./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.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_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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_bd91b2e9-3095-4808-9382-cda8b26061b2/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 6bd3e010bc1161b63e7109d8f2f51cd280074799234e989c902599e5e44de78e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:37:37,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:37:37,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:37:37,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:37:37,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:37:37,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:37:37,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:37:37,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:37:37,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:37:37,539 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:37:37,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:37:37,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:37:37,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:37:37,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:37:37,539 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:37:37,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:37:37,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:37:37,540 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:37:37,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:37:37,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:37:37,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:37:37,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:37:37,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:37:37,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:37:37,540 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:37:37,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:37:37,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:37:37,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:37:37,541 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:37:37,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:37:37,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:37:37,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:37:37,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:37:37,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:37:37,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:37:37,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:37:37,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:37:37,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:37:37,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:37:37,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:37:37,542 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:37:37,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:37:37,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:37:37,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:37:37,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:37:37,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:37:37,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:37:37,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:37:37,542 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_bd91b2e9-3095-4808-9382-cda8b26061b2/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 -> 6bd3e010bc1161b63e7109d8f2f51cd280074799234e989c902599e5e44de78e [2024-12-02 15:37:37,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:37:37,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:37:37,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:37:37,785 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:37:37,785 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:37:37,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2024-12-02 15:37:40,400 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/data/679c81dd2/01e180a1ed124f6d9a93ffab81272b9d/FLAG71d2576d5 [2024-12-02 15:37:40,626 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:37:40,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2024-12-02 15:37:40,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/data/679c81dd2/01e180a1ed124f6d9a93ffab81272b9d/FLAG71d2576d5 [2024-12-02 15:37:40,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/data/679c81dd2/01e180a1ed124f6d9a93ffab81272b9d [2024-12-02 15:37:40,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:37:40,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:37:40,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:37:40,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:37:40,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:37:40,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:40,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4916d452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40, skipping insertion in model container [2024-12-02 15:37:40,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:40,669 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:37:40,798 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_bd91b2e9-3095-4808-9382-cda8b26061b2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i[919,932] [2024-12-02 15:37:40,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:37:40,875 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:37:40,885 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_bd91b2e9-3095-4808-9382-cda8b26061b2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i[919,932] [2024-12-02 15:37:40,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:37:40,931 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:37:40,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40 WrapperNode [2024-12-02 15:37:40,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:37:40,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:37:40,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:37:40,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:37:40,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:40,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:40,982 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 208 [2024-12-02 15:37:40,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:37:40,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:37:40,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:37:40,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:37:40,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:40,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:40,995 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:41,012 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 15:37:41,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:41,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:41,021 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:41,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:41,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:41,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:41,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:41,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:37:41,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:37:41,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:37:41,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:37:41,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (1/1) ... [2024-12-02 15:37:41,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:37:41,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:37:41,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:37:41,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:37:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:37:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:37:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:37:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:37:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:37:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:37:41,162 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:37:41,164 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:37:41,517 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 15:37:41,517 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:37:41,527 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:37:41,527 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:37:41,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:37:41 BoogieIcfgContainer [2024-12-02 15:37:41,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:37:41,529 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:37:41,529 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:37:41,533 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:37:41,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:37:40" (1/3) ... [2024-12-02 15:37:41,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33feb4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:37:41, skipping insertion in model container [2024-12-02 15:37:41,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:37:40" (2/3) ... [2024-12-02 15:37:41,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33feb4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:37:41, skipping insertion in model container [2024-12-02 15:37:41,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:37:41" (3/3) ... [2024-12-02 15:37:41,536 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2024-12-02 15:37:41,546 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:37:41,548 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i that has 2 procedures, 90 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:37:41,593 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:37:41,603 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;@608262ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:37:41,603 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:37:41,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 64 states have internal predecessors, (90), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:37:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 15:37:41,618 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:37:41,618 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:41,618 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:37:41,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:37:41,623 INFO L85 PathProgramCache]: Analyzing trace with hash -2078825009, now seen corresponding path program 1 times [2024-12-02 15:37:41,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:37:41,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477835475] [2024-12-02 15:37:41,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:41,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:37:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-12-02 15:37:41,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:37:41,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477835475] [2024-12-02 15:37:41,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477835475] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:37:41,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453020558] [2024-12-02 15:37:41,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:41,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:37:41,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:37:41,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:37:41,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:37:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:42,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:37:42,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:37:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-12-02 15:37:42,100 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:37:42,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453020558] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:37:42,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:37:42,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:37:42,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333199162] [2024-12-02 15:37:42,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:37:42,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:37:42,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:37:42,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:37:42,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:37:42,128 INFO L87 Difference]: Start difference. First operand has 90 states, 63 states have (on average 1.4285714285714286) internal successors, (90), 64 states have internal predecessors, (90), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:37:42,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:37:42,155 INFO L93 Difference]: Finished difference Result 173 states and 294 transitions. [2024-12-02 15:37:42,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:37:42,156 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 164 [2024-12-02 15:37:42,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:37:42,162 INFO L225 Difference]: With dead ends: 173 [2024-12-02 15:37:42,162 INFO L226 Difference]: Without dead ends: 86 [2024-12-02 15:37:42,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 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 15:37:42,168 INFO L435 NwaCegarLoop]: 130 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, 130 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 