./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.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_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/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_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/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_d83726e2-9bee-443f-8afb-ef69e564d76d/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 c576a24d45ab301447d14f0f509fbb4fda0d590a05a36555d57f7b59c4fd472a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:48:56,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:48:56,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:48:56,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:48:56,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:48:56,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:48:56,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:48:56,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:48:56,328 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:48:56,328 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:48:56,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:48:56,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:48:56,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:48:56,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:48:56,329 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:48:56,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:48:56,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:48:56,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:48:56,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:48:56,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:48:56,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:48:56,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:48:56,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:48:56,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:48:56,330 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:48:56,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:48:56,331 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:48:56,331 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:48:56,331 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:48:56,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:48:56,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:48:56,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:48:56,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:48:56,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:48:56,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:48:56,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:48:56,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:48:56,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:48:56,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:48:56,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:48:56,332 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:48:56,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:48:56,332 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:48:56,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:48:56,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:48:56,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:48:56,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:48:56,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:48:56,333 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_d83726e2-9bee-443f-8afb-ef69e564d76d/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 -> c576a24d45ab301447d14f0f509fbb4fda0d590a05a36555d57f7b59c4fd472a [2024-12-02 10:48:56,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:48:56,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:48:56,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:48:56,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:48:56,602 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:48:56,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i [2024-12-02 10:48:59,323 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/data/207cd52a1/00eaf5f8e9ed4dfa815d55cc4f13c054/FLAGc9a39efd0 [2024-12-02 10:48:59,526 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:48:59,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i [2024-12-02 10:48:59,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/data/207cd52a1/00eaf5f8e9ed4dfa815d55cc4f13c054/FLAGc9a39efd0 [2024-12-02 10:48:59,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/data/207cd52a1/00eaf5f8e9ed4dfa815d55cc4f13c054 [2024-12-02 10:48:59,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:48:59,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:48:59,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:48:59,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:48:59,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:48:59,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f10fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59, skipping insertion in model container [2024-12-02 10:48:59,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:48:59,723 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_d83726e2-9bee-443f-8afb-ef69e564d76d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i[918,931] [2024-12-02 10:48:59,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:48:59,813 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:48:59,825 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_d83726e2-9bee-443f-8afb-ef69e564d76d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i[918,931] [2024-12-02 10:48:59,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:48:59,878 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:48:59,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59 WrapperNode [2024-12-02 10:48:59,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:48:59,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:48:59,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:48:59,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:48:59,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,941 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 237 [2024-12-02 10:48:59,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:48:59,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:48:59,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:48:59,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:48:59,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,956 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,976 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 10:48:59,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,987 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:48:59,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:49:00,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:49:00,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:49:00,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:49:00,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:49:00,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (1/1) ... [2024-12-02 10:49:00,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:00,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:49:00,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:49:00,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:49:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:49:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:49:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:49:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:49:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:49:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:49:00,159 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:49:00,161 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:49:00,624 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 10:49:00,624 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:49:00,636 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:49:00,636 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:49:00,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:00 BoogieIcfgContainer [2024-12-02 10:49:00,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:49:00,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:49:00,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:49:00,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:49:00,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:48:59" (1/3) ... [2024-12-02 10:49:00,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2c294a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:49:00, skipping insertion in model container [2024-12-02 10:49:00,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:59" (2/3) ... [2024-12-02 10:49:00,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2c294a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:49:00, skipping insertion in model container [2024-12-02 10:49:00,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:00" (3/3) ... [2024-12-02 10:49:00,646 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i [2024-12-02 10:49:00,662 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:49:00,663 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i that has 2 procedures, 106 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:49:00,719 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:49:00,727 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;@3ac76868, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:49:00,727 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:49:00,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 10:49:00,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 10:49:00,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:00,744 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:00,744 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:00,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:00,750 INFO L85 PathProgramCache]: Analyzing trace with hash -2123391114, now seen corresponding path program 1 times [2024-12-02 10:49:00,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:00,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968691910] [2024-12-02 10:49:00,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:00,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 10:49:01,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:01,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968691910] [2024-12-02 10:49:01,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968691910] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:49:01,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314059558] [2024-12-02 10:49:01,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:01,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:49:01,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:49:01,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:49:01,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:49:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:01,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:49:01,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:49:01,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 10:49:01,230 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:49:01,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314059558] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:01,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:49:01,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 10:49:01,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666731767] [2024-12-02 10:49:01,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:01,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:49:01,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:01,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:49:01,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:49:01,254 INFO L87 Difference]: Start difference. First operand has 106 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 10:49:01,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:01,281 INFO L93 Difference]: Finished difference Result 205 states and 357 transitions. [2024-12-02 10:49:01,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:49:01,283 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 160 [2024-12-02 10:49:01,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:01,288 INFO L225 Difference]: With dead ends: 205 [2024-12-02 10:49:01,289 INFO L226 Difference]: Without dead ends: 102 [2024-12-02 10:49:01,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:49:01,294 INFO L435 NwaCegarLoop]: 162 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, 162 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:01,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:49:01,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-12-02 10:49:01,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-12-02 10:49:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 77 states have internal predecessors, (116), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 10:49:01,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 162 transitions. [2024-12-02 10:49:01,331 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 162 transitions. Word has length 160 [2024-12-02 10:49:01,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:01,331 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 162 transitions. [2024-12-02 10:49:01,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 10:49:01,332 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions. [2024-12-02 10:49:01,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 10:49:01,334 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:01,335 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:01,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:49:01,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 10:49:01,535 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:01,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:01,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1777867148, now seen corresponding path program 1 times [2024-12-02 10:49:01,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:01,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572767225] [2024-12-02 10:49:01,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:01,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:01,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:01,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572767225] [2024-12-02 10:49:01,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572767225] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:01,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:01,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:49:01,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214490902] [2024-12-02 10:49:01,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:01,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:49:01,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:01,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:49:01,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:49:01,940 INFO L87 Difference]: Start difference. First operand 102 states and 162 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:02,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:02,048 INFO L93 Difference]: Finished difference Result 300 states and 480 transitions. [2024-12-02 10:49:02,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:49:02,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 160 [2024-12-02 10:49:02,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:02,051 INFO L225 Difference]: With dead ends: 300 [2024-12-02 10:49:02,052 INFO L226 Difference]: Without dead ends: 201 [2024-12-02 10:49:02,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:49:02,053 