L59] unsigned char stepLocal_0 = last_1_var_1_8; VAL [isInitial=1, last_1_var_1_8=0, stepLocal_0=0, stepLocal_1=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L60] COND FALSE !(last_1_var_1_8 && stepLocal_0) VAL [isInitial=1, last_1_var_1_8=0, stepLocal_1=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L63] COND FALSE !(((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < stepLocal_1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L67] COND TRUE var_1_33 <= (var_1_25 / var_1_34) [L68] var_1_32 = (((((var_1_35) < (var_1_36)) ? (var_1_35) : (var_1_36))) - var_1_37) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=1] [L70] var_1_8 = (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L71] COND TRUE var_1_8 && (! (! var_1_9)) [L72] var_1_25 = ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-10, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L74] COND TRUE (var_1_25 <= var_1_22) && var_1_8 [L75] var_1_29 = ((((var_1_30) > (-100)) ? (var_1_30) : (-100))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=5, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L77] COND TRUE \read(var_1_8) [L78] var_1_14 = (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L80] COND FALSE !(var_1_20 <= var_1_21) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L93] COND FALSE !(var_1_1 >= ((~ 128u) % ((((var_1_4) < (var_1_16)) ? (var_1_4) : (var_1_16))))) [L104] var_1_38 = var_1_5 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L106] EXPR var_1_16 << var_1_7 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L106] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L106] signed long int stepLocal_4 = (((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7))); [L107] COND TRUE stepLocal_4 >= var_1_14 [L108] var_1_17 = var_1_11 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=4, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L112] var_1_31 = var_1_11 [L113] unsigned short int stepLocal_5 = var_1_5; VAL [isInitial=1, last_1_var_1_8=0, stepLocal_5=8190, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L114] COND FALSE !(stepLocal_5 == var_1_16) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L121] COND TRUE \read(var_1_9) [L122] var_1_18 = 200 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L125] unsigned char stepLocal_3 = var_1_9; [L126] unsigned long int stepLocal_2 = var_1_17; VAL [isInitial=1, last_1_var_1_8=0, stepLocal_2=8191, stepLocal_3=1, var_1_10=1000, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L127] COND FALSE !(stepLocal_2 < var_1_6) [L134] var_1_10 = var_1_13 VAL [isInitial=1, last_1_var_1_8=0, stepLocal_3=1, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L206] RET step() [L207] CALL, EXPR property() [L197] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR var_1_16 << var_1_7 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR var_1_16 << var_1_7 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L197-L198] return ((((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5))))) && ((var_1_5 == var_1_16) ? (var_1_8 ? (var_1_18 == ((unsigned short int) (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))))) : (var_1_18 == ((unsigned short int) var_1_4))) : (var_1_9 ? (var_1_18 == ((unsigned short int) 200)) : 1)) ; [L207] RET, EXPR property() [L207] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=0, var_1_10=32766, var_1_11=8191, var_1_12=-16383, var_1_13=32766, var_1_14=32766, var_1_16=32764, var_1_17=8191, var_1_18=200, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-100, var_1_30=-100, var_1_31=8191, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=8190, var_1_4=-73733, var_1_5=8190, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 524.7s, OverallIterations: 51, TraceHistogramMax: 34, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 94.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21095 SdHoareTripleChecker+Valid, 60.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21095 mSDsluCounter, 57824 SdHoareTripleChecker+Invalid, 54.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48283 mSDsCounter, 3922 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55964 IncrementalHoareTripleChecker+Invalid, 59886 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3922 mSolverCounterUnsat, 9541 mSDtfsCounter, 55964 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1473 GetRequests, 548 SyntacticMatches, 15 SemanticMatches, 910 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3009 ImplicationChecksByTransitivity, 49.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2256occurred in iteration=39, InterpolantAutomatonStates: 660, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 50 MinimizatonAttempts, 14546 StatesRemovedByMinimization, 49 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 421.5s InterpolantComputationTime, 11769 NumberOfCodeBlocks, 11769 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 11264 ConstructedInterpolants, 0 QuantifiedInterpolants, 86971 SizeOfPredicates, 0 NumberOfNonLiveVariables, 494 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 51 InterpolantComputations, 50 PerfectInterpolantSequences, 114378/114444 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 14:53:01,770 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-12-02 14:53:01,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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_1e845678-1827-48c7-acc9-432cde15cbdb/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 69eea854146ed6719c2a02b1e3c48ec2ec3340ce1e8957b9754599908f0bff1b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:53:03,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:53:03,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:53:03,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:53:03,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:53:03,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:53:03,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:53:03,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:53:03,742 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:53:03,743 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:53:03,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:53:03,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:53:03,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:53:03,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:53:03,743 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:53:03,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:53:03,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:53:03,744 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:53:03,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:53:03,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:53:03,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:53:03,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:53:03,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:53:03,744 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:53:03,744 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:53:03,745 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:53:03,745 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:53:03,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:53:03,745 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:53:03,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:53:03,745 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:53:03,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:53:03,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:53:03,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:53:03,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:53:03,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:53:03,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:53:03,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:53:03,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:53:03,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:53:03,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:53:03,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:53:03,746 