15:37:42,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:37:42,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-12-02 15:37:42,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-12-02 15:37:42,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 60 states have internal predecessors, (82), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:37:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 130 transitions. [2024-12-02 15:37:42,200 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 130 transitions. Word has length 164 [2024-12-02 15:37:42,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:37:42,200 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 130 transitions. [2024-12-02 15:37:42,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:37:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2024-12-02 15:37:42,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 15:37:42,204 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:37:42,204 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:42,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:37:42,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:37:42,405 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:37:42,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:37:42,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1775929739, now seen corresponding path program 1 times [2024-12-02 15:37:42,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:37:42,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879346674] [2024-12-02 15:37:42,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:42,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:37:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:42,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 15:37:42,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:37:42,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879346674] [2024-12-02 15:37:42,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879346674] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:37:42,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:37:42,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:37:42,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035613850] [2024-12-02 15:37:42,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:37:42,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:37:42,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:37:42,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:37:42,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:37:42,630 INFO L87 Difference]: Start difference. First operand 86 states and 130 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:37:42,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:37:42,662 INFO L93 Difference]: Finished difference Result 170 states and 259 transitions. [2024-12-02 15:37:42,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:37:42,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 164 [2024-12-02 15:37:42,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:37:42,665 INFO L225 Difference]: With dead ends: 170 [2024-12-02 15:37:42,665 INFO L226 Difference]: Without dead ends: 87 [2024-12-02 15:37:42,665 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 15:37:42,666 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:37:42,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 251 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:37:42,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-12-02 15:37:42,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-12-02 15:37:42,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 61 states have (on average 1.360655737704918) internal successors, (83), 61 states have internal predecessors, (83), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:37:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 131 transitions. [2024-12-02 15:37:42,677 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 131 transitions. Word has length 164 [2024-12-02 15:37:42,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:37:42,679 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 131 transitions. [2024-12-02 15:37:42,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:37:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 131 transitions. [2024-12-02 15:37:42,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 15:37:42,681 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:37:42,682 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:42,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:37:42,682 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:37:42,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:37:42,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1541581580, now seen corresponding path program 1 times [2024-12-02 15:37:42,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:37:42,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596855335] [2024-12-02 15:37:42,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:42,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:37:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:42,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 15:37:42,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:37:42,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596855335] [2024-12-02 15:37:42,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596855335] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:37:42,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:37:42,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:37:42,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319648929] [2024-12-02 15:37:42,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:37:42,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:37:42,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:37:42,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:37:42,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:37:42,973 INFO L87 Difference]: Start difference. First operand 87 states and 131 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:37:43,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:37:43,147 INFO L93 Difference]: Finished difference Result 171 states and 259 transitions. [2024-12-02 15:37:43,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:37:43,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2024-12-02 15:37:43,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:37:43,150 INFO L225 Difference]: With dead ends: 171 [2024-12-02 15:37:43,150 INFO L226 Difference]: Without dead ends: 87 [2024-12-02 15:37:43,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:37:43,152 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 123 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:37:43,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 191 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:37:43,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-12-02 15:37:43,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-12-02 15:37:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 61 states have internal predecessors, (82), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:37:43,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2024-12-02 15:37:43,164 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 165 [2024-12-02 15:37:43,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:37:43,165 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2024-12-02 15:37:43,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:37:43,165 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2024-12-02 15:37:43,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 15:37:43,167 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:37:43,168 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:43,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:37:43,168 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:37:43,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:37:43,168 INFO L85 PathProgramCache]: Analyzing trace with hash 233425782, now seen corresponding path program 1 times [2024-12-02 15:37:43,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:37:43,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394577833] [2024-12-02 15:37:43,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:43,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:37:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:43,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 15:37:43,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:37:43,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394577833] [2024-12-02 15:37:43,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394577833] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:37:43,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:37:43,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:37:43,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315345015] [2024-12-02 15:37:43,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:37:43,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:37:43,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:37:43,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:37:43,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:37:43,500 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:37:43,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:37:43,573 INFO L93 Difference]: Finished difference Result 242 states and 368 transitions. [2024-12-02 15:37:43,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:37:43,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2024-12-02 15:37:43,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:37:43,576 INFO L225 Difference]: With dead ends: 242 [2024-12-02 15:37:43,576 INFO L226 Difference]: Without dead ends: 158 [2024-12-02 15:37:43,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:37:43,578 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 60 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:37:43,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 367 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:37:43,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-12-02 15:37:43,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 146. [2024-12-02 15:37:43,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 95 states have (on average 1.3157894736842106) internal successors, (125), 95 states have internal predecessors, (125), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 15:37:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 221 transitions. [2024-12-02 15:37:43,611 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 221 transitions. Word has length 165 [2024-12-02 15:37:43,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:37:43,612 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 221 transitions. [2024-12-02 15:37:43,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:37:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2024-12-02 15:37:43,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 15:37:43,615 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:37:43,615 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:43,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:37:43,615 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:37:43,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:37:43,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1742368321, now seen corresponding path program 1 times [2024-12-02 15:37:43,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:37:43,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098471466] [2024-12-02 15:37:43,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:43,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:37:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 15:37:43,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:37:43,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098471466] [2024-12-02 15:37:43,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098471466] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:37:43,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:37:43,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:37:43,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224157264] [2024-12-02 15:37:43,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:37:43,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:37:43,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:37:43,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:37:43,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:37:43,866 INFO L87 Difference]: Start difference. First operand 146 states and 221 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:37:43,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:37:43,916 INFO L93 Difference]: Finished difference Result 232 states and 351 transitions. [2024-12-02 15:37:43,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:37:43,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 166 [2024-12-02 15:37:43,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:37:43,919 INFO L225 Difference]: With dead ends: 232 [2024-12-02 15:37:43,919 INFO L226 Difference]: Without dead ends: 148 [2024-12-02 15:37:43,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:37:43,921 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:37:43,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 369 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:37:43,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-12-02 