./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.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_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 62ea2a992a63f62694d044d93223d6b697490145b70f7277a2bce759d06cac7e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:59:34,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:59:34,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:59:34,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:59:34,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:59:34,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:59:34,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:59:34,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:59:34,287 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:59:34,287 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:59:34,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:59:34,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:59:34,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:59:34,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:59:34,288 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:59:34,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:59:34,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:59:34,288 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:59:34,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:59:34,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:59:34,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:59:34,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:59:34,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:59:34,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:59:34,289 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:59:34,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:59:34,289 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:59:34,289 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:59:34,289 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:59:34,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:59:34,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:59:34,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:59:34,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:59:34,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:59:34,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:59:34,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:59:34,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:59:34,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:59:34,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:59:34,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:59:34,291 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:59:34,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:59:34,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:59:34,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:59:34,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:59:34,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:59:34,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:59:34,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:59:34,291 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_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 -> 62ea2a992a63f62694d044d93223d6b697490145b70f7277a2bce759d06cac7e [2024-12-02 12:59:34,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:59:34,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:59:34,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:59:34,561 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:59:34,561 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:59:34,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i [2024-12-02 12:59:37,259 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/data/2b80c20ea/158afd8ac1b543b6a3406840f69f6748/FLAG6a406e3f1 [2024-12-02 12:59:37,476 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:59:37,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i [2024-12-02 12:59:37,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/data/2b80c20ea/158afd8ac1b543b6a3406840f69f6748/FLAG6a406e3f1 [2024-12-02 12:59:37,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/data/2b80c20ea/158afd8ac1b543b6a3406840f69f6748 [2024-12-02 12:59:37,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:59:37,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:59:37,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:59:37,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:59:37,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:59:37,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138be23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37, skipping insertion in model container [2024-12-02 12:59:37,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:59:37,650 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_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i[916,929] [2024-12-02 12:59:37,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:59:37,712 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:59:37,721 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_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i[916,929] [2024-12-02 12:59:37,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:59:37,763 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:59:37,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37 WrapperNode [2024-12-02 12:59:37,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:59:37,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:59:37,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:59:37,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:59:37,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,804 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-12-02 12:59:37,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:59:37,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:59:37,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:59:37,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:59:37,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,817 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,829 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 12:59:37,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,836 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:59:37,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:59:37,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:59:37,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:59:37,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (1/1) ... [2024-12-02 12:59:37,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:59:37,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:59:37,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:59:37,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:59:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:59:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:59:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:59:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:59:37,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:59:37,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:59:37,957 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:59:37,958 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:59:38,196 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 12:59:38,196 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:59:38,204 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:59:38,204 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:59:38,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:59:38 BoogieIcfgContainer [2024-12-02 12:59:38,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:59:38,207 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:59:38,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:59:38,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:59:38,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:59:37" (1/3) ... [2024-12-02 12:59:38,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d54e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:59:38, skipping insertion in model container [2024-12-02 12:59:38,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:37" (2/3) ... [2024-12-02 12:59:38,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d54e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:59:38, skipping insertion in model container [2024-12-02 12:59:38,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:59:38" (3/3) ... [2024-12-02 12:59:38,214 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-6.i [2024-12-02 12:59:38,228 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:59:38,230 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-6.