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:53:03,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:53:03,746 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:53:03,746 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:53:03,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:53:03,746 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:53:03,746 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:53:03,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:53:03,747 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_1e845678-1827-48c7-acc9-432cde15cbdb/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 -> 69eea854146ed6719c2a02b1e3c48ec2ec3340ce1e8957b9754599908f0bff1b [2024-12-02 14:53:03,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:53:03,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:53:03,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:53:03,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:53:03,993 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:53:03,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i [2024-12-02 14:53:06,669 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/data/388ff54ff/f1de7ce1c0204e1d997e167021e2f23a/FLAG12b24cba2 [2024-12-02 14:53:06,848 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:53:06,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i [2024-12-02 14:53:06,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/data/388ff54ff/f1de7ce1c0204e1d997e167021e2f23a/FLAG12b24cba2 [2024-12-02 14:53:06,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/data/388ff54ff/f1de7ce1c0204e1d997e167021e2f23a [2024-12-02 14:53:06,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:53:06,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:53:06,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:53:06,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:53:06,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:53:06,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:06" (1/1) ... [2024-12-02 14:53:06,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b46b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:06, skipping insertion in model container [2024-12-02 14:53:06,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:53:06" (1/1) ... [2024-12-02 14:53:06,897 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:53:07,006 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_1e845678-1827-48c7-acc9-432cde15cbdb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i[919,932] [2024-12-02 14:53:07,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:53:07,089 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:53:07,099 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_1e845678-1827-48c7-acc9-432cde15cbdb/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i[919,932] [2024-12-02 14:53:07,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:53:07,155 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:53:07,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07 WrapperNode [2024-12-02 14:53:07,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:53:07,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:53:07,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:53:07,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:53:07,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,197 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2024-12-02 14:53:07,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:53:07,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:53:07,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:53:07,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:53:07,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,212 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,225 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 14:53:07,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,237 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:53:07,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:53:07,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:53:07,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:53:07,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (1/1) ... [2024-12-02 14:53:07,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:53:07,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:53:07,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:53:07,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:53:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:53:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:53:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:53:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:53:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:53:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:53:07,381 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:53:07,382 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:53:12,266 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-02 14:53:12,266 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:53:12,277 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:53:12,277 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:53:12,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:12 BoogieIcfgContainer [2024-12-02 14:53:12,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:53:12,280 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:53:12,280 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:53:12,284 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:53:12,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:53:06" (1/3) ... [2024-12-02 14:53:12,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611770e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:53:12, skipping insertion in model container [2024-12-02 14:53:12,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:53:07" (2/3) ... [2024-12-02 14:53:12,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611770e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:53:12, skipping insertion in model container [2024-12-02 14:53:12,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:53:12" (3/3) ... [2024-12-02 14:53:12,286 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i [2024-12-02 14:53:12,297 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:53:12,299 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-10.i that has 2 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:53:12,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:53:12,350 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;@1328284f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:53:12,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:53:12,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 14:53:12,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-12-02 14:53:12,364 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:12,365 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:12,365 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:53:12,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:12,369 INFO L85 PathProgramCache]: Analyzing trace with hash -821453760, now seen corresponding path program 1 times [2024-12-02 14:53:12,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:53:12,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950987097] [2024-12-02 14:53:12,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:12,379 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 14:53:12,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:53:12,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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 14:53:12,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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 14:53:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:13,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:53:13,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:53:13,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 794 proven. 