15:37:43,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 147. [2024-12-02 15:37:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 96 states have (on average 1.3125) internal successors, (126), 96 states have internal predecessors, (126), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 15:37:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 222 transitions. [2024-12-02 15:37:43,952 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 222 transitions. Word has length 166 [2024-12-02 15:37:43,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:37:43,953 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 222 transitions. [2024-12-02 15:37:43,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:37:43,953 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2024-12-02 15:37:43,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 15:37:43,956 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:37:43,956 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:43,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:37:43,956 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:37:43,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:37:43,957 INFO L85 PathProgramCache]: Analyzing trace with hash 2368450, now seen corresponding path program 1 times [2024-12-02 15:37:43,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:37:43,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718198799] [2024-12-02 15:37:43,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:43,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:37:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 15:37:44,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:37:44,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718198799] [2024-12-02 15:37:44,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718198799] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:37:44,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452227820] [2024-12-02 15:37:44,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:44,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:37:44,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:37:44,383 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:37:44,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:37:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:44,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:37:44,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:37:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 23 proven. 69 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 15:37:44,897 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:37:45,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 15:37:45,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452227820] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:37:45,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:37:45,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-12-02 15:37:45,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548970029] [2024-12-02 15:37:45,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:37:45,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:37:45,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:37:45,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:37:45,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:37:45,179 INFO L87 Difference]: Start difference. First operand 147 states and 222 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-02 15:37:45,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:37:45,394 INFO L93 Difference]: Finished difference Result 257 states and 381 transitions. [2024-12-02 15:37:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:37:45,394 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 167 [2024-12-02 15:37:45,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:37:45,396 INFO L225 Difference]: With dead ends: 257 [2024-12-02 15:37:45,396 INFO L226 Difference]: Without dead ends: 159 [2024-12-02 15:37:45,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 331 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:37:45,398 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 117 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:37:45,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 250 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:37:45,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-12-02 15:37:45,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 155. [2024-12-02 15:37:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 102 states have (on average 1.2745098039215685) internal successors, (130), 102 states have internal predecessors, (130), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 15:37:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 226 transitions. [2024-12-02 15:37:45,419 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 226 transitions. Word has length 167 [2024-12-02 15:37:45,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:37:45,420 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 226 transitions. [2024-12-02 15:37:45,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-02 15:37:45,420 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 226 transitions. [2024-12-02 15:37:45,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-02 15:37:45,421 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:37:45,422 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:45,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:37:45,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:37:45,622 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:37:45,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:37:45,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1925596484, now seen corresponding path program 1 times [2024-12-02 15:37:45,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:37:45,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830650128] [2024-12-02 15:37:45,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:45,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:37:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 15:37:46,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:37:46,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830650128] [2024-12-02 15:37:46,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830650128] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:37:46,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238662860] [2024-12-02 15:37:46,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:46,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:37:46,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:37:46,065 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:37:46,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:37:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:46,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 15:37:46,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:37:46,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 485 proven. 48 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2024-12-02 15:37:46,949 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:37:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 15:37:47,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238662860] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:37:47,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:37:47,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12, 12] total 26 [2024-12-02 15:37:47,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158957913] [2024-12-02 15:37:47,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:37:47,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 15:37:47,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:37:47,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 15:37:47,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2024-12-02 15:37:47,615 INFO L87 Difference]: Start difference. First operand 155 states and 226 transitions. Second operand has 26 states, 25 states have (on average 5.64) internal successors, (141), 26 states have internal predecessors, (141), 6 states have call successors, (65), 3 states have call predecessors, (65), 6 states have return successors, (65), 5 states have call predecessors, (65), 6 states have call successors, (65) [2024-12-02 15:37:50,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:37:50,413 INFO L93 Difference]: Finished difference Result 667 states and 933 transitions. [2024-12-02 15:37:50,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-02 15:37:50,414 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 5.64) internal successors, (141), 26 states have internal predecessors, (141), 6 states have call successors, (65), 3 states have call predecessors, (65), 6 states have return successors, (65), 5 states have call predecessors, (65), 6 states have call successors, (65) Word has length 167 [2024-12-02 15:37:50,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:37:50,418 INFO L225 Difference]: With dead ends: 667 [2024-12-02 15:37:50,418 INFO L226 Difference]: Without dead ends: 569 [2024-12-02 15:37:50,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1738 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1071, Invalid=5091, Unknown=0, NotChecked=0, Total=6162 [2024-12-02 15:37:50,422 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 1585 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 1907 mSolverCounterSat, 711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 2618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 711 IncrementalHoareTripleChecker+Valid, 1907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:37:50,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1592 Valid, 1533 Invalid, 2618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [711 Valid, 1907 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 15:37:50,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-12-02 15:37:50,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 474. [2024-12-02 15:37:50,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 336 states have (on average 1.2410714285714286) internal successors, (417), 340 states have internal predecessors, (417), 118 states have call successors, (118), 19 states have call predecessors, (118), 19 states have return successors, (118), 114 states have call predecessors, (118), 118 states have call successors, (118) [2024-12-02 15:37:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 653 transitions. [2024-12-02 15:37:50,494 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 653 transitions. Word has length 167 [2024-12-02 15:37:50,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:37:50,494 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 653 transitions. [2024-12-02 15:37:50,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 5.64) internal successors, (141), 26 states have internal predecessors, (141), 6 states have call successors, (65), 3 states have call predecessors, (65), 6 states have return successors, (65), 5 states have call predecessors, (65), 6 states have call successors, (65) [2024-12-02 15:37:50,495 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 653 transitions. [2024-12-02 15:37:50,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:37:50,496 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:37:50,496 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:50,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:37:50,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-02 15:37:50,696 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:37:50,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:37:50,697 INFO L85 PathProgramCache]: Analyzing trace with hash 18139264, now seen corresponding path program 1 times [2024-12-02 15:37:50,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:37:50,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792159520] [2024-12-02 15:37:50,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:50,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:37:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:50,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 15:37:50,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:37:50,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792159520] [2024-12-02 15:37:50,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792159520] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:37:50,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:37:50,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:37:50,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398392027] [2024-12-02 15:37:50,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:37:50,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:37:50,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:37:50,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:37:50,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:37:50,788 INFO L87 Difference]: Start difference. First operand 474 states and 653 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:37:50,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:37:50,866 INFO L93 Difference]: Finished difference Result 963 states and 1309 transitions. [2024-12-02 15:37:50,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:37:50,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 168 [2024-12-02 15:37:50,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:37:50,871 