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 107 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:02,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 346 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:49:02,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-12-02 10:49:02,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2024-12-02 10:49:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 150 states have (on average 1.48) internal successors, (222), 150 states have internal predecessors, (222), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 10:49:02,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 314 transitions. [2024-12-02 10:49:02,083 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 314 transitions. Word has length 160 [2024-12-02 10:49:02,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:02,084 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 314 transitions. [2024-12-02 10:49:02,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:02,084 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 314 transitions. [2024-12-02 10:49:02,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 10:49:02,087 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:02,087 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:02,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:49:02,087 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:02,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:02,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1831111629, now seen corresponding path program 1 times [2024-12-02 10:49:02,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:02,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246067254] [2024-12-02 10:49:02,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:02,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:02,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:02,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246067254] [2024-12-02 10:49:02,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246067254] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:02,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:02,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:49:02,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73253602] [2024-12-02 10:49:02,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:02,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:49:02,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:02,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:49:02,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:49:02,191 INFO L87 Difference]: Start difference. First operand 199 states and 314 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:02,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:02,257 INFO L93 Difference]: Finished difference Result 505 states and 798 transitions. [2024-12-02 10:49:02,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:49:02,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 161 [2024-12-02 10:49:02,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:02,260 INFO L225 Difference]: With dead ends: 505 [2024-12-02 10:49:02,261 INFO L226 Difference]: Without dead ends: 309 [2024-12-02 10:49:02,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:49:02,263 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 81 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:02,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 328 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:49:02,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-12-02 10:49:02,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 281. [2024-12-02 10:49:02,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 232 states have (on average 1.5086206896551724) internal successors, (350), 232 states have internal predecessors, (350), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 10:49:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 442 transitions. [2024-12-02 10:49:02,293 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 442 transitions. Word has length 161 [2024-12-02 10:49:02,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:02,294 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 442 transitions. [2024-12-02 10:49:02,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 442 transitions. [2024-12-02 10:49:02,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 10:49:02,297 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:02,297 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:02,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:49:02,297 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:02,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:02,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1609759812, now seen corresponding path program 1 times [2024-12-02 10:49:02,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:02,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574086612] [2024-12-02 10:49:02,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:02,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:02,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:02,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:02,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574086612] [2024-12-02 10:49:02,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574086612] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:02,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:02,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:49:02,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119377932] [2024-12-02 10:49:02,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:02,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:49:02,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:02,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:49:02,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:49:02,707 INFO L87 Difference]: Start difference. First operand 281 states and 442 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:03,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:03,126 INFO L93 Difference]: Finished difference Result 703 states and 1112 transitions. [2024-12-02 10:49:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:49:03,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 162 [2024-12-02 10:49:03,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:03,132 INFO L225 Difference]: With dead ends: 703 [2024-12-02 10:49:03,132 INFO L226 Difference]: Without dead ends: 563 [2024-12-02 10:49:03,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:49:03,134 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 205 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:03,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 486 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:49:03,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-12-02 10:49:03,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2024-12-02 10:49:03,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 460 states have (on average 1.5130434782608695) internal successors, (696), 460 states have internal predecessors, (696), 92 states have call successors, (92), 4 states have call predecessors, (92), 4 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 10:49:03,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 880 transitions. [2024-12-02 10:49:03,193 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 880 transitions. Word has length 162 [2024-12-02 10:49:03,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:03,194 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 880 transitions. [2024-12-02 10:49:03,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:03,194 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 880 transitions. [2024-12-02 10:49:03,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 10:49:03,197 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:03,197 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:03,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:49:03,197 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:03,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:03,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1559880371, now seen corresponding path program 1 times [2024-12-02 10:49:03,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:03,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444895688] [2024-12-02 10:49:03,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:03,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:03,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:03,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444895688] [2024-12-02 10:49:03,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444895688] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:03,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:03,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:49:03,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866039848] [2024-12-02 10:49:03,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:03,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:49:03,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:03,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:49:03,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:49:03,383 INFO L87 Difference]: Start difference. First operand 557 states and 880 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:03,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:03,571 INFO L93 Difference]: Finished difference Result 1625 states and 2584 transitions. [2024-12-02 10:49:03,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:49:03,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 162 [2024-12-02 10:49:03,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:03,580 INFO L225 Difference]: With dead ends: 1625 [2024-12-02 10:49:03,581 INFO L226 Difference]: Without dead ends: 1071 [2024-12-02 10:49:03,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:49:03,583 INFO L435 NwaCegarLoop]: 278 mSDtfsCounter, 142 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:03,584 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 406 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:49:03,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2024-12-02 10:49:03,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1065. [2024-12-02 10:49:03,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 872 states have (on average 1.4977064220183487) internal successors, (1306), 872 states have internal predecessors, (1306), 184 states have call successors, (184), 8 states have call predecessors, (184), 8 states have return successors, (184), 184 states have call predecessors, (184), 184 states have call successors, (184) [2024-12-02 10:49:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1674 transitions. [2024-12-02 10:49:03,694 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1674 transitions. Word has length 162 [2024-12-02 10:49:03,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:03,694 INFO L471 AbstractCegarLoop]: Abstraction has 1065 states and 1674 transitions. [2024-12-02 10:49:03,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1674 transitions. [2024-12-02 10:49:03,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 10:49:03,699 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:03,699 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:03,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:49:03,699 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:03,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:03,700 INFO L85 PathProgramCache]: Analyzing trace with hash 583084377, now seen corresponding path program 1 times [2024-12-02 10:49:03,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:03,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251046995] [2024-12-02 10:49:03,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:03,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:04,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:04,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251046995] [2024-12-02 10:49:04,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251046995] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:04,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:04,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:49:04,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834574130] [2024-12-02 10:49:04,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:04,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:49:04,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:04,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:49:04,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:49:04,244 INFO L87 Difference]: Start difference. First operand 1065 states and 1674 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:04,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:04,741 INFO L93 Difference]: Finished difference Result 3275 states and 5161 transitions. [2024-12-02 10:49:04,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:49:04,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 163 [2024-12-02 10:49:04,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:04,753 INFO L225 Difference]: With dead ends: 3275 [2024-12-02 10:49:04,753 INFO L226 Difference]: Without dead ends: 2213 [2024-12-02 10:49:04,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:49:04,757 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 305 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:04,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 611 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:49:04,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2024-12-02 10:49:04,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 1879. [2024-12-02 10:49:04,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1879 states, 1590 states have (on average 1.5044025157232706) internal successors, (2392), 1590 states have internal predecessors, (2392), 276 states have call successors, (276), 12 states have call predecessors, (276), 12 states have return successors, (276), 276 states have call predecessors, (276), 276 states have call successors, (276) [2024-12-02 10:49:04,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2944 transitions. [2024-12-02 10:49:04,921 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2944 transitions. Word has length 163 [2024-12-02 10:49:04,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:04,922 INFO L471 AbstractCegarLoop]: Abstraction has 1879 states and 2944 transitions. [2024-12-02 10:49:04,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:04,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2944 transitions. [2024-12-02 10:49:04,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 10:49:04,925 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:04,925 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:04,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:49:04,925 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:04,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:04,926 INFO L85 PathProgramCache]: Analyzing trace with hash 56007664, now seen corresponding path program 1 times [2024-12-02 10:49:04,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:04,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302395373] [2024-12-02 10:49:04,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:04,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:05,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:05,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:05,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302395373] [2024-12-02 