./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.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_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 d71ae82dd186f34587e5c658cb62f85254bcdaf9e3f74492a6d8986ef7340c33 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:31:39,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:31:39,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 06:31:39,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:31:39,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:31:39,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:31:39,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:31:39,310 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:31:39,310 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:31:39,310 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:31:39,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:31:39,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:31:39,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:31:39,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:31:39,311 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:31:39,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:31:39,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:31:39,311 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:31:39,312 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:31:39,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:31:39,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:31:39,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:31:39,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:31:39,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:31:39,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:31:39,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:31:39,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:31:39,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:31:39,313 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:31:39,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:31:39,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:31:39,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:31:39,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:31:39,314 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:31:39,314 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:31:39,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:31:39,314 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_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 -> d71ae82dd186f34587e5c658cb62f85254bcdaf9e3f74492a6d8986ef7340c33 [2024-12-02 06:31:39,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:31:39,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:31:39,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:31:39,571 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:31:39,571 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:31:39,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i [2024-12-02 06:31:42,220 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/data/db46dd0bc/25141b28080c4b1dbf7a679456fc2c9a/FLAG25a3d2769 [2024-12-02 06:31:42,448 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:31:42,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i [2024-12-02 06:31:42,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/data/db46dd0bc/25141b28080c4b1dbf7a679456fc2c9a/FLAG25a3d2769 [2024-12-02 06:31:42,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/data/db46dd0bc/25141b28080c4b1dbf7a679456fc2c9a [2024-12-02 06:31:42,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:31:42,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:31:42,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:31:42,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:31:42,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:31:42,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f6ec01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42, skipping insertion in model container [2024-12-02 06:31:42,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:31:42,627 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_f5d9af33-ce06-4cbd-9256-747f90788f9e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i[916,929] [2024-12-02 06:31:42,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:31:42,677 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:31:42,686 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_f5d9af33-ce06-4cbd-9256-747f90788f9e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i[916,929] [2024-12-02 06:31:42,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:31:42,711 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:31:42,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42 WrapperNode [2024-12-02 06:31:42,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:31:42,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:31:42,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:31:42,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:31:42,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,744 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-12-02 06:31:42,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:31:42,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:31:42,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:31:42,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:31:42,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,757 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,770 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 06:31:42,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,777 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,782 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:31:42,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:31:42,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:31:42,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:31:42,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (1/1) ... [2024-12-02 06:31:42,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:31:42,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:31:42,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:31:42,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:31:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:31:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:31:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:31:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:31:42,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:31:42,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:31:42,905 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:31:42,906 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:31:43,088 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 06:31:43,088 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:31:43,097 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:31:43,097 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:31:43,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:31:43 BoogieIcfgContainer [2024-12-02 06:31:43,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:31:43,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:31:43,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:31:43,104 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:31:43,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:31:42" (1/3) ... [2024-12-02 06:31:43,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0abbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:31:43, skipping insertion in model container [2024-12-02 06:31:43,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:42" (2/3) ... [2024-12-02 06:31:43,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0abbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:31:43, skipping insertion in model container [2024-12-02 06:31:43,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:31:43" (3/3) ... [2024-12-02 06:31:43,106 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-8.i [2024-12-02 06:31:43,118 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:31:43,119 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-8.