INFO L225 Difference]: With dead ends: 963 [2024-12-02 15:37:50,871 INFO L226 Difference]: Without dead ends: 566 [2024-12-02 15:37:50,873 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 15:37:50,873 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 33 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:37:50,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 242 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:37:50,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-12-02 15:37:50,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 558. [2024-12-02 15:37:50,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 407 states have (on average 1.2358722358722358) internal successors, (503), 414 states have internal predecessors, (503), 124 states have call successors, (124), 26 states have call predecessors, (124), 26 states have return successors, (124), 117 states have call predecessors, (124), 124 states have call successors, (124) [2024-12-02 15:37:50,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 751 transitions. [2024-12-02 15:37:50,933 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 751 transitions. Word has length 168 [2024-12-02 15:37:50,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:37:50,933 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 751 transitions. [2024-12-02 15:37:50,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:37:50,933 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 751 transitions. [2024-12-02 15:37:50,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:37:50,935 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:37:50,935 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:50,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:37:50,935 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:37:50,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:37:50,936 INFO L85 PathProgramCache]: Analyzing trace with hash -992977986, now seen corresponding path program 1 times [2024-12-02 15:37:50,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:37:50,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141608056] [2024-12-02 15:37:50,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:50,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:37:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:51,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 15:37:51,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:37:51,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141608056] [2024-12-02 15:37:51,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141608056] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:37:51,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:37:51,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:37:51,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681832566] [2024-12-02 15:37:51,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:37:51,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:37:51,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:37:51,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:37:51,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:37:51,297 INFO L87 Difference]: Start difference. First operand 558 states and 751 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:37:51,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:37:51,456 INFO L93 Difference]: Finished difference Result 1077 states and 1449 transitions. [2024-12-02 15:37:51,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:37:51,456 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 168 [2024-12-02 15:37:51,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:37:51,461 INFO L225 Difference]: With dead ends: 1077 [2024-12-02 15:37:51,461 INFO L226 Difference]: Without dead ends: 594 [2024-12-02 15:37:51,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:37:51,463 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 65 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:37:51,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 442 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:37:51,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2024-12-02 15:37:51,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 560. [2024-12-02 15:37:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 409 states have (on average 1.2371638141809291) internal successors, (506), 416 states have internal predecessors, (506), 124 states have call successors, (124), 26 states have call predecessors, (124), 26 states have return successors, (124), 117 states have call predecessors, (124), 124 states have call successors, (124) [2024-12-02 15:37:51,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 754 transitions. [2024-12-02 15:37:51,538 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 754 transitions. Word has length 168 [2024-12-02 15:37:51,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:37:51,539 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 754 transitions. [2024-12-02 15:37:51,539 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:37:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 754 transitions. [2024-12-02 15:37:51,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:37:51,541 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:37:51,541 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:51,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:37:51,542 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:37:51,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:37:51,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1496550976, now seen corresponding path program 1 times [2024-12-02 15:37:51,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:37:51,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849028011] [2024-12-02 15:37:51,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:37:51,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:37:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:37:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 15:37:58,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:37:58,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849028011] [2024-12-02 15:37:58,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849028011] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:37:58,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:37:58,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 15:37:58,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424058638] [2024-12-02 15:37:58,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:37:58,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 15:37:58,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:37:58,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 15:37:58,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:37:58,736 INFO L87 Difference]: Start difference. First operand 560 states and 754 transitions. Second operand has 17 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:38:02,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:38:02,161 INFO L93 Difference]: Finished difference Result 1204 states and 1617 transitions. [2024-12-02 15:38:02,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 15:38:02,161 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 168 [2024-12-02 15:38:02,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:38:02,166 INFO L225 Difference]: With dead ends: 1204 [2024-12-02 15:38:02,166 INFO L226 Difference]: Without dead ends: 727 [2024-12-02 15:38:02,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2024-12-02 15:38:02,168 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 305 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:38:02,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 992 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 15:38:02,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-12-02 15:38:02,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 608. [2024-12-02 15:38:02,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 457 states have (on average 1.2407002188183807) internal successors, (567), 464 states have internal predecessors, (567), 124 states have call successors, (124), 26 states have call predecessors, (124), 26 states have return successors, (124), 117 states have call predecessors, (124), 124 states have call successors, (124) [2024-12-02 15:38:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 815 transitions. [2024-12-02 15:38:02,238 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 815 transitions. Word has length 168 [2024-12-02 15:38:02,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:38:02,238 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 815 transitions. [2024-12-02 15:38:02,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:38:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 815 transitions. [2024-12-02 15:38:02,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:38:02,240 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:38:02,241 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:02,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:38:02,241 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:38:02,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:38:02,241 INFO L85 PathProgramCache]: Analyzing trace with hash -2118357950, now seen corresponding path program 1 times [2024-12-02 15:38:02,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:38:02,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677876172] [2024-12-02 15:38:02,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:02,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:38:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 15:38:02,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:38:02,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677876172] [2024-12-02 15:38:02,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677876172] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:38:02,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:38:02,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:38:02,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159165892] [2024-12-02 15:38:02,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:38:02,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:38:02,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:38:02,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:38:02,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:38:02,632 INFO L87 Difference]: Start difference. First operand 608 states and 815 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:38:02,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:38:02,797 INFO L93 Difference]: Finished difference Result 1321 states and 1752 transitions. [2024-12-02 15:38:02,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:38:02,798 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 168 [2024-12-02 15:38:02,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:38:02,803 INFO L225 Difference]: With dead ends: 1321 [2024-12-02 15:38:02,803 INFO L226 Difference]: Without dead ends: 844 [2024-12-02 15:38:02,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:38:02,805 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 137 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:38:02,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 494 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:38:02,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2024-12-02 15:38:02,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 685. [2024-12-02 15:38:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 515 states have (on average 1.2233009708737863) internal successors, (630), 524 states have internal predecessors, (630), 138 states have call successors, (138), 31 states have call predecessors, (138), 31 states have return successors, (138), 129 states have call predecessors, (138), 138 states have call successors, (138) [2024-12-02 15:38:02,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 906 transitions. [2024-12-02 15:38:02,886 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 906 transitions. Word has length 168 [2024-12-02 15:38:02,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:38:02,887 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 906 transitions. [2024-12-02 15:38:02,887 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, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:38:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 906 transitions. [2024-12-02 15:38:02,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 15:38:02,889 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:38:02,889 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:02,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:38:02,889 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:38:02,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:38:02,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1033932885, now seen corresponding path program 1 times [2024-12-02 15:38:02,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:38:02,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634927957] [2024-12-02 15:38:02,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:02,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:38:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:03,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 15:38:03,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:38:03,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634927957] [2024-12-02 15:38:03,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634927957] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:38:03,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761709566] [2024-12-02 15:38:03,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:03,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:38:03,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:38:03,312 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:38:03,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 15:38:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:03,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 15:38:03,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:38:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 90 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-12-02 15:38:04,027 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:38:04,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 42 proven. 