0 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2024-12-02 14:53:13,443 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:53:13,444 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:53:13,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950987097] [2024-12-02 14:53:13,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950987097] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:13,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:53:13,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:53:13,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454711659] [2024-12-02 14:53:13,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:13,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:53:13,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:53:13,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:53:13,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:53:13,470 INFO L87 Difference]: Start difference. First operand has 96 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:53:13,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:13,499 INFO L93 Difference]: Finished difference Result 185 states and 330 transitions. [2024-12-02 14:53:13,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:53:13,501 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 214 [2024-12-02 14:53:13,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:13,506 INFO L225 Difference]: With dead ends: 185 [2024-12-02 14:53:13,507 INFO L226 Difference]: Without dead ends: 92 [2024-12-02 14:53:13,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 213 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 14:53:13,512 INFO L435 NwaCegarLoop]: 144 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, 144 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 14:53:13,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:53:13,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-12-02 14:53:13,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-12-02 14:53:13,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 14:53:13,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 144 transitions. [2024-12-02 14:53:13,550 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 144 transitions. Word has length 214 [2024-12-02 14:53:13,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:13,551 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 144 transitions. [2024-12-02 14:53:13,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 14:53:13,551 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2024-12-02 14:53:13,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-12-02 14:53:13,556 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:13,556 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:13,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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 14:53:13,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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 14:53:13,757 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:53:13,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:13,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1684309384, now seen corresponding path program 1 times [2024-12-02 14:53:13,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:53:13,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479085107] [2024-12-02 14:53:13,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:13,759 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 14:53:13,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:53:13,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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 14:53:13,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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 14:53:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:14,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:53:14,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:53:17,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-12-02 14:53:17,192 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:53:17,192 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:53:17,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479085107] [2024-12-02 14:53:17,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479085107] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:53:17,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:53:17,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:53:17,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028095807] [2024-12-02 14:53:17,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:53:17,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:53:17,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:53:17,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:53:17,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:53:17,196 INFO L87 Difference]: Start difference. First operand 92 states and 144 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:53:17,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:53:17,994 INFO L93 Difference]: Finished difference Result 314 states and 494 transitions. [2024-12-02 14:53:17,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:53:17,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-12-02 14:53:17,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:53:18,000 INFO L225 Difference]: With dead ends: 314 [2024-12-02 14:53:18,000 INFO L226 Difference]: Without dead ends: 225 [2024-12-02 14:53:18,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:53:18,002 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 143 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:53:18,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 625 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:53:18,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-12-02 14:53:18,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 172. [2024-12-02 14:53:18,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 101 states have (on average 1.306930693069307) internal successors, (132), 101 states have internal predecessors, (132), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-12-02 14:53:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 268 transitions. [2024-12-02 14:53:18,041 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 268 transitions. Word has length 214 [2024-12-02 14:53:18,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:53:18,042 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 268 transitions. [2024-12-02 14:53:18,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-12-02 14:53:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 268 transitions. [2024-12-02 14:53:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-12-02 14:53:18,046 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:53:18,046 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:53:18,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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 14:53:18,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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 14:53:18,247 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:53:18,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:53:18,248 INFO L85 PathProgramCache]: Analyzing trace with hash 100021868, now seen corresponding path program 1 times [2024-12-02 14:53:18,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:53:18,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047296377] [2024-12-02 14:53:18,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:53:18,248 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 14:53:18,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:53:18,250 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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 14:53:18,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e845678-1827-48c7-acc9-432cde15cbdb/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 14:53:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:53:19,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-02 14:53:19,547 INFO L279 TraceCheckSpWp]: Computing forward predicates...