10:49:05,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302395373] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:05,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:05,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:49:05,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010823156] [2024-12-02 10:49:05,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:05,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:49:05,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:05,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:49:05,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:49:05,773 INFO L87 Difference]: Start difference. First operand 1879 states and 2944 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:06,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:06,541 INFO L93 Difference]: Finished difference Result 4867 states and 7584 transitions. [2024-12-02 10:49:06,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:49:06,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 163 [2024-12-02 10:49:06,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:06,553 INFO L225 Difference]: With dead ends: 4867 [2024-12-02 10:49:06,553 INFO L226 Difference]: Without dead ends: 3747 [2024-12-02 10:49:06,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:49:06,556 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 296 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:06,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 446 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 10:49:06,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3747 states. [2024-12-02 10:49:06,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3747 to 2929. [2024-12-02 10:49:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2929 states, 2584 states have (on average 1.5123839009287925) internal successors, (3908), 2592 states have internal predecessors, (3908), 324 states have call successors, (324), 20 states have call predecessors, (324), 20 states have return successors, (324), 316 states have call predecessors, (324), 324 states have call successors, (324) [2024-12-02 10:49:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2929 states and 4556 transitions. [2024-12-02 10:49:06,683 INFO L78 Accepts]: Start accepts. Automaton has 2929 states and 4556 transitions. Word has length 163 [2024-12-02 10:49:06,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:06,684 INFO L471 AbstractCegarLoop]: Abstraction has 2929 states and 4556 transitions. [2024-12-02 10:49:06,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 4556 transitions. [2024-12-02 10:49:06,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 10:49:06,687 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:06,687 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:06,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 10:49:06,687 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:06,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:06,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1385921962, now seen corresponding path program 1 times [2024-12-02 10:49:06,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:06,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455002242] [2024-12-02 10:49:06,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:06,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:07,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:07,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455002242] [2024-12-02 10:49:07,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455002242] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:07,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:07,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:49:07,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196235387] [2024-12-02 10:49:07,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:07,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:49:07,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:07,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:49:07,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:49:07,536 INFO L87 Difference]: Start difference. First operand 2929 states and 4556 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 10:49:08,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:08,153 INFO L93 Difference]: Finished difference Result 5010 states and 7777 transitions. [2024-12-02 10:49:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:49:08,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 164 [2024-12-02 10:49:08,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:08,166 INFO L225 Difference]: With dead ends: 5010 [2024-12-02 10:49:08,166 INFO L226 Difference]: Without dead ends: 2957 [2024-12-02 10:49:08,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:49:08,170 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 390 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:08,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 582 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:49:08,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2957 states. [2024-12-02 10:49:08,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2957 to 2929. [2024-12-02 10:49:08,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2929 states, 2584 states have (on average 1.5061919504643964) internal successors, (3892), 2592 states have internal predecessors, (3892), 324 states have call successors, (324), 20 states have call predecessors, (324), 20 states have return successors, (324), 316 states have call predecessors, (324), 324 states have call successors, (324) [2024-12-02 10:49:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2929 states and 4540 transitions. [2024-12-02 10:49:08,334 INFO L78 Accepts]: Start accepts. Automaton has 2929 states and 4540 transitions. Word has length 164 [2024-12-02 10:49:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:08,334 INFO L471 AbstractCegarLoop]: Abstraction has 2929 states and 4540 transitions. [2024-12-02 10:49:08,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 10:49:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 4540 transitions. [2024-12-02 10:49:08,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 10:49:08,337 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:08,337 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:08,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:49:08,338 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:08,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:08,338 INFO L85 PathProgramCache]: Analyzing trace with hash 914900628, now seen corresponding path program 1 times [2024-12-02 10:49:08,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:08,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282017736] [2024-12-02 10:49:08,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:08,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 66 proven. 60 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2024-12-02 10:49:09,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:09,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282017736] [2024-12-02 10:49:09,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282017736] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:49:09,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525477103] [2024-12-02 10:49:09,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:09,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:49:09,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:49:09,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:49:09,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:49:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:09,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 10:49:09,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:49:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 651 proven. 45 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-12-02 10:49:10,424 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:49:10,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 51 proven. 15 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-12-02 10:49:10,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525477103] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:49:10,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:49:10,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 8] total 22 [2024-12-02 10:49:10,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248328350] [2024-12-02 10:49:10,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:49:10,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 10:49:10,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:10,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 10:49:10,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2024-12-02 10:49:10,941 INFO L87 Difference]: Start difference. First operand 2929 states and 4540 transitions. Second operand has 22 states, 22 states have (on average 5.7272727272727275) internal successors, (126), 22 states have internal predecessors, (126), 7 states have call successors, (50), 3 states have call predecessors, (50), 6 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) [2024-12-02 10:49:15,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:15,553 INFO L93 Difference]: Finished difference Result 7309 states and 11001 transitions. [2024-12-02 10:49:15,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-12-02 10:49:15,554 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.7272727272727275) internal successors, (126), 22 states have internal predecessors, (126), 7 states have call successors, (50), 3 states have call predecessors, (50), 6 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) Word has length 164 [2024-12-02 10:49:15,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:15,575 INFO L225 Difference]: With dead ends: 7309 [2024-12-02 10:49:15,575 INFO L226 Difference]: Without dead ends: 5215 [2024-12-02 10:49:15,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1724 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1554, Invalid=4452, Unknown=0, NotChecked=0, Total=6006 [2024-12-02 10:49:15,582 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 2371 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 1691 mSolverCounterSat, 676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2372 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 676 IncrementalHoareTripleChecker+Valid, 1691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:15,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2372 Valid, 1048 Invalid, 2367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [676 Valid, 1691 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 10:49:15,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5215 states. [2024-12-02 10:49:15,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5215 to 3679. [2024-12-02 10:49:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3679 states, 3146 states have (on average 1.4825174825174825) internal successors, (4664), 3164 states have internal predecessors, (4664), 440 states have call successors, (440), 92 states have call predecessors, (440), 92 states have return successors, (440), 422 states have call predecessors, (440), 440 states have call successors, (440) [2024-12-02 10:49:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3679 states to 3679 states and 5544 transitions. [2024-12-02 10:49:15,934 INFO L78 Accepts]: Start accepts. Automaton has 3679 states and 5544 transitions. Word has length 164 [2024-12-02 10:49:15,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:15,935 INFO L471 AbstractCegarLoop]: Abstraction has 3679 states and 5544 transitions. [2024-12-02 10:49:15,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.7272727272727275) internal successors, (126), 22 states have internal predecessors, (126), 7 states have call successors, (50), 3 states have call predecessors, (50), 6 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) [2024-12-02 10:49:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3679 states and 5544 transitions. [2024-12-02 10:49:15,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 10:49:15,938 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:15,938 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:15,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 10:49:16,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:49:16,139 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:16,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:16,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1234277777, now seen corresponding path program 1 times [2024-12-02 10:49:16,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:16,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353883493] [2024-12-02 10:49:16,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:16,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:17,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 120 proven. 60 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-12-02 10:49:17,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:17,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353883493] [2024-12-02 10:49:17,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353883493] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:49:17,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629522429] [2024-12-02 10:49:17,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:17,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:49:17,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:49:17,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:49:17,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 10:49:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:17,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 10:49:17,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:49:18,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 650 proven. 84 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-12-02 10:49:18,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:49:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 90 proven. 