93 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-12-02 15:38:04,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761709566] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:38:04,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:38:04,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 9] total 21 [2024-12-02 15:38:04,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469237617] [2024-12-02 15:38:04,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:38:04,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 15:38:04,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:38:04,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 15:38:04,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-12-02 15:38:04,475 INFO L87 Difference]: Start difference. First operand 685 states and 906 transitions. Second operand has 21 states, 19 states have (on average 6.368421052631579) internal successors, (121), 19 states have internal predecessors, (121), 9 states have call successors, (72), 4 states have call predecessors, (72), 8 states have return successors, (72), 8 states have call predecessors, (72), 9 states have call successors, (72) [2024-12-02 15:38:05,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:38:05,289 INFO L93 Difference]: Finished difference Result 1406 states and 1849 transitions. [2024-12-02 15:38:05,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 15:38:05,290 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.368421052631579) internal successors, (121), 19 states have internal predecessors, (121), 9 states have call successors, (72), 4 states have call predecessors, (72), 8 states have return successors, (72), 8 states have call predecessors, (72), 9 states have call successors, (72) Word has length 169 [2024-12-02 15:38:05,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:38:05,293 INFO L225 Difference]: With dead ends: 1406 [2024-12-02 15:38:05,293 INFO L226 Difference]: Without dead ends: 802 [2024-12-02 15:38:05,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=445, Invalid=1037, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 15:38:05,295 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 907 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:38:05,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 337 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:38:05,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2024-12-02 15:38:05,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 606. [2024-12-02 15:38:05,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 443 states have (on average 1.2257336343115124) internal successors, (543), 451 states have internal predecessors, (543), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 123 states have call predecessors, (131), 131 states have call successors, (131) [2024-12-02 15:38:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 805 transitions. [2024-12-02 15:38:05,343 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 805 transitions. Word has length 169 [2024-12-02 15:38:05,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:38:05,343 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 805 transitions. [2024-12-02 15:38:05,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.368421052631579) internal successors, (121), 19 states have internal predecessors, (121), 9 states have call successors, (72), 4 states have call predecessors, (72), 8 states have return successors, (72), 8 states have call predecessors, (72), 9 states have call successors, (72) [2024-12-02 15:38:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 805 transitions. [2024-12-02 15:38:05,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 15:38:05,346 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:38:05,346 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:05,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 15:38:05,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 15:38:05,546 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:38:05,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:38:05,547 INFO L85 PathProgramCache]: Analyzing trace with hash -920153145, now seen corresponding path program 1 times [2024-12-02 15:38:05,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:38:05,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698610182] [2024-12-02 15:38:05,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:05,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:38:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 15:38:09,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:38:09,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698610182] [2024-12-02 15:38:09,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698610182] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:38:09,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:38:09,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 15:38:09,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570849226] [2024-12-02 15:38:09,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:38:09,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:38:09,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:38:09,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:38:09,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:38:09,514 INFO L87 Difference]: Start difference. First operand 606 states and 805 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:38:10,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:38:10,329 INFO L93 Difference]: Finished difference Result 1203 states and 1584 transitions. [2024-12-02 15:38:10,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:38:10,330 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 169 [2024-12-02 15:38:10,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:38:10,333 INFO L225 Difference]: With dead ends: 1203 [2024-12-02 15:38:10,333 INFO L226 Difference]: Without dead ends: 704 [2024-12-02 15:38:10,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:38:10,335 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 76 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:38:10,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 680 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:38:10,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-12-02 15:38:10,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 634. [2024-12-02 15:38:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 471 states have (on average 1.1953290870488322) internal successors, (563), 479 states have internal predecessors, (563), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 123 states have call predecessors, (131), 131 states have call successors, (131) [2024-12-02 15:38:10,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 825 transitions. [2024-12-02 15:38:10,430 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 825 transitions. Word has length 169 [2024-12-02 15:38:10,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:38:10,431 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 825 transitions. [2024-12-02 15:38:10,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:38:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 825 transitions. [2024-12-02 15:38:10,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 15:38:10,432 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:38:10,432 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:10,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:38:10,432 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:38:10,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:38:10,433 INFO L85 PathProgramCache]: Analyzing trace with hash -240094775, now seen corresponding path program 1 times [2024-12-02 15:38:10,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:38:10,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557425946] [2024-12-02 15:38:10,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:10,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:38:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 15:38:14,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:38:14,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557425946] [2024-12-02 15:38:14,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557425946] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:38:14,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:38:14,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 15:38:14,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563728908] [2024-12-02 15:38:14,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:38:14,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 15:38:14,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:38:14,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 15:38:14,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:38:14,486 INFO L87 Difference]: Start difference. First operand 634 states and 825 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:38:16,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:38:16,166 INFO L93 Difference]: Finished difference Result 1377 states and 1794 transitions. [2024-12-02 15:38:16,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:38:16,166 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 169 [2024-12-02 15:38:16,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:38:16,169 INFO L225 Difference]: With dead ends: 1377 [2024-12-02 15:38:16,169 INFO L226 Difference]: Without dead ends: 940 [2024-12-02 15:38:16,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2024-12-02 15:38:16,171 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 230 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:38:16,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 749 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:38:16,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-12-02 15:38:16,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 851. [2024-12-02 15:38:16,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 635 states have (on average 1.204724409448819) internal successors, (765), 644 states have internal predecessors, (765), 176 states have call successors, (176), 39 states have call predecessors, (176), 39 states have return successors, (176), 167 states have call predecessors, (176), 176 states have call successors, (176) [2024-12-02 15:38:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1117 transitions. [2024-12-02 15:38:16,289 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1117 transitions. Word has length 169 [2024-12-02 15:38:16,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:38:16,289 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1117 transitions. [2024-12-02 15:38:16,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:38:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1117 transitions. [2024-12-02 15:38:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 15:38:16,291 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:38:16,291 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:16,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:38:16,291 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:38:16,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:38:16,291 INFO L85 PathProgramCache]: Analyzing trace with hash -869450834, now seen corresponding path program 1 times [2024-12-02 15:38:16,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:38:16,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383244164] [2024-12-02 15:38:16,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:16,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:38:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:38:16,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288429295] [2024-12-02 15:38:16,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:16,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:38:16,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:38:16,349 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:38:16,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 15:38:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:38:16,541 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:38:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:38:16,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:38:16,691 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:38:16,692 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:38:16,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 15:38:16,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 15:38:16,896 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:38:16,982 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:38:16,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:38:16 BoogieIcfgContainer [2024-12-02 15:38:16,985 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:38:16,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:38:16,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:38:16,986 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:38:16,986 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:37:41" (3/4) ... [2024-12-02 15:38:16,988 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:38:16,989 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:38:16,990 INFO L158 Benchmark]: Toolchain (without parser) took 36343.06ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 117.0MB in the beginning and 188.5MB in the end (delta: -71.5MB). Peak memory consumption was 305.7MB. Max. memory is 16.1GB. [2024-12-02 15:38:16,990 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:38:16,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.21ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 101.