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:59:38,280 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:59:38,290 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;@2f676b4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:59:38,290 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:59:38,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 12:59:38,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 12:59:38,304 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:38,304 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:38,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:38,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:38,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1688693437, now seen corresponding path program 1 times [2024-12-02 12:59:38,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:38,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667164320] [2024-12-02 12:59:38,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:38,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 12:59:38,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:38,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667164320] [2024-12-02 12:59:38,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667164320] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:59:38,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664515384] [2024-12-02 12:59:38,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:38,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:59:38,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:59:38,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:59:38,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:59:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:38,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:59:38,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:59:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-12-02 12:59:38,728 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:59:38,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664515384] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:59:38,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:59:38,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:59:38,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611346937] [2024-12-02 12:59:38,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:59:38,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:59:38,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:38,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:59:38,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:59:38,756 INFO L87 Difference]: Start difference. First operand has 62 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 12:59:38,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:38,780 INFO L93 Difference]: Finished difference Result 117 states and 197 transitions. [2024-12-02 12:59:38,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:59:38,782 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2024-12-02 12:59:38,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:38,788 INFO L225 Difference]: With dead ends: 117 [2024-12-02 12:59:38,788 INFO L226 Difference]: Without dead ends: 58 [2024-12-02 12:59:38,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 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 12:59:38,793 INFO L435 NwaCegarLoop]: 85 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, 85 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 12:59:38,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:59:38,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-12-02 12:59:38,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-12-02 12:59:38,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 12:59:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2024-12-02 12:59:38,831 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 124 [2024-12-02 12:59:38,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:38,831 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2024-12-02 12:59:38,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 12:59:38,832 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-12-02 12:59:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 12:59:38,835 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:38,835 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:38,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:59:39,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:59:39,036 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:39,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:39,036 INFO L85 PathProgramCache]: Analyzing trace with hash 265907387, now seen corresponding path program 1 times [2024-12-02 12:59:39,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:39,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498627967] [2024-12-02 12:59:39,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:39,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-12-02 12:59:39,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:39,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498627967] [2024-12-02 12:59:39,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498627967] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:59:39,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916977191] [2024-12-02 12:59:39,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:39,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:59:39,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:59:39,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:59:39,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:59:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:39,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 12:59:39,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:59:40,349 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 437 proven. 39 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-12-02 12:59:40,349 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:59:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 63 proven. 