39 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2024-12-02 10:49:18,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629522429] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:49:18,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:49:18,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 10] total 32 [2024-12-02 10:49:18,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740675539] [2024-12-02 10:49:18,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:49:18,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-02 10:49:18,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:18,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-02 10:49:18,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=809, Unknown=0, NotChecked=0, Total=992 [2024-12-02 10:49:18,972 INFO L87 Difference]: Start difference. First operand 3679 states and 5544 transitions. Second operand has 32 states, 32 states have (on average 4.4375) internal successors, (142), 31 states have internal predecessors, (142), 10 states have call successors, (44), 5 states have call predecessors, (44), 10 states have return successors, (46), 10 states have call predecessors, (46), 10 states have call successors, (46) [2024-12-02 10:49:21,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:21,807 INFO L93 Difference]: Finished difference Result 8351 states and 12300 transitions. [2024-12-02 10:49:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-02 10:49:21,808 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 4.4375) internal successors, (142), 31 states have internal predecessors, (142), 10 states have call successors, (44), 5 states have call predecessors, (44), 10 states have return successors, (46), 10 states have call predecessors, (46), 10 states have call successors, (46) Word has length 165 [2024-12-02 10:49:21,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:21,820 INFO L225 Difference]: With dead ends: 8351 [2024-12-02 10:49:21,820 INFO L226 Difference]: Without dead ends: 4675 [2024-12-02 10:49:21,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 896 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1121, Invalid=3039, Unknown=0, NotChecked=0, Total=4160 [2024-12-02 10:49:21,824 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 1014 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 1911 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 1911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:21,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 1159 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 1911 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 10:49:21,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4675 states. [2024-12-02 10:49:22,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4675 to 2679. [2024-12-02 10:49:22,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2679 states, 2158 states have (on average 1.3873957367933272) internal successors, (2994), 2172 states have internal predecessors, (2994), 400 states have call successors, (400), 120 states have call predecessors, (400), 120 states have return successors, (400), 386 states have call predecessors, (400), 400 states have call successors, (400) [2024-12-02 10:49:22,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 3794 transitions. [2024-12-02 10:49:22,016 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 3794 transitions. Word has length 165 [2024-12-02 10:49:22,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:22,016 INFO L471 AbstractCegarLoop]: Abstraction has 2679 states and 3794 transitions. [2024-12-02 10:49:22,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.4375) internal successors, (142), 31 states have internal predecessors, (142), 10 states have call successors, (44), 5 states have call predecessors, (44), 10 states have return successors, (46), 10 states have call predecessors, (46), 10 states have call successors, (46) [2024-12-02 10:49:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3794 transitions. [2024-12-02 10:49:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 10:49:22,018 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:22,019 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:22,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 10:49:22,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:49:22,219 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:22,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:22,220 INFO L85 PathProgramCache]: Analyzing trace with hash -48591034, now seen corresponding path program 1 times [2024-12-02 10:49:22,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:22,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467981764] [2024-12-02 10:49:22,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:22,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:22,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:22,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467981764] [2024-12-02 10:49:22,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467981764] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:22,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:22,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 10:49:22,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144758725] [2024-12-02 10:49:22,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:22,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:49:22,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:22,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:49:22,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:49:22,541 INFO L87 Difference]: Start difference. First operand 2679 states and 3794 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 10:49:23,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:23,374 INFO L93 Difference]: Finished difference Result 5782 states and 8171 transitions. [2024-12-02 10:49:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:49:23,375 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 166 [2024-12-02 10:49:23,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:23,388 INFO L225 Difference]: With dead ends: 5782 [2024-12-02 10:49:23,388 INFO L226 Difference]: Without dead ends: 3106 [2024-12-02 10:49:23,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-12-02 10:49:23,394 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 467 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:23,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 613 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 10:49:23,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2024-12-02 10:49:23,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 3086. [2024-12-02 10:49:23,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3086 states, 2469 states have (on average 1.3778857837181044) internal successors, (3402), 2486 states have internal predecessors, (3402), 474 states have call successors, (474), 142 states have call predecessors, (474), 142 states have return successors, (474), 457 states have call predecessors, (474), 474 states have call successors, (474) [2024-12-02 10:49:23,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4350 transitions. [2024-12-02 10:49:23,712 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4350 transitions. Word has length 166 [2024-12-02 10:49:23,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:23,712 INFO L471 AbstractCegarLoop]: Abstraction has 3086 states and 4350 transitions. [2024-12-02 10:49:23,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 10:49:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4350 transitions. [2024-12-02 10:49:23,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 10:49:23,715 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:23,715 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:23,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 10:49:23,716 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:23,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:23,716 INFO L85 PathProgramCache]: Analyzing trace with hash 512532821, now seen corresponding path program 1 times [2024-12-02 10:49:23,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:23,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181983620] [2024-12-02 10:49:23,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:23,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:24,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:24,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181983620] [2024-12-02 10:49:24,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181983620] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:24,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:24,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:49:24,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265766938] [2024-12-02 10:49:24,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:24,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:49:24,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:24,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:49:24,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:49:24,003 INFO L87 Difference]: Start difference. First operand 3086 states and 4350 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:24,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:24,613 INFO L93 Difference]: Finished difference Result 6173 states and 8700 transitions. [2024-12-02 10:49:24,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:49:24,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 166 [2024-12-02 10:49:24,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:24,623 INFO L225 Difference]: With dead ends: 6173 [2024-12-02 10:49:24,623 INFO L226 Difference]: Without dead ends: 3090 [2024-12-02 10:49:24,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:49:24,629 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 172 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:24,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 559 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:49:24,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3090 states. [2024-12-02 10:49:24,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3090 to 3084. [2024-12-02 10:49:24,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3084 states, 2467 states have (on average 1.3773814349412241) internal successors, (3398), 2484 states have internal predecessors, (3398), 474 states have call successors, (474), 142 states have call predecessors, (474), 142 states have return successors, (474), 457 states have call predecessors, (474), 474 states have call successors, (474) [2024-12-02 10:49:24,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 4346 transitions. [2024-12-02 10:49:24,871 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 4346 transitions. Word has length 166 [2024-12-02 10:49:24,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:24,872 INFO L471 AbstractCegarLoop]: Abstraction has 3084 states and 4346 transitions. [2024-12-02 10:49:24,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:24,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 4346 transitions. [2024-12-02 10:49:24,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 10:49:24,875 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:24,875 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:24,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 10:49:24,876 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:24,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:24,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1489984842, now seen corresponding path program 1 times [2024-12-02 10:49:24,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:24,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901549559] [2024-12-02 10:49:24,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:24,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:25,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:25,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901549559] [2024-12-02 10:49:25,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901549559] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:25,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:25,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 10:49:25,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454361754] [2024-12-02 10:49:25,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:25,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:49:25,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:25,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:49:25,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:49:25,265 INFO L87 Difference]: Start difference. First operand 3084 states and 4346 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:26,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:26,569 INFO L93 Difference]: Finished difference Result 4969 states and 7046 transitions. [2024-12-02 10:49:26,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 10:49:26,569 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 167 [2024-12-02 10:49:26,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:26,582 INFO L225 Difference]: With dead ends: 4969 [2024-12-02 10:49:26,582 INFO L226 Difference]: Without dead ends: 3261 [2024-12-02 10:49:26,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-12-02 10:49:26,585 INFO L435 NwaCegarLoop]: 305 mSDtfsCounter, 467 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:26,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 1094 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 10:49:26,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3261 states. [2024-12-02 10:49:26,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3261 to 3083. [2024-12-02 10:49:26,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3083 states, 2466 states have (on average 1.3763179237631793) internal successors, (3394), 2483 states have internal predecessors, (3394), 474 states have call successors, (474), 142 states have call predecessors, (474), 142 states have return successors, (474), 457 states have call predecessors, (474), 474 states have call successors, (474) [2024-12-02 10:49:26,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 3083 states and 4342 transitions. [2024-12-02 10:49:26,795 INFO L78 Accepts]: Start accepts. Automaton has 3083 states and 4342 transitions. Word has length 167 [2024-12-02 10:49:26,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:26,796 INFO L471 AbstractCegarLoop]: Abstraction has 3083 states and 4342 transitions. [2024-12-02 10:49:26,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 4342 transitions. [2024-12-02 10:49:26,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 10:49:26,798 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:26,799 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:26,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 10:49:26,799 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:26,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:26,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1220420413, now seen corresponding path program 1 times [2024-12-02 10:49:26,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:26,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808969217] [2024-12-02 10:49:26,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:26,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:27,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:27,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:27,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808969217] [2024-12-02 10:49:27,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808969217] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:27,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:27,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 10:49:27,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042826941] [2024-12-02 10:49:27,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:27,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:49:27,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:27,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:49:27,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:49:27,601 INFO L87 Difference]: Start difference. First operand 3083 states and 4342 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:28,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:28,719 INFO L93 Difference]: Finished difference Result 6962 states and 9787 transitions. [2024-12-02 10:49:28,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 10:49:28,720 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 167 [2024-12-02 10:49:28,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:28,734 INFO L225 Difference]: With dead ends: 6962 [2024-12-02 10:49:28,734 INFO L226 Difference]: Without dead ends: 3882 [2024-12-02 10:49:28,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-12-02 10:49:28,740 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 462 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:28,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 1035 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 10:49:28,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3882 states. [2024-12-02 10:49:29,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3882 to 3579. [2024-12-02 10:49:29,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3579 states, 2962 states have (on average 1.3855503038487509) internal successors, (4104), 2979 states have internal predecessors, (4104), 474 states have call successors, (474), 142 states have call predecessors, (474), 142 states have return successors, (474), 457 states have call predecessors, (474), 474 states have call successors, (474) [2024-12-02 10:49:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 3579 states and 5052 transitions. [2024-12-02 10:49:29,071 INFO L78 Accepts]: Start accepts. Automaton has 3579 states and 5052 transitions. Word has length 167 [2024-12-02 10:49:29,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:29,071 INFO L471 AbstractCegarLoop]: Abstraction has 3579 states and 5052 transitions. [2024-12-02 10:49:29,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:29,072 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 5052 transitions. [2024-12-02 10:49:29,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 10:49:29,074 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:29,074 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:29,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 10:49:29,074 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:29,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:29,075 INFO L85 PathProgramCache]: Analyzing trace with hash -609894636, now seen corresponding path program 1 times [2024-12-02 10:49:29,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:29,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135669374] [2024-12-02 10:49:29,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:29,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:29,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 75 proven. 