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:38:16,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.05ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.4MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:38:16,991 INFO L158 Benchmark]: Boogie Preprocessor took 50.58ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 88.9MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:38:16,991 INFO L158 Benchmark]: RCFGBuilder took 493.32ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 61.7MB in the end (delta: 27.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 15:38:16,991 INFO L158 Benchmark]: TraceAbstraction took 35455.69ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 61.2MB in the beginning and 188.6MB in the end (delta: -127.4MB). Peak memory consumption was 246.9MB. Max. memory is 16.1GB. [2024-12-02 15:38:16,992 INFO L158 Benchmark]: Witness Printer took 3.69ms. Allocated memory is still 520.1MB. Free memory was 188.6MB in the beginning and 188.5MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:38:16,993 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.21ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 101.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.05ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.4MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.58ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 88.9MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 493.32ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 61.7MB in the end (delta: 27.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 35455.69ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 61.2MB in the beginning and 188.6MB in the end (delta: -127.4MB). Peak memory consumption was 246.9MB. Max. memory is 16.1GB. * Witness Printer took 3.69ms. Allocated memory is still 520.1MB. Free memory was 188.6MB in the beginning and 188.5MB in the end (delta: 46.1kB). 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 someBinaryFLOATComparisonOperation at line 135, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 169, overapproximation of someBinaryFLOATComparisonOperation at line 133, overapproximation of someBinaryFLOATComparisonOperation at line 137, overapproximation of bitwiseAnd at line 61, overapproximation of someUnaryDOUBLEoperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 158, overapproximation of someBinaryDOUBLEComparisonOperation at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 164, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryArithmeticFLOAToperation at line 86, overapproximation of someUnaryFLOAToperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_7 = 0; [L24] unsigned char var_1_8 = 1; [L25] signed short int var_1_9 = -2; [L26] float var_1_13 = 999.4; [L27] float var_1_14 = 100.425; [L28] float var_1_15 = 3.375; [L29] float var_1_16 = 15.9; [L30] signed short int var_1_17 = -10; [L31] signed short int var_1_18 = 18060; [L32] unsigned char var_1_20 = 0; [L33] unsigned long int var_1_21 = 4; [L34] unsigned char var_1_23 = 0; [L35] unsigned char var_1_24 = 0; [L36] unsigned char var_1_25 = 100; [L37] unsigned char var_1_26 = 32; [L38] unsigned char var_1_27 = 10; [L39] unsigned char var_1_28 = 1; [L40] unsigned short int var_1_29 = 256; [L41] unsigned char var_1_30 = 1; [L42] unsigned char var_1_31 = 4; [L43] double var_1_33 = 31.625; [L44] double var_1_36 = 15.75; [L45] double var_1_37 = 15.375; [L46] unsigned short int var_1_38 = 16; [L47] unsigned char var_1_39 = 0; [L48] double var_1_44 = 128.5; [L49] float var_1_45 = 1.85; [L50] double var_1_46 = 1.5; [L51] double var_1_47 = 99999999999.4; [L52] unsigned char var_1_49 = 128; VAL [isInitial=0, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=0, var_1_8=1, var_1_9=-2] [L173] isInitial = 1 [L174] FCALL initially() [L176] FCALL updateLastVariables() [L177] CALL updateVariables() [L126] var_1_7 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L127] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L128] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L128] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L129] var_1_8 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L130] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L131] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L131] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_13=4997/5, var_1_14=4017/40, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L132] var_1_14 = __VERIFIER_nondet_float() [L133] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L133] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_15=27/8, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L134] var_1_15 = __VERIFIER_nondet_float() [L135] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L135] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_16=159/10, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L136] var_1_16 = __VERIFIER_nondet_float() [L137] 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, var_1_13=4997/5, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L137] 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, var_1_13=4997/5, var_1_17=-10, var_1_18=18060, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L138] var_1_18 = __VERIFIER_nondet_short() [L139] CALL assume_abort_if_not(var_1_18 >= 16382) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L139] RET assume_abort_if_not(var_1_18 >= 16382) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L140] CALL assume_abort_if_not(var_1_18 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L140] RET assume_abort_if_not(var_1_18 <= 32766) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=4, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L141] var_1_21 = __VERIFIER_nondet_ulong() [L142] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L142] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L143] CALL assume_abort_if_not(var_1_21 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L143] RET assume_abort_if_not(var_1_21 <= 4294967295) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L144] CALL assume_abort_if_not(var_1_21 != 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L144] RET assume_abort_if_not(var_1_21 != 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L145] var_1_23 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L146] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L147] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L147] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L148] var_1_24 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L149] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L150] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L150] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=32, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L151] var_1_26 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L152] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L153] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L153] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=10, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L154] var_1_27 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L155] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L156] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L156] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_36=63/4, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L157] var_1_36 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L158] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854765600e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_37=123/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L159] var_1_37 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L160] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_46=3/2, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L161] var_1_46 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_46 >= 0.0F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 9223372.036854776000e+12F && var_1_46 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L162] RET assume_abort_if_not((var_1_46 >= 0.0F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 9223372.036854776000e+12F && var_1_46 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_47=499999999997/5, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L163] var_1_47 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_47 >= 0.0F && var_1_47 <= -1.0e-20F) || (var_1_47 <= 9223372.036854776000e+12F && var_1_47 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L164] RET assume_abort_if_not((var_1_47 >= 0.0F && var_1_47 <= -1.0e-20F) || (var_1_47 <= 9223372.036854776000e+12F && var_1_47 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=4, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L177] RET updateVariables() [L178] CALL step() [L56] var_1_31 = var_1_26 VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L57] COND FALSE !(! var_1_7) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_38=16, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L60] var_1_38 = ((((var_1_27) > (var_1_27)) ? (var_1_27) : (var_1_27))) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_38=0, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L61] EXPR var_1_18 & (var_1_29 + 2u) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_38=0, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L61] EXPR 16u >> var_1_26 VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_38=0, var_1_39=0, var_1_44=257/2, var_1_45=37/20, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L61] COND TRUE (var_1_18 & (var_1_29 + 2u)) < (16u >> var_1_26) [L62] var_1_39 = ((var_1_7 && (var_1_7 && var_1_8)) && (! var_1_23)) VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_38=0, var_1_39=1, var_1_44=257/2, var_1_45=37/20, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L64] COND FALSE !(var_1_36 <= var_1_16) [L69] var_1_44 = var_1_36 VAL [isInitial=1, var_1_13=4997/5, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=37/20, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L71] COND FALSE !((var_1_14 * (var_1_46 - var_1_47)) < var_1_14) [L76] var_1_45 = (((((((((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) < (var_1_37)) ? (((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) : (var_1_37))) < 0 ) ? -((((((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) < (var_1_37)) ? (((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) : (var_1_37))) : ((((((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) < (var_1_37)) ? (((((var_1_14) > (var_1_36)) ? (var_1_14) : (var_1_36)))) : (var_1_37))))) VAL [isInitial=1, var_1_13=4997/5, var_1_14=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L78] var_1_20 || (var_1_26 >= (var_1_18 & var_1_27)) VAL [isInitial=1, var_1_13=4997/5, var_1_14=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L78] EXPR var_1_18 & var_1_27 VAL [isInitial=1, var_1_13=4997/5, var_1_14=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L78] var_1_20 || (var_1_26 >= (var_1_18 & var_1_27)) VAL [isInitial=1, var_1_13=4997/5, var_1_14=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=128, var_1_7=1, var_1_8=1, var_1_9=-2] [L78] COND TRUE var_1_20 || (var_1_26 >= (var_1_18 & var_1_27)) [L79] COND FALSE !(-2 > var_1_27) [L82] var_1_49 = var_1_26 VAL [isInitial=1, var_1_13=4997/5, var_1_14=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=-2] [L85] COND TRUE \read(var_1_8) [L86] var_1_13 = (((((var_1_14 + var_1_15)) < (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16))))) ? ((var_1_14 + var_1_15)) : (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16)))))) VAL [isInitial=1, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=-2] [L88] COND TRUE \read(var_1_8) [L89] var_1_25 = (var_1_26 + var_1_27) VAL [isInitial=1, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=256, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=-2] [L91] var_1_29 = var_1_27 [L92] var_1_30 = var_1_8 VAL [isInitial=1, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=-2] [L93] COND FALSE !