42 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-12-02 12:59:40,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916977191] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:59:40,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:59:40,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 18 [2024-12-02 12:59:40,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131081022] [2024-12-02 12:59:40,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:59:40,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 12:59:40,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:40,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 12:59:40,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-12-02 12:59:40,788 INFO L87 Difference]: Start difference. First operand 58 states and 85 transitions. Second operand has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 6 states have call successors, (37), 3 states have call predecessors, (37), 7 states have return successors, (39), 6 states have call predecessors, (39), 6 states have call successors, (39) [2024-12-02 12:59:41,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:41,647 INFO L93 Difference]: Finished difference Result 131 states and 181 transitions. [2024-12-02 12:59:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 12:59:41,649 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 6 states have call successors, (37), 3 states have call predecessors, (37), 7 states have return successors, (39), 6 states have call predecessors, (39), 6 states have call successors, (39) Word has length 124 [2024-12-02 12:59:41,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:41,651 INFO L225 Difference]: With dead ends: 131 [2024-12-02 12:59:41,651 INFO L226 Difference]: Without dead ends: 76 [2024-12-02 12:59:41,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=330, Invalid=930, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 12:59:41,653 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 176 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:59:41,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 254 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:59:41,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-12-02 12:59:41,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2024-12-02 12:59:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 12:59:41,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2024-12-02 12:59:41,672 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 124 [2024-12-02 12:59:41,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:41,672 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2024-12-02 12:59:41,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 6 states have call successors, (37), 3 states have call predecessors, (37), 7 states have return successors, (39), 6 states have call predecessors, (39), 6 states have call successors, (39) [2024-12-02 12:59:41,673 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2024-12-02 12:59:41,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 12:59:41,675 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:41,675 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:59:41,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 12:59:41,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-02 12:59:41,876 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:41,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:41,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1283430443, now seen corresponding path program 1 times [2024-12-02 12:59:41,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:41,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428415393] [2024-12-02 12:59:41,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:41,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:59:41,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [668874774] [2024-12-02 12:59:41,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:41,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:59:41,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:59:41,992 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:59:41,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:59:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:59:42,105 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:59:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:59:42,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:59:42,216 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:59:42,217 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:59:42,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 12:59:42,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:59:42,423 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 12:59:42,481 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:59:42,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:59:42 BoogieIcfgContainer [2024-12-02 12:59:42,484 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:59:42,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:59:42,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:59:42,485 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:59:42,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:59:38" (3/4) ... [2024-12-02 12:59:42,488 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:59:42,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:59:42,490 INFO L158 Benchmark]: Toolchain (without parser) took 4988.79ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 116.7MB in the beginning and 120.8MB in the end (delta: -4.1MB). Peak memory consumption was 173.1MB. Max. memory is 16.1GB. [2024-12-02 12:59:42,490 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:59:42,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.32ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 103.0MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:59:42,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.29ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 100.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:59:42,491 INFO L158 Benchmark]: Boogie Preprocessor took 41.92ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 97.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:59:42,491 INFO L158 Benchmark]: RCFGBuilder took 357.48ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 80.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:59:42,491 INFO L158 Benchmark]: TraceAbstraction took 4277.52ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 80.0MB in the beginning and 120.8MB in the end (delta: -40.8MB). Peak memory consumption was 139.5MB. Max. memory is 16.1GB. [2024-12-02 12:59:42,492 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 318.8MB. Free memory was 120.8MB in the beginning and 120.8MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:59:42,493 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.32ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 103.0MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.29ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 100.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.92ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 97.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 357.48ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 80.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4277.52ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 80.0MB in the beginning and 120.8MB in the end (delta: -40.8MB). Peak memory consumption was 139.5MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 318.8MB. Free memory was 120.8MB in the beginning and 120.8MB in the end (delta: 17.7kB). 