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:31:43,163 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:31:43,173 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;@57ee4148, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:31:43,173 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:31:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 06:31:43,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 06:31:43,183 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:31:43,183 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:43,184 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:31:43,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:43,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1230558902, now seen corresponding path program 1 times [2024-12-02 06:31:43,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:31:43,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989817761] [2024-12-02 06:31:43,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:43,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:31:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 06:31:43,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:31:43,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989817761] [2024-12-02 06:31:43,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989817761] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 06:31:43,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783508187] [2024-12-02 06:31:43,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:43,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 06:31:43,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:31:43,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 06:31:43,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 06:31:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:43,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:31:43,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:31:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 06:31:43,538 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:31:43,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783508187] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:31:43,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 06:31:43,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 06:31:43,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546655306] [2024-12-02 06:31:43,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:31:43,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:31:43,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:31:43,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:31:43,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:31:43,566 INFO L87 Difference]: Start difference. First operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:31:43,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:31:43,595 INFO L93 Difference]: Finished difference Result 87 states and 142 transitions. [2024-12-02 06:31:43,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:31:43,597 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-12-02 06:31:43,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:31:43,601 INFO L225 Difference]: With dead ends: 87 [2024-12-02 06:31:43,601 INFO L226 Difference]: Without dead ends: 43 [2024-12-02 06:31:43,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 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 06:31:43,605 INFO L435 NwaCegarLoop]: 60 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, 60 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 06:31:43,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:31:43,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-12-02 06:31:43,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-12-02 06:31:43,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 06:31:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2024-12-02 06:31:43,638 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 92 [2024-12-02 06:31:43,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:31:43,639 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2024-12-02 06:31:43,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:31:43,639 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-12-02 06:31:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 06:31:43,642 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:31:43,642 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:43,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 06:31:43,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 06:31:43,843 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:31:43,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:43,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1070173934, now seen corresponding path program 1 times [2024-12-02 06:31:43,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:31:43,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835535124] [2024-12-02 06:31:43,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:43,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:31:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:31:44,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:31:44,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835535124] [2024-12-02 06:31:44,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835535124] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:31:44,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:31:44,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:31:44,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907839961] [2024-12-02 06:31:44,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:31:44,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:31:44,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:31:44,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:31:44,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:31:44,063 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:31:44,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:31:44,178 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2024-12-02 06:31:44,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:31:44,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92 [2024-12-02 06:31:44,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:31:44,179 INFO L225 Difference]: With dead ends: 83 [2024-12-02 06:31:44,180 INFO L226 Difference]: Without dead ends: 43 [2024-12-02 06:31:44,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:31:44,181 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 53 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:31:44,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 76 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:31:44,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-12-02 06:31:44,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-12-02 06:31:44,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 06:31:44,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 59 transitions. [2024-12-02 06:31:44,190 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 59 transitions. Word has length 92 [2024-12-02 06:31:44,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:31:44,191 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 59 transitions. [2024-12-02 06:31:44,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:31:44,192 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2024-12-02 06:31:44,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 06:31:44,193 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:31:44,193 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:44,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:31:44,193 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:31:44,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:44,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1012915632, now seen corresponding path program 1 times [2024-12-02 06:31:44,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:31:44,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506189882] [2024-12-02 06:31:44,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:44,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:31:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:31:44,260 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 06:31:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 06:31:44,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 06:31:44,355 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 06:31:44,356 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:31:44,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:31:44,361 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 06:31:44,409 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:31:44,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:31:44 BoogieIcfgContainer [2024-12-02 06:31:44,413 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:31:44,413 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:31:44,413 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:31:44,413 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:31:44,414 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:31:43" (3/4) ... [2024-12-02 06:31:44,416 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 06:31:44,417 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:31:44,418 INFO L158 Benchmark]: Toolchain (without parser) took 1941.68ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 60.2MB in the end (delta: 56.8MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-12-02 06:31:44,418 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:31:44,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.43ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.2MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:31:44,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.39ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:31:44,419 INFO L158 Benchmark]: Boogie Preprocessor took 41.72ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 99.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:31:44,419 INFO L158 Benchmark]: RCFGBuilder took 310.39ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 84.