51 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2024-12-02 10:49:29,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:29,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135669374] [2024-12-02 10:49:29,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135669374] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:49:29,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210987286] [2024-12-02 10:49:29,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:29,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:49:29,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:49:29,704 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:49:29,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 10:49:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:30,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 10:49:30,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:49:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 655 proven. 171 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-02 10:49:31,025 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:49:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 111 proven. 135 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2024-12-02 10:49:32,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210987286] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:49:32,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:49:32,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18, 17] total 37 [2024-12-02 10:49:32,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354341052] [2024-12-02 10:49:32,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:49:32,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-12-02 10:49:32,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:32,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-12-02 10:49:32,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=1018, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 10:49:32,325 INFO L87 Difference]: Start difference. First operand 3579 states and 5052 transitions. Second operand has 37 states, 36 states have (on average 3.9722222222222223) internal successors, (143), 35 states have internal predecessors, (143), 12 states have call successors, (56), 6 states have call predecessors, (56), 13 states have return successors, (58), 11 states have call predecessors, (58), 12 states have call successors, (58) [2024-12-02 10:49:36,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:36,410 INFO L93 Difference]: Finished difference Result 7824 states and 10833 transitions. [2024-12-02 10:49:36,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-12-02 10:49:36,411 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.9722222222222223) internal successors, (143), 35 states have internal predecessors, (143), 12 states have call successors, (56), 6 states have call predecessors, (56), 13 states have return successors, (58), 11 states have call predecessors, (58), 12 states have call successors, (58) Word has length 167 [2024-12-02 10:49:36,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:36,421 INFO L225 Difference]: With dead ends: 7824 [2024-12-02 10:49:36,421 INFO L226 Difference]: Without dead ends: 5327 [2024-12-02 10:49:36,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2482 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2525, Invalid=6405, Unknown=0, NotChecked=0, Total=8930 [2024-12-02 10:49:36,425 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 729 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 2067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:36,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 1121 Invalid, 2067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 10:49:36,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5327 states. [2024-12-02 10:49:36,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5327 to 2870. [2024-12-02 10:49:36,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2421 states have (on average 1.3952912019826518) internal successors, (3378), 2421 states have internal predecessors, (3378), 322 states have call successors, (322), 126 states have call predecessors, (322), 126 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2024-12-02 10:49:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 4022 transitions. [2024-12-02 10:49:36,611 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 4022 transitions. Word has length 167 [2024-12-02 10:49:36,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:36,611 INFO L471 AbstractCegarLoop]: Abstraction has 2870 states and 4022 transitions. [2024-12-02 10:49:36,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.9722222222222223) internal successors, (143), 35 states have internal predecessors, (143), 12 states have call successors, (56), 6 states have call predecessors, (56), 13 states have return successors, (58), 11 states have call predecessors, (58), 12 states have call successors, (58) [2024-12-02 10:49:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 4022 transitions. [2024-12-02 10:49:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 10:49:36,612 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:36,612 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:36,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 10:49:36,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 10:49:36,813 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:36,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:36,813 INFO L85 PathProgramCache]: Analyzing trace with hash 920894165, now seen corresponding path program 1 times [2024-12-02 10:49:36,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:36,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318738545] [2024-12-02 10:49:36,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:36,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:37,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:37,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:37,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318738545] [2024-12-02 10:49:37,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318738545] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:37,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:37,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:49:37,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116983568] [2024-12-02 10:49:37,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:37,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:49:37,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:37,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:49:37,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:49:37,015 INFO L87 Difference]: Start difference. First operand 2870 states and 4022 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:37,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:37,562 INFO L93 Difference]: Finished difference Result 6806 states and 9616 transitions. [2024-12-02 10:49:37,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:49:37,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 167 [2024-12-02 10:49:37,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:37,571 INFO L225 Difference]: With dead ends: 6806 [2024-12-02 10:49:37,571 INFO L226 Difference]: Without dead ends: 3939 [2024-12-02 10:49:37,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:49:37,575 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 141 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:37,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 625 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:49:37,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2024-12-02 10:49:37,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 3315. [2024-12-02 10:49:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3315 states, 2866 states have (on average 1.4204466154919748) internal successors, (4071), 2866 states have internal predecessors, (4071), 322 states have call successors, (322), 126 states have call predecessors, (322), 126 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2024-12-02 10:49:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 3315 states and 4715 transitions. [2024-12-02 10:49:37,812 INFO L78 Accepts]: Start accepts. Automaton has 3315 states and 4715 transitions. Word has length 167 [2024-12-02 10:49:37,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:37,812 INFO L471 AbstractCegarLoop]: Abstraction has 3315 states and 4715 transitions. [2024-12-02 10:49:37,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:49:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 4715 transitions. [2024-12-02 10:49:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 10:49:37,814 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:37,814 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:37,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 10:49:37,814 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:37,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:37,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1600952535, now seen corresponding path program 1 times [2024-12-02 10:49:37,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:37,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128589546] [2024-12-02 10:49:37,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:37,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:49:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:49:38,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:49:38,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128589546] [2024-12-02 10:49:38,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128589546] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:49:38,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:49:38,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 10:49:38,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614091062] [2024-12-02 10:49:38,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:49:38,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:49:38,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:49:38,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:49:38,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:49:38,008 INFO L87 Difference]: Start difference. First operand 3315 states and 4715 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 10:49:38,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:49:38,753 INFO L93 Difference]: Finished difference Result 5360 states and 7613 transitions. [2024-12-02 10:49:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:49:38,753 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 167 [2024-12-02 10:49:38,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:49:38,766 INFO L225 Difference]: With dead ends: 5360 [2024-12-02 10:49:38,766 INFO L226 Difference]: Without dead ends: 3345 [2024-12-02 10:49:38,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-12-02 10:49:38,771 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 460 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:49:38,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 644 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:49:38,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2024-12-02 10:49:39,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 3305. [2024-12-02 10:49:39,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3305 states, 2856 states have (on average 1.4187675070028012) internal successors, (4052), 2856 states have internal predecessors, (4052), 322 states have call successors, (322), 126 states have call predecessors, (322), 126 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2024-12-02 10:49:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 4696 transitions. [2024-12-02 10:49:39,254 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 4696 transitions. Word has length 167 [2024-12-02 10:49:39,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:49:39,255 INFO L471 AbstractCegarLoop]: Abstraction has 3305 states and 4696 transitions. [2024-12-02 10:49:39,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 10:49:39,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 4696 transitions. [2024-12-02 10:49:39,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 10:49:39,257 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:49:39,257 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:39,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 10:49:39,257 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:49:39,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:49:39,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1502139213, now seen corresponding path program 1 times [2024-12-02 10:49:39,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:49:39,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825338108] [2024-12-02 10:49:39,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:39,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:49:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 10:49:39,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [803185146] [2024-12-02 10:49:39,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:49:39,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:49:39,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:49:39,345 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:49:39,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 10:49:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:49:39,703 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:49:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:49:39,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:49:39,926 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:49:39,927 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:49:39,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 10:49:40,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 10:49:40,133 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:49:40,219 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:49:40,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:49:40 BoogieIcfgContainer [2024-12-02 10:49:40,222 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:49:40,222 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:49:40,222 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:49:40,222 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:49:40,223 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:00" (3/4) ... [2024-12-02 10:49:40,225 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:49:40,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:49:40,227 INFO L158 Benchmark]: Toolchain (without parser) took 40675.87ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 115.7MB in the beginning and 378.2MB in the end (delta: -262.5MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2024-12-02 10:49:40,227 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:49:40,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.01ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 100.