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 107, overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryArithmeticFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 100.25; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 8; [L25] unsigned char var_1_4 = 0; [L26] double var_1_5 = 1.9; [L27] double var_1_6 = 7.5; [L28] double var_1_7 = 64.25; [L29] signed long int var_1_8 = 2; [L30] signed long int var_1_9 = 1000000000; [L31] signed long int var_1_10 = 1000000000; [L32] signed long int var_1_11 = 1957998270; [L33] float var_1_12 = 50.25; [L34] float var_1_13 = 9.8; [L35] float var_1_14 = 25.5; [L36] float var_1_15 = 3.5; [L37] signed long int var_1_16 = -500; [L38] unsigned char var_1_17 = 1; [L39] unsigned char var_1_18 = 1; [L40] unsigned char var_1_19 = 0; VAL [isInitial=0, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L121] isInitial = 1 [L122] FCALL initially() [L124] FCALL updateLastVariables() [L125] CALL updateVariables() [L82] var_1_2 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L83] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L84] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L84] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L85] var_1_3 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L86] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L87] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L87] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_4=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L88] var_1_4 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L89] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L90] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L90] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_5=19/10, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L91] var_1_5 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L92] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_6=15/2, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L93] var_1_6 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L94] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_7=257/4, var_1_8=2, var_1_9=1000000000] [L95] var_1_7 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=1000000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=1000000000] [L96] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=1000000000] [L97] var_1_9 = __VERIFIER_nondet_long() [L98] CALL assume_abort_if_not(var_1_9 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L98] RET assume_abort_if_not(var_1_9 >= 536870911) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L99] CALL assume_abort_if_not(var_1_9 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L99] RET assume_abort_if_not(var_1_9 <= 1073741823) VAL [isInitial=1, var_1_10=1000000000, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L100] var_1_10 = __VERIFIER_nondet_long() [L101] CALL assume_abort_if_not(var_1_10 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L101] RET assume_abort_if_not(var_1_10 >= 536870911) VAL [isInitial=1, var_1_10=536870953, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L102] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L102] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, var_1_10=536870953, var_1_11=1957998270, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L103] var_1_11 = __VERIFIER_nondet_long() [L104] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L104] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L105] CALL assume_abort_if_not(var_1_11 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L105] RET assume_abort_if_not(var_1_11 <= 2147483646) VAL [isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_14=51/2, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L106] var_1_14 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L107] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_15=7/2, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L108] var_1_15 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L109] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 2305843.009213691390e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L110] var_1_18 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L111] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L112] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L112] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_8=2, var_1_9=536870911] [L125] RET updateVariables() [L126] CALL step() [L44] unsigned char stepLocal_0 = var_1_4; VAL [isInitial=1, stepLocal_0=0, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=401/4, var_1_2=0, var_1_4=0, var_1_8=2, var_1_9=536870911] [L45] COND FALSE !(\read(var_1_2)) [L52] var_1_1 = var_1_5 VAL [isInitial=1, stepLocal_0=0, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_2=0, var_1_4=0, var_1_5=2, var_1_8=2, var_1_9=536870911] [L54] var_1_8 = (((var_1_9 + var_1_10) - var_1_3) - (var_1_11 - ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) [L55] signed long int stepLocal_1 = (((var_1_3) < (var_1_9)) ? (var_1_3) : (var_1_9)); VAL [isInitial=1, stepLocal_0=0, stepLocal_1=41, var_1_10=536870953, var_1_11=1073741823, var_1_12=201/4, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_2=0, var_1_3=41, var_1_4=0, var_1_5=2, var_1_8=0, var_1_9=536870911] [L56] COND TRUE stepLocal_1 >= (var_1_4 - var_1_11) [L57] var_1_12 = var_1_7 VAL [isInitial=1, stepLocal_0=0, var_1_10=536870953, var_1_11=1073741823, var_1_12=3, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_2=0, var_1_3=41, var_1_4=0, var_1_5=2, var_1_7=3, var_1_8=0, var_1_9=536870911] [L59] signed long int stepLocal_2 = var_1_8; VAL [isInitial=1, stepLocal_0=0, stepLocal_2=0, var_1_10=536870953, var_1_11=1073741823, var_1_12=3, var_1_13=49/5, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_2=0, var_1_3=41, var_1_4=0, var_1_5=2, var_1_7=3, var_1_8=0, var_1_9=536870911] [L60] COND TRUE stepLocal_2 < var_1_11 [L61] var_1_13 = ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f) VAL [isInitial=1, stepLocal_0=0, var_1_10=536870953, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_2=0, var_1_3=41, var_1_4=0, var_1_5=2, var_1_7=3, var_1_8=0, var_1_9=536870911] [L65] COND FALSE !((((((- var_1_15)) > ((var_1_13 * var_1_6))) ? ((- var_1_15)) : ((var_1_13 * var_1_6)))) < var_1_5) VAL [isInitial=1, stepLocal_0=0, var_1_10=536870953, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_2=0, var_1_3=41, var_1_4=0, var_1_5=2, var_1_7=3, var_1_8=0, var_1_9=536870911] [L72] var_1_17 = (((var_1_3 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18) VAL [isInitial=1, stepLocal_0=0, var_1_10=536870953, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_2=0, var_1_3=41, var_1_4=0, var_1_5=2, var_1_7=3, var_1_8=0, var_1_9=536870911] [L73] COND TRUE \read(var_1_17) VAL [isInitial=1, stepLocal_0=0, var_1_10=536870953, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=0, var_1_1=2, var_1_2=0, var_1_3=41, var_1_4=0, var_1_5=2, var_1_7=3, var_1_8=0, var_1_9=536870911] [L74] COND TRUE var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (var_1_13 * 63.375)) [L75] var_1_19 = var_1_18 VAL [isInitial=1, stepLocal_0=0, var_1_10=536870953, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=2, var_1_2=0, var_1_3=41, var_1_4=0, var_1_5=2, var_1_7=3, var_1_8=0, var_1_9=536870911] [L126] RET step() [L127] CALL, EXPR property() [L117-L118] return ((((((var_1_2 ? ((var_1_3 >= var_1_4) ? (var_1_1 == ((double) (var_1_5 + var_1_6))) : (var_1_1 == ((double) (4.125 - var_1_7)))) : (var_1_1 == ((double) var_1_5))) && (var_1_8 == ((signed long int) (((var_1_9 + var_1_10) - var_1_3) - (var_1_11 - ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))))) && ((((((var_1_3) < (var_1_9)) ? (var_1_3) : (var_1_9))) >= (var_1_4 - var_1_11)) ? (var_1_12 == ((float) var_1_7)) : 1)) && ((var_1_8 < var_1_11) ? (var_1_13 == ((float) ((7.3868261718112563E18f - (var_1_14 + var_1_15)) - 5.4f))) : (var_1_13 == ((float) (var_1_15 + ((((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)))))))) && (((((((- var_1_15)) > ((var_1_13 * var_1_6))) ? ((- var_1_15)) : ((var_1_13 * var_1_6)))) < var_1_5) ? ((var_1_11 != ((((var_1_8) < (var_1_10)) ? (var_1_8) : (var_1_10)))) ? (var_1_2 ? (var_1_16 == ((signed long int) var_1_3)) : 1) : 1) : 1)) && (var_1_17 == ((unsigned char) (((var_1_3 * var_1_9) >= ((((var_1_16) > (var_1_8)) ? (var_1_16) : (var_1_8)))) || var_1_18)))) && (var_1_17 ? ((var_1_7 > (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) * (var_1_13 * 63.375))) ? (var_1_19 == ((unsigned char) var_1_18)) : 1) : (var_1_19 == ((unsigned char) var_1_18))) ; VAL [\result=0, isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=2, var_1_2=0, var_1_3=41, var_1_4=0, var_1_5=2, var_1_7=3, var_1_8=0, var_1_9=536870911] [L127] RET, EXPR property() [L127] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=2, var_1_2=0, var_1_3=41, var_1_4=0, var_1_5=2, var_1_7=3, var_1_8=0, var_1_9=536870911] [L19] reach_error() VAL [isInitial=1, var_1_10=536870953, var_1_11=1073741823, var_1_12=3, var_1_16=-500, var_1_17=1, var_1_18=1, var_1_19=1, var_1_1=2, var_1_2=0, var_1_3=41, var_1_4=0, var_1_5=2, var_1_7=3, var_1_8=0, var_1_9=536870911] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 176 mSDsluCounter, 339 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 202 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 346 IncrementalHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 137 mSDtfsCounter, 346 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=2, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 746 NumberOfCodeBlocks, 746 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 615 ConstructedInterpolants, 0 QuantifiedInterpolants, 1178 SizeOfPredicates, 7 NumberOfNonLiveVariables, 570 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 3300/3420 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 12:59:42,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 62ea2a992a63f62694d044d93223d6b697490145b70f7277a2bce759d06cac7e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:59:44,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:59:44,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 12:59:44,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:59:44,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:59:44,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:59:44,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:59:44,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:59:44,713 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:59:44,713 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:59:44,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:59:44,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:59:44,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:59:44,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:59:44,714 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:59:44,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:59:44,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:59:44,714 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:59:44,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:59:44,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:59:44,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:59:44,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:59:44,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:59:44,715 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:59:44,715 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:59:44,715 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:59:44,715 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:59:44,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:59:44,715 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:59:44,715 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:59:44,715 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:59:44,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:59:44,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:59:44,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:59:44,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:59:44,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:59:44,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:59:44,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:59:44,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:59:44,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:59:44,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:59:44,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:59:44,716 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:59:44,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:59:44,717 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:59:44,717 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:59:44,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:59:44,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:59:44,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:59:44,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:59:44,717 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_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 -> 62ea2a992a63f62694d044d93223d6b697490145b70f7277a2bce759d06cac7e [2024-12-02 12:59:44,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:59:44,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:59:44,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:59:44,954 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:59:44,954 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:59:44,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i [2024-12-02 12:59:47,653 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/data/3d3aeaf94/202b99e5d0ca41e0ab268a832d608102/FLAGc1053625e [2024-12-02 12:59:47,828 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:59:47,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i [2024-12-02 12:59:47,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/data/3d3aeaf94/202b99e5d0ca41e0ab268a832d608102/FLAGc1053625e [2024-12-02 12:59:47,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/data/3d3aeaf94/202b99e5d0ca41e0ab268a832d608102 [2024-12-02 12:59:47,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:59:47,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:59:47,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:59:47,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:59:47,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:59:47,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:59:47" (1/1) ... [2024-12-02 12:59:47,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce1e81a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:47, skipping insertion in model container [2024-12-02 12:59:47,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:59:47" (1/1) ... [2024-12-02 12:59:47,879 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:59:48,008 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_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i[916,929] [2024-12-02 12:59:48,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:59:48,065 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:59:48,075 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_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-6.i[916,929] [2024-12-02 12:59:48,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:59:48,115 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:59:48,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48 WrapperNode [2024-12-02 12:59:48,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:59:48,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:59:48,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:59:48,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:59:48,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,153 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-12-02 12:59:48,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:59:48,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:59:48,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:59:48,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:59:48,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,166 