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:31:44,419 INFO L158 Benchmark]: TraceAbstraction took 1312.34ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 60.2MB in the end (delta: 24.1MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-12-02 06:31:44,420 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 142.6MB. Free memory was 60.2MB in the beginning and 60.2MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:31:44,421 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.43ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.2MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.39ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.72ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 99.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 310.39ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 84.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1312.34ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 60.2MB in the end (delta: 24.1MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 142.6MB. Free memory was 60.2MB in the beginning and 60.2MB in the end (delta: 15.8kB). 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 84, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryArithmeticFLOAToperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 0; [L27] signed long int var_1_8 = 64; [L28] float var_1_12 = 2.4; [L29] float var_1_13 = 127.75; [L30] float var_1_14 = 0.0; [L31] float var_1_15 = 31.4; [L32] float var_1_16 = 256.75; [L33] float var_1_17 = 256.6; [L34] signed long int var_1_18 = 0; [L35] unsigned char var_1_19 = 32; [L36] unsigned char var_1_20 = 100; VAL [isInitial=0, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L98] isInitial = 1 [L99] FCALL initially() [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L68] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L69] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L69] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L70] var_1_5 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=64] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_6=0, var_1_7=0, var_1_8=64] [L72] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L72] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L73] var_1_6 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=64] [L74] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_7=0, var_1_8=64] [L75] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L75] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=64] [L76] var_1_7 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L77] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L78] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L78] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_12=12/5, var_1_13=511/4, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L79] var_1_13 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L80] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=12/5, var_1_14=0, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L81] var_1_14 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_14 >= 2305843.009213691390e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L82] RET assume_abort_if_not((var_1_14 >= 2305843.009213691390e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=12/5, var_1_15=157/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L83] var_1_15 = __VERIFIER_nondet_float() [L84] 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_12=12/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L84] 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_12=12/5, var_1_16=1027/4, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L85] var_1_16 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L86] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=100, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L87] var_1_20 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L88] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L89] CALL assume_abort_if_not(var_1_20 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L89] RET assume_abort_if_not(var_1_20 <= 254) VAL [isInitial=1, var_1_12=12/5, var_1_17=1283/5, var_1_18=0, var_1_19=32, var_1_1=0, var_1_20=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L102] RET updateVariables() [L103] CALL step() [L40] var_1_17 = var_1_14 [L41] var_1_19 = var_1_20 [L42] var_1_18 = var_1_19 [L43] unsigned char stepLocal_1 = var_1_19; [L44] signed long int stepLocal_0 = (var_1_18 * var_1_18) * (var_1_19 - var_1_19); VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_12=12/5, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=64] [L45] COND FALSE !(stepLocal_0 >= 1u) [L52] var_1_8 = var_1_19 VAL [isInitial=1, stepLocal_1=0, var_1_12=12/5, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L54] signed long int stepLocal_2 = var_1_8; VAL [isInitial=1, stepLocal_1=0, stepLocal_2=0, var_1_12=12/5, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L55] COND FALSE !(var_1_19 > stepLocal_2) [L58] var_1_12 = (var_1_16 - (var_1_14 + var_1_15)) VAL [isInitial=1, stepLocal_1=0, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L60] COND TRUE var_1_18 >= (8u * var_1_8) [L61] var_1_1 = (! (var_1_4 || (var_1_5 || var_1_6))) VAL [isInitial=1, stepLocal_1=0, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L103] RET step() [L104] CALL, EXPR property() [L94-L95] return ((((((var_1_18 >= (8u * var_1_8)) ? (var_1_1 == ((unsigned char) (! (var_1_4 || (var_1_5 || var_1_6))))) : (var_1_1 == ((unsigned char) var_1_7))) && ((((var_1_18 * var_1_18) * (var_1_19 - var_1_19)) >= 1u) ? ((var_1_18 <= var_1_19) ? (var_1_8 == ((signed long int) var_1_19)) : (var_1_8 == ((signed long int) var_1_19))) : (var_1_8 == ((signed long int) var_1_19)))) && ((var_1_19 > var_1_8) ? (var_1_12 == ((float) (var_1_13 + ((var_1_14 - var_1_15) - var_1_16)))) : (var_1_12 == ((float) (var_1_16 - (var_1_14 + var_1_15)))))) && (var_1_17 == ((float) var_1_14))) && (var_1_18 == ((signed long int) var_1_19))) && (var_1_19 == ((unsigned char) var_1_20)) ; VAL [\result=0, isInitial=1, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_14=261, var_1_17=261, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 114 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 273 ConstructedInterpolants, 0 QuantifiedInterpolants, 281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 224 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1066/1092 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 06:31:44,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 d71ae82dd186f34587e5c658cb62f85254bcdaf9e3f74492a6d8986ef7340c33 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:31:46,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:31:46,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 06:31:46,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:31:46,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:31:46,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:31:46,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:31:46,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:31:46,462 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:31:46,462 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:31:46,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:31:46,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:31:46,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:31:46,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:31:46,462 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:31:46,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:31:46,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:31:46,463 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:31:46,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:31:46,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:31:46,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:31:46,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:31:46,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:31:46,463 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:31:46,463 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 06:31:46,463 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 06:31:46,463 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:31:46,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:31:46,464 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:31:46,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:31:46,464 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:31:46,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:31:46,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:31:46,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:31:46,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:31:46,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:31:46,464 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:31:46,464 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:31:46,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:31:46,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:31:46,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:31:46,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:31:46,465 