((var_1_29 > var_1_25) && var_1_30) [L96] var_1_9 = ((((var_1_25) > ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25))))) ? (var_1_25) : ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25)))))) VAL [isInitial=1, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=-10, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] [L98] var_1_17 = ((var_1_18 - 25) - var_1_25) [L99] signed long int stepLocal_2 = var_1_25 + var_1_17; VAL [isInitial=1, stepLocal_2=16357, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=16357, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] [L100] COND TRUE ((var_1_18 % var_1_21) & ((((1u) < 0 ) ? -(1u) : (1u)))) < stepLocal_2 [L101] var_1_20 = (var_1_23 || var_1_24) VAL [isInitial=1, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=16357, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] [L105] signed short int stepLocal_3 = var_1_9; VAL [isInitial=1, stepLocal_3=0, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=16357, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] [L106] COND FALSE !((~ var_1_29) > stepLocal_3) [L109] var_1_28 = (var_1_20 || ((! var_1_23) && (var_1_24 || var_1_7))) VAL [isInitial=1, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=16357, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] [L111] signed long int stepLocal_1 = (((var_1_9) > (var_1_25)) ? (var_1_9) : (var_1_25)); [L112] unsigned char stepLocal_0 = var_1_25; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=16357, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] [L113] COND TRUE stepLocal_1 <= (var_1_25 - var_1_25) VAL [isInitial=1, stepLocal_0=0, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=16357, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] [L114] COND FALSE !(stepLocal_0 < var_1_25) VAL [isInitial=1, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=16357, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] [L178] RET step() [L179] CALL, EXPR property() [L169-L170] return (((((((((((((var_1_9) > (var_1_25)) ? (var_1_9) : (var_1_25))) <= (var_1_25 - var_1_25)) ? ((var_1_25 < var_1_25) ? (var_1_20 ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_8))) : 1) : (var_1_1 == ((unsigned char) 0))) && (((var_1_29 > var_1_25) && var_1_30) ? (var_1_9 == ((signed short int) var_1_25)) : (var_1_9 == ((signed short int) ((((var_1_25) > ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25))))) ? (var_1_25) : ((((((var_1_25 - 10)) < (var_1_25)) ? ((var_1_25 - 10)) : (var_1_25)))))))))) && (var_1_8 ? (var_1_13 == ((float) (((((var_1_14 + var_1_15)) < (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16))))) ? ((var_1_14 + var_1_15)) : (((((-0.2f) < (var_1_16)) ? (-0.2f) : (var_1_16)))))))) : 1)) && (var_1_17 == ((signed short int) ((var_1_18 - 25) - var_1_25)))) && ((((var_1_18 % var_1_21) & ((((1u) < 0 ) ? -(1u) : (1u)))) < (var_1_25 + var_1_17)) ? (var_1_20 == ((unsigned char) (var_1_23 || var_1_24))) : (var_1_20 == ((unsigned char) var_1_7)))) && (var_1_8 ? (var_1_25 == ((unsigned char) (var_1_26 + var_1_27))) : 1)) && (((~ var_1_29) > var_1_9) ? (var_1_28 == ((unsigned char) (! var_1_7))) : (var_1_28 == ((unsigned char) (var_1_20 || ((! var_1_23) && (var_1_24 || var_1_7))))))) && (var_1_29 == ((unsigned short int) var_1_27))) && (var_1_30 == ((unsigned char) var_1_8)) ; VAL [\result=0, isInitial=1, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=16357, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=16357, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_13=4, var_1_14=0, var_1_16=0, var_1_17=16357, var_1_18=16382, var_1_1=1, var_1_20=0, var_1_21=16382, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_33=253/8, var_1_36=2, var_1_37=0, var_1_38=0, var_1_39=1, var_1_44=2, var_1_45=3, var_1_49=0, var_1_7=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 90 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.3s, OverallIterations: 15, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3653 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3638 mSDsluCounter, 7027 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5294 mSDsCounter, 1242 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4429 IncrementalHoareTripleChecker+Invalid, 5671 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1242 mSolverCounterUnsat, 1733 mSDtfsCounter, 4429 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1386 GetRequests, 1178 SyntacticMatches, 1 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2289 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=851occurred in iteration=14, InterpolantAutomatonStates: 163, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 787 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 20.8s InterpolantComputationTime, 3344 NumberOfCodeBlocks, 3344 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3486 ConstructedInterpolants, 0 QuantifiedInterpolants, 15279 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1586 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 21 InterpolantComputations, 11 PerfectInterpolantSequences, 22556/23184 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 15:38:17,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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_bd91b2e9-3095-4808-9382-cda8b26061b2/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 6bd3e010bc1161b63e7109d8f2f51cd280074799234e989c902599e5e44de78e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:38:18,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:38:19,049 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:38:19,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:38:19,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:38:19,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:38:19,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:38:19,081 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:38:19,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:38:19,081 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:38:19,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:38:19,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:38:19,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:38:19,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:38:19,082 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:38:19,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:38:19,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:38:19,083 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:38:19,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:38:19,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:38:19,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:38:19,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:38:19,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:38:19,083 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:38:19,083 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:38:19,083 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:38:19,083 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:38:19,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:38:19,084 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:38:19,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:38:19,084 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:38:19,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:38:19,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:38:19,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:38:19,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:38:19,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:38:19,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:38:19,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:38:19,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:38:19,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:38:19,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:38:19,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:38:19,085 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:38:19,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:38:19,085 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:38:19,085 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:38:19,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:38:19,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:38:19,086 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:38:19,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:38:19,086 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_bd91b2e9-3095-4808-9382-cda8b26061b2/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 -> 6bd3e010bc1161b63e7109d8f2f51cd280074799234e989c902599e5e44de78e [2024-12-02 15:38:19,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:38:19,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:38:19,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:38:19,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:38:19,339 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:38:19,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2024-12-02 15:38:21,994 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/data/7dc60998f/5f112ebb19a84a0a966fe459a43e0b86/FLAG966b03327 [2024-12-02 15:38:22,179 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:38:22,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2024-12-02 15:38:22,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/data/7dc60998f/5f112ebb19a84a0a966fe459a43e0b86/FLAG966b03327 [2024-12-02 15:38:22,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/data/7dc60998f/5f112ebb19a84a0a966fe459a43e0b86 [2024-12-02 15:38:22,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:38:22,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:38:22,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:38:22,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:38:22,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:38:22,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b46b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22, skipping insertion in model container [2024-12-02 15:38:22,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:38:22,342 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_bd91b2e9-3095-4808-9382-cda8b26061b2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i[919,932] [2024-12-02 15:38:22,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:38:22,428 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:38:22,438 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_bd91b2e9-3095-4808-9382-cda8b26061b2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i[919,932] [2024-12-02 15:38:22,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:38:22,495 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:38:22,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22 WrapperNode [2024-12-02 15:38:22,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:38:22,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:38:22,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:38:22,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:38:22,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,541 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2024-12-02 15:38:22,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:38:22,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:38:22,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:38:22,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:38:22,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,557 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,571 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 15:38:22,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,584 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:38:22,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:38:22,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:38:22,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:38:22,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (1/1) ... [2024-12-02 15:38:22,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:38:22,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:38:22,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:38:22,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:38:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:38:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:38:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:38:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:38:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:38:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:38:22,723 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:38:22,725 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:38:33,599 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-02 15:38:33,599 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:38:33,609 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:38:33,609 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:38:33,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:33 BoogieIcfgContainer [2024-12-02 15:38:33,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:38:33,612 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:38:33,613 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:38:33,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:38:33,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:38:22" (1/3) ... [2024-12-02 15:38:33,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5072fa64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:38:33, skipping insertion in model container [2024-12-02 15:38:33,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:22" (2/3) ... [2024-12-02 