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,177 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 12:59:48,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,186 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:59:48,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:59:48,197 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:59:48,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:59:48,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (1/1) ... [2024-12-02 12:59:48,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:59:48,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:59:48,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:59:48,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:59:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:59:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:59:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:59:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:59:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:59:48,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:59:48,301 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:59:48,302 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:00:09,274 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 13:00:09,274 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:00:09,284 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:00:09,285 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:00:09,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:00:09 BoogieIcfgContainer [2024-12-02 13:00:09,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:00:09,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:00:09,287 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:00:09,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:00:09,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:59:47" (1/3) ... [2024-12-02 13:00:09,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a285a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:00:09, skipping insertion in model container [2024-12-02 13:00:09,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:59:48" (2/3) ... [2024-12-02 13:00:09,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a285a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:00:09, skipping insertion in model container [2024-12-02 13:00:09,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:00:09" (3/3) ... [2024-12-02 13:00:09,294 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-6.i [2024-12-02 13:00:09,308 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:00:09,309 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-6.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:00:09,353 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:00:09,362 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;@6cd00085, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:00:09,362 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:00:09,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 13:00:09,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 13:00:09,376 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:00:09,377 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:09,377 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:00:09,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:00:09,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1688693437, now seen corresponding path program 1 times [2024-12-02 13:00:09,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:00:09,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201577418] [2024-12-02 13:00:09,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:00:09,394 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 13:00:09,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:00:09,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 13:00:09,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 13:00:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:00:10,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:00:10,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:00:10,333 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 13:00:10,334 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:00:10,334 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:00:10,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201577418] [2024-12-02 13:00:10,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201577418] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:00:10,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:00:10,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:00:10,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909338838] [2024-12-02 13:00:10,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:00:10,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:00:10,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:00:10,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:00:10,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:00:10,357 INFO L87 Difference]: Start difference. First operand has 62 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 13:00:10,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:00:10,377 INFO L93 Difference]: Finished difference Result 117 states and 197 transitions. [2024-12-02 13:00:10,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:00:10,379 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2024-12-02 13:00:10,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:00:10,384 INFO L225 Difference]: With dead ends: 117 [2024-12-02 13:00:10,385 INFO L226 Difference]: Without dead ends: 58 [2024-12-02 13:00:10,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 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 13:00:10,390 INFO L435 NwaCegarLoop]: 85 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, 85 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 13:00:10,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:00:10,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-12-02 13:00:10,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-12-02 13:00:10,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 13:00:10,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2024-12-02 13:00:10,423 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 124 [2024-12-02 13:00:10,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:00:10,423 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2024-12-02 13:00:10,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 13:00:10,424 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-12-02 13:00:10,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-02 13:00:10,426 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:00:10,427 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:10,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 13:00:10,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 13:00:10,627 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:00:10,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:00:10,628 INFO L85 PathProgramCache]: Analyzing trace with hash 265907387, now seen corresponding path program 1 times [2024-12-02 13:00:10,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:00:10,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1986538980] [2024-12-02 13:00:10,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:00:10,629 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 13:00:10,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:00:10,631 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 13:00:10,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 