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:31:46,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:31:46,465 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 06:31:46,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 06:31:46,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:31:46,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:31:46,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:31:46,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:31:46,465 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_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 -> d71ae82dd186f34587e5c658cb62f85254bcdaf9e3f74492a6d8986ef7340c33 [2024-12-02 06:31:46,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:31:46,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:31:46,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:31:46,716 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:31:46,717 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:31:46,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i [2024-12-02 06:31:49,434 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/data/c3f56e014/1557aa92d10046a1bc51ab745450555d/FLAG43e6b994e [2024-12-02 06:31:49,601 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:31:49,601 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i [2024-12-02 06:31:49,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/data/c3f56e014/1557aa92d10046a1bc51ab745450555d/FLAG43e6b994e [2024-12-02 06:31:49,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/data/c3f56e014/1557aa92d10046a1bc51ab745450555d [2024-12-02 06:31:49,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:31:49,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:31:49,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:31:49,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:31:49,626 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:31:49,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61098a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49, skipping insertion in model container [2024-12-02 06:31:49,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:31:49,763 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_f5d9af33-ce06-4cbd-9256-747f90788f9e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i[916,929] [2024-12-02 06:31:49,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:31:49,808 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:31:49,816 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_f5d9af33-ce06-4cbd-9256-747f90788f9e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-8.i[916,929] [2024-12-02 06:31:49,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:31:49,848 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:31:49,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49 WrapperNode [2024-12-02 06:31:49,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:31:49,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:31:49,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:31:49,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:31:49,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,881 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-12-02 06:31:49,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:31:49,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:31:49,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:31:49,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:31:49,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,894 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,904 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 06:31:49,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,909 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:31:49,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:31:49,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:31:49,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:31:49,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (1/1) ... [2024-12-02 06:31:49,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:31:49,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:31:49,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:31:49,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:31:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:31:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 06:31:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:31:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:31:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:31:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:31:50,041 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:31:50,042 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:31:53,685 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 06:31:53,685 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:31:53,693 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:31:53,693 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:31:53,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:31:53 BoogieIcfgContainer [2024-12-02 06:31:53,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:31:53,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:31:53,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:31:53,698 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:31:53,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:31:49" (1/3) ... [2024-12-02 06:31:53,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a78313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:31:53, skipping insertion in model container [2024-12-02 06:31:53,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:49" (2/3) ... [2024-12-02 06:31:53,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a78313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:31:53, skipping insertion in model container [2024-12-02 06:31:53,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:31:53" (3/3) ... [2024-12-02 06:31:53,700 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-8.i [2024-12-02 06:31:53,711 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:31:53,712 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-8.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 06:31:53,751 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:31:53,760 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;@40048701, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:31:53,760 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:31:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 06:31:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 06:31:53,770 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:31:53,770 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:53,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:31:53,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:53,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1230558902, now seen corresponding path program 1 times [2024-12-02 06:31:53,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:31:53,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360601000] [2024-12-02 06:31:53,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:53,783 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 06:31:53,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:31:53,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 06:31:53,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 06:31:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:54,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 06:31:54,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:31:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-12-02 06:31:54,133 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:31:54,134 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:31:54,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360601000] [2024-12-02 06:31:54,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360601000] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:31:54,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:31:54,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 06:31:54,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777379288] [2024-12-02 06:31:54,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:31:54,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 06:31:54,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:31:54,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 06:31:54,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 06:31:54,155 INFO L87 Difference]: Start difference. First operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:31:54,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:31:54,173 INFO L93 Difference]: Finished difference Result 87 states and 142 transitions. [2024-12-02 06:31:54,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 06:31:54,175 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-12-02 06:31:54,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:31:54,180 INFO L225 Difference]: With dead ends: 87 [2024-12-02 06:31:54,180 INFO L226 Difference]: Without dead ends: 43 [2024-12-02 06:31:54,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 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 