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:49:40,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.36ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 95.4MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:49:40,228 INFO L158 Benchmark]: Boogie Preprocessor took 61.61ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 89.7MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:49:40,228 INFO L158 Benchmark]: RCFGBuilder took 632.97ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 58.5MB in the end (delta: 31.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 10:49:40,228 INFO L158 Benchmark]: TraceAbstraction took 39583.48ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 57.9MB in the beginning and 378.2MB in the end (delta: -320.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-12-02 10:49:40,228 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 494.9MB. Free memory was 378.2MB in the beginning and 378.2MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:49:40,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.01ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 100.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.36ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 95.4MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.61ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 89.7MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 632.97ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 58.5MB in the end (delta: 31.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 39583.48ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 57.9MB in the beginning and 378.2MB in the end (delta: -320.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 494.9MB. Free memory was 378.2MB in the beginning and 378.2MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 103, overapproximation of bitwiseOr at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 147, overapproximation of someBinaryDOUBLEComparisonOperation at line 150, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 175, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 175, overapproximation of someBinaryDOUBLEComparisonOperation at line 148. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -64; [L23] unsigned char var_1_3 = 1; [L24] signed char var_1_5 = -32; [L25] unsigned short int var_1_6 = 256; [L26] unsigned long int var_1_10 = 256; [L27] double var_1_12 = 8.2; [L28] signed char var_1_13 = 16; [L29] signed char var_1_14 = 10; [L30] double var_1_15 = 199.125; [L31] double var_1_16 = 9.4; [L32] double var_1_17 = 9999999999999.6; [L33] unsigned char var_1_20 = 32; [L34] unsigned char var_1_21 = 128; [L35] unsigned char var_1_22 = 64; [L36] unsigned long int var_1_23 = 64; [L37] unsigned long int var_1_24 = 5; [L38] signed short int var_1_28 = 256; [L39] signed long int var_1_30 = -4; [L40] double var_1_32 = 0.0; [L41] unsigned short int var_1_34 = 34858; [L42] unsigned short int var_1_35 = 41225; [L43] double var_1_37 = 63.63; [L44] signed char var_1_39 = 10; [L45] signed char var_1_40 = -25; [L46] signed char var_1_41 = 4; [L47] unsigned char var_1_42 = 50; [L48] unsigned long int last_1_var_1_10 = 256; [L49] unsigned char last_1_var_1_20 = 32; VAL [isInitial=0, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=1, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L179] isInitial = 1 [L180] FCALL initially() [L182] CALL updateLastVariables() [L171] last_1_var_1_10 = var_1_10 [L172] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=1, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L182] RET updateLastVariables() [L183] CALL updateVariables() [L134] var_1_3 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L135] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L136] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L136] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L137] var_1_5 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L138] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L139] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L139] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L140] var_1_13 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L141] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L142] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L142] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L143] var_1_14 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L144] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L145] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L145] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L146] var_1_15 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L147] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L148] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L148] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L149] var_1_16 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L150] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L151] var_1_21 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L152] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L153] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L153] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L154] var_1_22 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L155] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L156] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L156] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L157] var_1_34 = __VERIFIER_nondet_ushort() [L158] CALL assume_abort_if_not(var_1_34 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L158] RET assume_abort_if_not(var_1_34 >= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L159] CALL assume_abort_if_not(var_1_34 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L159] RET assume_abort_if_not(var_1_34 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L160] var_1_35 = __VERIFIER_nondet_ushort() [L161] CALL assume_abort_if_not(var_1_35 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L161] RET assume_abort_if_not(var_1_35 >= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L162] CALL assume_abort_if_not(var_1_35 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L162] RET assume_abort_if_not(var_1_35 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L163] var_1_40 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_40 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L164] RET assume_abort_if_not(var_1_40 >= -63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L165] CALL assume_abort_if_not(var_1_40 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L165] RET assume_abort_if_not(var_1_40 <= 63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=4, var_1_42=50, var_1_5=3, var_1_6=256] [L166] var_1_41 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_41 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L167] RET assume_abort_if_not(var_1_41 >= -63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L168] CALL assume_abort_if_not(var_1_41 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L168] RET assume_abort_if_not(var_1_41 <= 63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L183] RET updateVariables() [L184] CALL step() [L53] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L58] signed long int stepLocal_2 = var_1_5 * var_1_13; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=258, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L59] COND TRUE stepLocal_2 > last_1_var_1_10 [L60] var_1_20 = ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L62] COND TRUE (((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L63] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L67] unsigned char stepLocal_1 = var_1_17 <= var_1_17; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, var_1_10=256, var_1_12=41/5, var_1_13=86, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L68] COND FALSE !(stepLocal_1 || var_1_3) [L73] var_1_12 = var_1_16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L75] COND FALSE !(99999.8f < var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L86] COND FALSE !((var_1_17 + var_1_12) <= var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L91] EXPR var_1_6 ^ var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L91] unsigned long int stepLocal_0 = (var_1_6 ^ var_1_20) + var_1_23; [L92] COND FALSE !(var_1_20 <= stepLocal_0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L97] COND TRUE var_1_20 >= ((((var_1_14) > (var_1_23)) ? (var_1_14) : (var_1_23))) [L98] var_1_24 = ((((((((var_1_23) > (var_1_20)) ? (var_1_23) : (var_1_20)))) < (var_1_14)) ? (((((var_1_23) > (var_1_20)) ? (var_1_23) : (var_1_20)))) : (var_1_14))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L102] var_1_28 = var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L103] EXPR var_1_6 ^ var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=-4, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L103] COND TRUE ((var_1_6 ^ var_1_20) % var_1_21) > -10 [L104] var_1_30 = ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L106] EXPR ((((var_1_22) > (-16)) ? (var_1_22) : (-16))) & 16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=0, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L106] COND TRUE (~ var_1_5) <= (((((var_1_22) > (-16)) ? (var_1_22) : (-16))) & 16) [L107] var_1_32 = var_1_16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L115] EXPR var_1_35 & var_1_14 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L115] EXPR (var_1_35 & var_1_14) >> var_1_22 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L115] COND TRUE var_1_20 >= ((var_1_35 & var_1_14) >> var_1_22) [L116] var_1_37 = ((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=2, var_1_39=10, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L118] var_1_39 = (var_1_40 + ((((var_1_41) < 0 ) ? -(var_1_41) : (var_1_41)))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=2, var_1_39=1, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L119] COND FALSE !(var_1_22 > var_1_21) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=2, var_1_39=1, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L184] RET step() [L185] CALL, EXPR property() [L175] EXPR (((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=2, var_1_39=1, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L175-L176] return (((((((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1)) && (((var_1_17 <= var_1_17) || var_1_3) ? (((var_1_17 / var_1_15) > 25.25) ? (var_1_12 == ((double) 128.5)) : 1) : (var_1_12 == ((double) var_1_16)))) && (((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) ? (var_1_3 ? (var_1_17 == ((double) 128.1)) : 1) : 1)) && (((var_1_5 * var_1_13) > last_1_var_1_10) ? (var_1_20 == ((unsigned char) ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))))) : 1)) && (((var_1_17 + var_1_12) <= var_1_17) ? ((var_1_6 >= var_1_6) ? (var_1_23 == ((unsigned long int) var_1_20)) : 1) : 1) ; [L185] RET, EXPR property() [L185] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=2, var_1_39=1, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=86, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=128, var_1_22=0, var_1_23=64, var_1_24=0, var_1_28=128, var_1_30=128, var_1_32=2, var_1_34=32767, var_1_35=32768, var_1_37=2, var_1_39=1, var_1_3=0, var_1_40=0, var_1_41=1, var_1_42=50, var_1_5=3, var_1_6=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 39.4s, OverallIterations: 18, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 19.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7828 SdHoareTripleChecker+Valid, 9.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7809 mSDsluCounter, 11265 SdHoareTripleChecker+Invalid, 8.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8135 mSDsCounter, 2039 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8960 IncrementalHoareTripleChecker+Invalid, 10999 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2039 mSolverCounterUnsat, 3130 mSDtfsCounter, 8960 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1485 GetRequests, 1174 SyntacticMatches, 0 SemanticMatches, 311 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5162 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3679occurred in iteration=9, InterpolantAutomatonStates: 239, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 8382 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 3781 NumberOfCodeBlocks, 3781 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 3919 ConstructedInterpolants, 0 QuantifiedInterpolants, 21939 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1554 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 24 InterpolantComputations, 14 PerfectInterpolantSequences, 23584/24288 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 10:49:40,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/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_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/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_d83726e2-9bee-443f-8afb-ef69e564d76d/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 c576a24d45ab301447d14f0f509fbb4fda0d590a05a36555d57f7b59c4fd472a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:49:42,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:49:42,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:49:42,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:49:42,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:49:42,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:49:42,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:49:42,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:49:42,229 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:49:42,229 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:49:42,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:49:42,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:49:42,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:49:42,230 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:49:42,230 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:49:42,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:49:42,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:49:42,230 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:49:42,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:49:42,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:49:42,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:49:42,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:49:42,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:49:42,231 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:49:42,231 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:49:42,231 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:49:42,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:49:42,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:49:42,231 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:49:42,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:49:42,231 