13:00:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:00:11,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:00:11,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:00:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 13:00:12,259 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:00:13,642 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-12-02 13:00:13,643 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:00:13,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1986538980] [2024-12-02 13:00:13,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1986538980] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:00:13,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:00:13,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-02 13:00:13,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722152211] [2024-12-02 13:00:13,644 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:00:13,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:00:13,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:00:13,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:00:13,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:00:13,647 INFO L87 Difference]: Start difference. First operand 58 states and 85 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 13:00:20,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:24,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:28,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:28,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:00:28,213 INFO L93 Difference]: Finished difference Result 119 states and 172 transitions. [2024-12-02 13:00:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:00:28,299 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 124 [2024-12-02 13:00:28,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:00:28,300 INFO L225 Difference]: With dead ends: 119 [2024-12-02 13:00:28,300 INFO L226 Difference]: Without dead ends: 64 [2024-12-02 13:00:28,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 239 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:00:28,302 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 153 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 142 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:00:28,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 137 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 105 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2024-12-02 13:00:28,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-12-02 13:00:28,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2024-12-02 13:00:28,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 40 states have (on average 1.225) internal successors, (49), 40 states have internal predecessors, (49), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 13:00:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 87 transitions. [2024-12-02 13:00:28,319 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 87 transitions. Word has length 124 [2024-12-02 13:00:28,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:00:28,320 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 87 transitions. [2024-12-02 13:00:28,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 13:00:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2024-12-02 13:00:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 13:00:28,322 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:00:28,322 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:28,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 13:00:28,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 13:00:28,523 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:00:28,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:00:28,523 INFO L85 PathProgramCache]: Analyzing trace with hash -582365865, now seen corresponding path program 1 times [2024-12-02 13:00:28,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:00:28,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450101805] [2024-12-02 13:00:28,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:00:28,524 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 13:00:28,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:00:28,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 13:00:28,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 13:00:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:00:29,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:00:29,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:00:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 437 proven. 39 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-12-02 13:00:31,658 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:00:32,601 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:00:32,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450101805] [2024-12-02 13:00:32,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450101805] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:00:32,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1739413403] [2024-12-02 13:00:32,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:00:32,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:00:32,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:00:32,609 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:00:32,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-02 13:00:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:00:34,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:00:34,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:00:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 428 proven. 57 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-12-02 13:00:37,587 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:00:37,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1739413403] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:00:37,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:00:37,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 13 [2024-12-02 13:00:37,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56714255] [2024-12-02 13:00:37,993 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:00:37,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:00:37,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:00:37,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:00:37,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:00:37,995 INFO L87 Difference]: Start difference. First operand 62 states and 87 transitions. Second operand has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 5 states have call successors, (27), 5 states have call predecessors, (27), 8 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 13:00:44,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:49,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:53,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:57,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:01:01,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:01:05,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:01:09,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:01:13,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:01:17,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:01:17,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:01:17,593 INFO L93 Difference]: Finished difference Result 135 states and 182 transitions. [2024-12-02 13:01:17,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 13:01:17,699 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 5 states have call successors, (27), 5 states have call predecessors, (27), 8 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 125 [2024-12-02 13:01:17,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:01:17,701 