15:38:33,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5072fa64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:38:33, skipping insertion in model container [2024-12-02 15:38:33,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:33" (3/3) ... [2024-12-02 15:38:33,620 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i [2024-12-02 15:38:33,635 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:38:33,637 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-50.i that has 2 procedures, 79 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:38:33,682 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:38:33,692 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;@255c7eb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:38:33,692 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:38:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 53 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:38:33,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:38:33,708 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:38:33,708 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:33,709 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:38:33,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:38:33,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1164577728, now seen corresponding path program 1 times [2024-12-02 15:38:33,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:38:33,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883128844] [2024-12-02 15:38:33,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:33,725 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 15:38:33,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:38:33,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:33,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:34,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:38:34,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:38:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2024-12-02 15:38:34,408 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:38:34,409 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:38:34,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883128844] [2024-12-02 15:38:34,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883128844] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:38:34,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:38:34,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:38:34,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165995115] [2024-12-02 15:38:34,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:38:34,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:38:34,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:38:34,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:38:34,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:38:34,433 INFO L87 Difference]: Start difference. First operand has 79 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 53 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:38:34,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:38:34,457 INFO L93 Difference]: Finished difference Result 151 states and 260 transitions. [2024-12-02 15:38:34,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:38:34,458 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2024-12-02 15:38:34,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:38:34,464 INFO L225 Difference]: With dead ends: 151 [2024-12-02 15:38:34,464 INFO L226 Difference]: Without dead ends: 75 [2024-12-02 15:38:34,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 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 15:38:34,470 INFO L435 NwaCegarLoop]: 113 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, 113 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 15:38:34,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:38:34,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-12-02 15:38:34,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-12-02 15:38:34,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:38:34,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2024-12-02 15:38:34,506 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 160 [2024-12-02 15:38:34,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:38:34,506 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2024-12-02 15:38:34,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:38:34,507 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-12-02 15:38:34,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:38:34,510 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:38:34,510 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:34,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:34,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:34,711 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:38:34,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:38:34,712 INFO L85 PathProgramCache]: Analyzing trace with hash -791925380, now seen corresponding path program 1 times [2024-12-02 15:38:34,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:38:34,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992687797] [2024-12-02 15:38:34,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:34,713 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 15:38:34,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:38:34,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:34,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:35,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:38:35,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:38:36,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 23 proven. 69 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 15:38:36,496 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:38:37,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 15:38:37,381 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:38:37,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992687797] [2024-12-02 15:38:37,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992687797] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:38:37,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:38:37,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-12-02 15:38:37,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160415253] [2024-12-02 15:38:37,382 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:38:37,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:38:37,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:38:37,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:38:37,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:38:37,385 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-02 15:38:38,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:38:38,442 INFO L93 Difference]: Finished difference Result 155 states and 230 transitions. [2024-12-02 15:38:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:38:38,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 160 [2024-12-02 15:38:38,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:38:38,445 INFO L225 Difference]: With dead ends: 155 [2024-12-02 15:38:38,445 INFO L226 Difference]: Without dead ends: 83 [2024-12-02 15:38:38,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 312 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:38:38,447 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 43 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:38:38,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 194 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:38:38,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-12-02 15:38:38,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2024-12-02 15:38:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 52 states have internal predecessors, (67), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:38:38,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 115 transitions. [2024-12-02 15:38:38,464 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 115 transitions. Word has length 160 [2024-12-02 15:38:38,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:38:38,465 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 115 transitions. [2024-12-02 15:38:38,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-02 15:38:38,465 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2024-12-02 15:38:38,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:38:38,468 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:38:38,468 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:38,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:38,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:38,668 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:38:38,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:38:38,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1609573830, now seen corresponding path program 1 times [2024-12-02 15:38:38,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:38:38,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720141096] [2024-12-02 15:38:38,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:38,669 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 15:38:38,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:38:38,671 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:38,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:39,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:38:39,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:38:39,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 15:38:39,327 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:38:39,327 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:38:39,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720141096] [2024-12-02 15:38:39,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720141096] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:38:39,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:38:39,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:38:39,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687618499] [2024-12-02 15:38:39,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:38:39,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:38:39,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:38:39,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:38:39,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:38:39,330 INFO L87 Difference]: Start difference. First operand 79 states and 115 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:38:39,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:38:39,627 INFO L93 Difference]: Finished difference Result 217 states and 320 transitions. [2024-12-02 15:38:39,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:38:39,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-12-02 15:38:39,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:38:39,630 INFO L225 Difference]: With dead ends: 217 [2024-12-02 15:38:39,630 INFO L226 Difference]: Without dead ends: 141 [2024-12-02 15:38:39,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 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 15:38:39,631 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 104 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:38:39,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 482 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:38:39,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-12-02 15:38:39,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 79. [2024-12-02 15:38:39,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 52 states have internal predecessors, (66), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 15:38:39,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 114 transitions. [2024-12-02 15:38:39,652 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 114 transitions. Word has length 160 [2024-12-02 15:38:39,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:38:39,652 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 114 transitions. [2024-12-02 15:38:39,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 15:38:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2024-12-02 15:38:39,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:38:39,655 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:38:39,655 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:38:39,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:39,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:39,856 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:38:39,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:38:39,857 INFO L85 PathProgramCache]: Analyzing trace with hash 165433532, now seen corresponding path program 1 times [2024-12-02 15:38:39,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:38:39,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647456464] [2024-12-02 15:38:39,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:38:39,857 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 15:38:39,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:38:39,859 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:39,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91b2e9-3095-4808-9382-cda8b26061b2/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 15:38:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:38:40,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 15:38:40,495 INFO L279 TraceCheckSpWp]: Computing forward predicates...