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:49:42,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:49:42,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:49:42,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:49:42,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:42,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:49:42,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:49:42,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:49:42,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:49:42,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:42,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:49:42,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:49:42,232 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:49:42,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:49:42,233 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:49:42,233 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:49:42,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:49:42,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:49:42,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:49:42,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:49:42,233 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_d83726e2-9bee-443f-8afb-ef69e564d76d/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 -> c576a24d45ab301447d14f0f509fbb4fda0d590a05a36555d57f7b59c4fd472a [2024-12-02 10:49:42,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:49:42,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:49:42,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:49:42,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:49:42,494 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:49:42,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i [2024-12-02 10:49:45,272 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/data/eb262a1ab/5897296c9f8c4a84908035a560776520/FLAG229da5117 [2024-12-02 10:49:45,451 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:49:45,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i [2024-12-02 10:49:45,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/data/eb262a1ab/5897296c9f8c4a84908035a560776520/FLAG229da5117 [2024-12-02 10:49:45,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/data/eb262a1ab/5897296c9f8c4a84908035a560776520 [2024-12-02 10:49:45,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:49:45,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:49:45,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:49:45,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:49:45,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:49:45,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61098a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45, skipping insertion in model container [2024-12-02 10:49:45,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:49:45,606 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_d83726e2-9bee-443f-8afb-ef69e564d76d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i[918,931] [2024-12-02 10:49:45,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:49:45,682 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:49:45,691 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_d83726e2-9bee-443f-8afb-ef69e564d76d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i[918,931] [2024-12-02 10:49:45,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:49:45,746 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:49:45,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45 WrapperNode [2024-12-02 10:49:45,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:49:45,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:49:45,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:49:45,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:49:45,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,788 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2024-12-02 10:49:45,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:49:45,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:49:45,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:49:45,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:49:45,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,802 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,815 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 10:49:45,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,825 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:49:45,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:49:45,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:49:45,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:49:45,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (1/1) ... [2024-12-02 10:49:45,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:49:45,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:49:45,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:49:45,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:49:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:49:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:49:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:49:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:49:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:49:45,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:49:45,959 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:49:45,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:50:01,264 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 10:50:01,264 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:50:01,277 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:50:01,277 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:50:01,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:50:01 BoogieIcfgContainer [2024-12-02 10:50:01,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:50:01,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:50:01,280 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:50:01,285 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:50:01,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:49:45" (1/3) ... [2024-12-02 10:50:01,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eab0015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:50:01, skipping insertion in model container [2024-12-02 10:50:01,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:45" (2/3) ... [2024-12-02 10:50:01,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eab0015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:50:01, skipping insertion in model container [2024-12-02 10:50:01,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:50:01" (3/3) ... [2024-12-02 10:50:01,289 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i [2024-12-02 10:50:01,306 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:50:01,308 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-3.i that has 2 procedures, 83 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:50:01,362 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:50:01,372 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;@5a14feb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:50:01,372 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:50:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 10:50:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 10:50:01,386 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:50:01,386 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:50:01,387 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:50:01,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:50:01,391 INFO L85 PathProgramCache]: Analyzing trace with hash 993755553, now seen corresponding path program 1 times [2024-12-02 10:50:01,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:50:01,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489767379] [2024-12-02 10:50:01,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:50:01,402 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:50:01,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:50:01,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:50:01,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 10:50:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:50:02,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:50:02,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:50:05,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:50:05,097 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:50:05,097 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:50:05,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489767379] [2024-12-02 10:50:05,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489767379] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:50:05,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:50:05,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:50:05,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126558583] [2024-12-02 10:50:05,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:50:05,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:50:05,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:50:05,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:50:05,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:50:05,121 INFO L87 Difference]: Start difference. First operand has 83 states, 57 states have (on average 1.5087719298245614) internal successors, (86), 58 states have internal predecessors, (86), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:50:09,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:11,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:16,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:20,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:23,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:25,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:29,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:33,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:37,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:41,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:41,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:50:41,610 INFO L93 Difference]: Finished difference Result 235 states and 430 transitions. [2024-12-02 10:50:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:50:41,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 153 [2024-12-02 10:50:41,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:50:41,621 INFO L225 Difference]: With dead ends: 235 [2024-12-02 10:50:41,621 INFO L226 Difference]: Without dead ends: 155 [2024-12-02 10:50:41,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:50:41,627 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 49 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:50:41,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 394 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 7 Unknown, 0 Unchecked, 36.4s Time] [2024-12-02 10:50:41,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-12-02 10:50:41,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153. [2024-12-02 10:50:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 104 states have (on average 1.4134615384615385) internal successors, (147), 104 states have internal predecessors, (147), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 10:50:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 239 transitions. [2024-12-02 10:50:41,677 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 239 transitions. Word has length 153 [2024-12-02 10:50:41,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:50:41,678 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 239 transitions. [2024-12-02 10:50:41,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:50:41,678 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 239 transitions. [2024-12-02 10:50:41,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 10:50:41,681 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:50:41,681 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:50:41,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 10:50:41,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:50:41,882 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:50:41,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:50:41,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1334272061, now seen corresponding path program 1 times [2024-12-02 10:50:41,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:50:41,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640625884] [2024-12-02 10:50:41,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:50:41,883 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:50:41,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:50:41,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:50:41,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 10:50:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:50:42,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:50:42,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:50:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:50:43,020 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:50:43,021 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:50:43,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640625884] [2024-12-02 10:50:43,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640625884] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:50:43,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:50:43,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:50:43,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222097029] [2024-12-02 10:50:43,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:50:43,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:50:43,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:50:43,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:50:43,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:50:43,024 INFO L87 Difference]: Start difference. First operand 153 states and 239 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:50:47,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:51,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:50:51,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:50:51,984 INFO L93 Difference]: Finished difference Result 367 states and 574 transitions. [2024-12-02 10:50:51,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:50:51,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 154 [2024-12-02 10:50:51,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:50:51,988 INFO L225 Difference]: With dead ends: 367 [2024-12-02 10:50:51,988 INFO L226 Difference]: Without dead ends: 217 [2024-12-02 10:50:51,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:50:51,990 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 46 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:50:51,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 230 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 17 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2024-12-02 10:50:51,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-12-02 10:50:52,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 202. [2024-12-02 10:50:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 153 states have (on average 1.4444444444444444) internal successors, (221), 153 states have internal predecessors, (221), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 10:50:52,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 313 transitions. [2024-12-02 10:50:52,020 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 313 transitions. Word has length 154 [2024-12-02 10:50:52,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:50:52,021 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 