06:31:54,185 INFO L435 NwaCegarLoop]: 60 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, 60 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 06:31:54,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:31:54,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-12-02 06:31:54,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-12-02 06:31:54,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 06:31:54,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2024-12-02 06:31:54,215 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 92 [2024-12-02 06:31:54,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:31:54,215 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2024-12-02 06:31:54,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 06:31:54,216 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-12-02 06:31:54,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 06:31:54,219 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:31:54,219 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:54,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 06:31:54,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 06:31:54,419 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:31:54,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:54,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1070173934, now seen corresponding path program 1 times [2024-12-02 06:31:54,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:31:54,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181946243] [2024-12-02 06:31:54,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:54,421 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 06:31:54,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:31:54,423 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 06:31:54,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 06:31:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:54,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 06:31:54,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:31:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 06:31:54,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 06:31:54,908 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 06:31:54,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181946243] [2024-12-02 06:31:54,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181946243] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:31:54,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:31:54,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:31:54,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708709417] [2024-12-02 06:31:54,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:31:54,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:31:54,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 06:31:54,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:31:54,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:31:54,912 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:31:56,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:31:56,131 INFO L93 Difference]: Finished difference Result 112 states and 159 transitions. [2024-12-02 06:31:56,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:31:56,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92 [2024-12-02 06:31:56,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:31:56,134 INFO L225 Difference]: With dead ends: 112 [2024-12-02 06:31:56,134 INFO L226 Difference]: Without dead ends: 72 [2024-12-02 06:31:56,135 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:31:56,136 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 51 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:31:56,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 198 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 06:31:56,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-12-02 06:31:56,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 43. [2024-12-02 06:31:56,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 06:31:56,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 59 transitions. [2024-12-02 06:31:56,147 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 59 transitions. Word has length 92 [2024-12-02 06:31:56,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:31:56,148 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 59 transitions. [2024-12-02 06:31:56,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 06:31:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2024-12-02 06:31:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 06:31:56,150 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:31:56,150 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:31:56,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 06:31:56,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 06:31:56,351 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:31:56,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:56,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1012915632, now seen corresponding path program 1 times [2024-12-02 06:31:56,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 06:31:56,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323404821] [2024-12-02 06:31:56,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:56,352 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 06:31:56,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 06:31:56,354 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 06:31:56,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5d9af33-ce06-4cbd-9256-747f90788f9e/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 06:31:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:56,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-02 06:31:56,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 06:32:14,333 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:32:28,289 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:32:38,200 WARN L286 SmtUtils]: Spent 5.20s 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 06:32:44,176 WARN L286 SmtUtils]: Spent 5.97s 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 06:32:51,023 WARN L286 SmtUtils]: Spent 5.21s 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 06:32:56,642 WARN L286 SmtUtils]: Spent 5.60s 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 06:33:04,389 WARN L286 SmtUtils]: Spent 5.96s 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 06:33:11,407 WARN L286 SmtUtils]: Spent 5.28s 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 06:33:20,817 WARN L286 SmtUtils]: Spent 5.33s 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 06:33:25,986 WARN L286 SmtUtils]: Spent 5.16s 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 06:33:31,390 WARN L286 SmtUtils]: Spent 5.39s 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 06:33:44,074 WARN L286 SmtUtils]: Spent 5.52s 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 06:33:51,620 WARN L286 SmtUtils]: Spent 7.55s 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 06:34:16,795 WARN L286 SmtUtils]: Spent 6.21s 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 06:34:23,173 WARN L286 SmtUtils]: Spent 6.38s 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 06:34:31,223 WARN L286 SmtUtils]: Spent 8.05s 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 06:34:38,476 WARN L286 SmtUtils]: Spent 7.25s 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 06:34:44,706 WARN L286 SmtUtils]: Spent 6.23s 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 06:34:55,380 WARN L286 SmtUtils]: Spent 6.66s 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 06:35:03,391 WARN L286 SmtUtils]: Spent 8.01s 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 06:35:11,454 WARN L286 SmtUtils]: Spent 8.06s 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 06:35:19,077 WARN L286 SmtUtils]: Spent 7.62s 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 06:35:24,991 WARN L286 SmtUtils]: Spent 5.91s 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 06:35:33,121 WARN L286 SmtUtils]: Spent 8.13s 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 06:35:39,549 WARN L286 SmtUtils]: Spent 6.43s 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 06:35:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 284 proven. 72 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-02 06:35:43,186 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 06:36:26,591 WARN L286 SmtUtils]: Spent 5.28s 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 06:40:57,339 WARN L286 SmtUtils]: Spent 2.86m on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:46:15,663 WARN L286 SmtUtils]: Spent 3.18m on a formula simplification that was a NOOP. DAG size: 68 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 06:46:22,350 WARN L286 SmtUtils]: Spent 6.28s 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 06:46:30,546 WARN L286 SmtUtils]: Spent 5.72s 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 06:46:39,751 WARN L286 SmtUtils]: Spent 5.23s 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 06:46:49,328 WARN L286 SmtUtils]: Spent 7.58s 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)