INFO L225 Difference]: With dead ends: 135 [2024-12-02 13:01:17,701 INFO L226 Difference]: Without dead ends: 76 [2024-12-02 13:01:17,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:01:17,702 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 78 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 35 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:01:17,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 238 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 282 Invalid, 8 Unknown, 0 Unchecked, 39.1s Time] [2024-12-02 13:01:17,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-12-02 13:01:17,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2024-12-02 13:01:17,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.163265306122449) internal successors, (57), 49 states have internal predecessors, (57), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-12-02 13:01:17,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2024-12-02 13:01:17,714 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 125 [2024-12-02 13:01:17,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:01:17,715 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2024-12-02 13:01:17,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 5 states have call successors, (27), 5 states have call predecessors, (27), 8 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 13:01:17,715 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2024-12-02 13:01:17,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 13:01:17,717 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:01:17,717 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:17,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 13:01:17,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-02 13:01:18,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 13:01:18,118 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:01:18,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:01:18,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1283430443, now seen corresponding path program 1 times [2024-12-02 13:01:18,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:01:18,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762533356] [2024-12-02 13:01:18,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:01:18,119 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 13:01:18,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:01:18,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/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 13:01:18,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf2158-87bb-4cdc-b9dc-d2ff85951e8d/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 13:01:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:01:19,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-02 13:01:19,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:03:14,247 WARN L286 SmtUtils]: Spent 22.32s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:04:57,883 WARN L286 SmtUtils]: Spent 26.99s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:05:34,223 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:05:42,410 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:05:50,593 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:05:58,765 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:06:06,944 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:06:15,124 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:06:23,308 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:06:31,488 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:06:39,669 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:06:47,851 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:06:56,041 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:07:04,225 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:07:12,389 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:07:20,570 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:07:28,751 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:07:36,932 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:07:45,116 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:07:53,295 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:08:01,480 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:08:09,679 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:08:17,859 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:08:26,043 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:08:34,219 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:08:42,407 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:08:50,590 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:08:54,641 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (bvsge c_~var_1_9~0 (_ bv536870911 32)) (= c_~var_1_19~0 c_~var_1_18~0) (= c_~var_1_8~0 (bvadd c_~var_1_10~0 (bvneg ((_ zero_extend 24) c_~var_1_3~0)) c_~var_1_9~0 (bvneg (bvadd c_~var_1_11~0 (bvneg ((_ zero_extend 24) c_~var_1_4~0)))))) (bvsge c_~var_1_11~0 (_ bv1073741823 32)) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (= (_ bv1 8) c_~var_1_17~0) (bvsle c_~var_1_10~0 (_ bv1073741823 32)) (= (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 7386826171811256300.0) (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0)) ((_ to_fp 8 24) c_currentRoundingMode (/ 27.0 5.0))) c_~var_1_13~0) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))) (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 .cse2)))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (fp.geq c_~var_1_7~0 .cse2) (bvslt c_~var_1_8~0 c_~var_1_11~0) (let ((.cse3 (fp.lt c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse4 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 507.0 8.0))))) (or (and .cse3 (fp.gt c_~var_1_7~0 (fp.mul c_currentRoundingMode (fp.neg c_~var_1_5~0) .cse4))) (and (not .cse3) (fp.gt c_~var_1_7~0 (fp.mul c_currentRoundingMode c_~var_1_5~0 .cse4))))) (= c_~var_1_5~0 c_~var_1_1~0) (bvsle c_~var_1_9~0 (_ bv1073741823 32)) (= c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge c_~var_1_10~0 (_ bv536870911 32)) (= (_ bv0 8) c_~var_1_2~0)))) is different from false [2024-12-02 13:08:58,685 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (bvsge c_~var_1_9~0 (_ bv536870911 32)) (= c_~var_1_19~0 c_~var_1_18~0) (= c_~var_1_8~0 (bvadd c_~var_1_10~0 (bvneg ((_ zero_extend 24) c_~var_1_3~0)) c_~var_1_9~0 (bvneg (bvadd c_~var_1_11~0 (bvneg ((_ zero_extend 24) c_~var_1_4~0)))))) (bvsge c_~var_1_11~0 (_ bv1073741823 32)) (fp.leq c_~var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (= (_ bv1 8) c_~var_1_17~0) (bvsle c_~var_1_10~0 (_ bv1073741823 32)) (= (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 7386826171811256300.0) (fp.add c_currentRoundingMode c_~var_1_14~0 c_~var_1_15~0)) ((_ to_fp 8 24) c_currentRoundingMode (/ 27.0 5.0))) c_~var_1_13~0) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))) (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 .cse2)))) (bvsge ((_ zero_extend 24) c_~var_1_18~0) (_ bv1 32)) (fp.geq c_~var_1_7~0 .cse2) (bvslt c_~var_1_8~0 c_~var_1_11~0) (let ((.cse3 (fp.lt c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (.cse4 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 507.0 8.0))))) (or (and .cse3 (fp.gt c_~var_1_7~0 (fp.mul c_currentRoundingMode (fp.neg c_~var_1_5~0) .cse4))) (and (not .cse3) (fp.gt c_~var_1_7~0 (fp.mul c_currentRoundingMode c_~var_1_5~0 .cse4))))) (= c_~var_1_5~0 c_~var_1_1~0) (bvsle c_~var_1_9~0 (_ bv1073741823 32)) (= c_~var_1_12~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_7~0)) (= c_currentRoundingMode roundNearestTiesToEven) (bvsge c_~var_1_10~0 (_ bv536870911 32)) (= (_ bv0 8) c_~var_1_2~0)))) is different from true