313 transitions. [2024-12-02 10:50:52,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:50:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 313 transitions. [2024-12-02 10:50:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 10:50:52,025 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:50:52,025 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:50:52,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 10:50:52,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:50:52,226 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:50:52,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:50:52,227 INFO L85 PathProgramCache]: Analyzing trace with hash 421856349, now seen corresponding path program 1 times [2024-12-02 10:50:52,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:50:52,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117015242] [2024-12-02 10:50:52,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:50:52,228 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:50:52,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:50:52,230 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:50:52,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 10:50:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:50:53,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:50:53,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:50:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:50:53,918 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:50:53,918 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:50:53,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117015242] [2024-12-02 10:50:53,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [117015242] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:50:53,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:50:53,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:50:53,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939204082] [2024-12-02 10:50:53,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:50:53,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:50:53,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:50:53,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:50:53,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:50:53,921 INFO L87 Difference]: Start difference. First operand 202 states and 313 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:50:58,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:02,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:03,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:51:03,086 INFO L93 Difference]: Finished difference Result 415 states and 638 transitions. [2024-12-02 10:51:03,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:51:03,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 155 [2024-12-02 10:51:03,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:51:03,093 INFO L225 Difference]: With dead ends: 415 [2024-12-02 10:51:03,093 INFO L226 Difference]: Without dead ends: 216 [2024-12-02 10:51:03,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:51:03,095 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 43 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:51:03,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 248 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2024-12-02 10:51:03,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-12-02 10:51:03,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 202. [2024-12-02 10:51:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 153 states have (on average 1.392156862745098) internal successors, (213), 153 states have internal predecessors, (213), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 10:51:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 305 transitions. [2024-12-02 10:51:03,128 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 305 transitions. Word has length 155 [2024-12-02 10:51:03,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:51:03,129 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 305 transitions. [2024-12-02 10:51:03,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:51:03,129 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 305 transitions. [2024-12-02 10:51:03,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 10:51:03,132 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:51:03,133 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:51:03,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/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)] Ended with exit code 0 [2024-12-02 10:51:03,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:51:03,333 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:51:03,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:51:03,334 INFO L85 PathProgramCache]: Analyzing trace with hash 160318258, now seen corresponding path program 1 times [2024-12-02 10:51:03,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:51:03,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [322917482] [2024-12-02 10:51:03,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:51:03,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:51:03,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:51:03,338 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:51:03,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/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 (5)] Waiting until timeout for monitored process [2024-12-02 10:51:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:51:04,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 10:51:04,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:51:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:51:11,848 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:51:11,848 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:51:11,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [322917482] [2024-12-02 10:51:11,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [322917482] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:51:11,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:51:11,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:51:11,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680363127] [2024-12-02 10:51:11,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:51:11,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:51:11,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:51:11,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:51:11,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:51:11,851 INFO L87 Difference]: Start difference. First operand 202 states and 305 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:51:19,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:23,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:27,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:31,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:35,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:39,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:43,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:47,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:51,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:55,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:51:59,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:03,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:07,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:11,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:13,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:19,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:23,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:24,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:24,097 INFO L93 Difference]: Finished difference Result 1212 states and 1829 transitions. [2024-12-02 10:52:24,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 10:52:24,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2024-12-02 10:52:24,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:24,103 INFO L225 Difference]: With dead ends: 1212 [2024-12-02 10:52:24,104 INFO L226 Difference]: Without dead ends: 1013 [2024-12-02 10:52:24,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:52:24,105 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 285 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 48 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:24,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1044 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 377 Invalid, 16 Unknown, 0 Unchecked, 71.5s Time] [2024-12-02 10:52:24,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2024-12-02 10:52:24,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 781. [2024-12-02 10:52:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 588 states have (on average 1.380952380952381) internal successors, (812), 588 states have internal predecessors, (812), 184 states have call successors, (184), 8 states have call predecessors, (184), 8 states have return successors, (184), 184 states have call predecessors, (184), 184 states have call successors, (184) [2024-12-02 10:52:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1180 transitions. [2024-12-02 10:52:24,223 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1180 transitions. Word has length 156 [2024-12-02 10:52:24,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:24,224 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1180 transitions. [2024-12-02 10:52:24,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:52:24,224 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1180 transitions. [2024-12-02 10:52:24,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 10:52:24,227 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:24,227 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:52:24,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/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 (5)] Forceful destruction successful, exit code 0 [2024-12-02 10:52:24,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:52:24,428 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:24,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:24,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1645120076, now seen corresponding path program 1 times [2024-12-02 10:52:24,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:52:24,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267810870] [2024-12-02 10:52:24,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:24,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:52:24,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:52:24,431 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:52:24,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/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 (6)] Waiting until timeout for monitored process [2024-12-02 10:52:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:25,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 10:52:25,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:52:30,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 10:52:30,914 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:52:30,915 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:52:30,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267810870] [2024-12-02 10:52:30,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267810870] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:52:30,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:52:30,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:52:30,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413282710] [2024-12-02 10:52:30,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:52:30,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:52:30,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:52:30,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:52:30,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:52:30,916 INFO L87 Difference]: Start difference. First operand 781 states and 1180 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:52:36,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:40,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:45,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:49,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:53,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:52:53,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:52:53,486 INFO L93 Difference]: Finished difference Result 2284 states and 3443 transitions. [2024-12-02 10:52:53,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:52:53,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2024-12-02 10:52:53,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:52:53,591 INFO L225 Difference]: With dead ends: 2284 [2024-12-02 10:52:53,591 INFO L226 Difference]: Without dead ends: 1506 [2024-12-02 10:52:53,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:52:53,595 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 121 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 48 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:52:53,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 366 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 40 Invalid, 5 Unknown, 0 Unchecked, 22.4s Time] [2024-12-02 10:52:53,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2024-12-02 10:52:53,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1189. [2024-12-02 10:52:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 876 states have (on average 1.3584474885844748) internal successors, (1190), 876 states have internal predecessors, (1190), 299 states have call successors, (299), 13 states have call predecessors, (299), 13 states have return successors, (299), 299 states have call predecessors, (299), 299 states have call successors, (299) [2024-12-02 10:52:53,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1788 transitions. [2024-12-02 10:52:53,752 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1788 transitions. Word has length 156 [2024-12-02 10:52:53,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:52:53,753 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1788 transitions. [2024-12-02 10:52:53,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-12-02 10:52:53,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1788 transitions. [2024-12-02 10:52:53,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 10:52:53,755 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:52:53,756 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:52:53,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/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 (6)] Forceful destruction successful, exit code 0 [2024-12-02 10:52:53,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:52:53,957 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:52:53,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:52:53,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1424739218, now seen corresponding path program 1 times [2024-12-02 10:52:53,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:52:53,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697479843] [2024-12-02 10:52:53,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:52:53,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:52:53,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:52:53,959 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:52:53,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83726e2-9bee-443f-8afb-ef69e564d76d/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 (7)] Waiting until timeout for monitored process [2024-12-02 10:52:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:52:55,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 10:52:55,091 INFO L279 TraceCheckSpWp]: Computing forward predicates...