./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.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_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/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_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/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_85fa656b-04f3-473f-bfb3-b2b791404fb0/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 16ad83f9637e102c4cb7f07e80bc5a2852579b651b6bdeed800384bf5e7921a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:35:22,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:35:22,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:35:22,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:35:22,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:35:22,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:35:22,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:35:22,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:35:22,519 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:35:22,519 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:35:22,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:35:22,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:35:22,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:35:22,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:35:22,520 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:35:22,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:35:22,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:35:22,520 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:35:22,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:35:22,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:35:22,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:35:22,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:35:22,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:35:22,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:35:22,521 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:35:22,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:35:22,521 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:35:22,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:35:22,522 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:35:22,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:35:22,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:35:22,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:35:22,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:35:22,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:35:22,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:35:22,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:35:22,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:35:22,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:35:22,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:35:22,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:35:22,523 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:35:22,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:35:22,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:35:22,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:35:22,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:35:22,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:35:22,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:35:22,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:35:22,524 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_85fa656b-04f3-473f-bfb3-b2b791404fb0/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 -> 16ad83f9637e102c4cb7f07e80bc5a2852579b651b6bdeed800384bf5e7921a8 [2024-12-02 10:35:22,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:35:22,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:35:22,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:35:22,778 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:35:22,778 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:35:22,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i [2024-12-02 10:35:25,446 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/data/6c1e66264/16d9d960abe440d8811f7a3b3cfe95bd/FLAGeb37b7c04 [2024-12-02 10:35:25,692 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:35:25,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i [2024-12-02 10:35:25,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/data/6c1e66264/16d9d960abe440d8811f7a3b3cfe95bd/FLAGeb37b7c04 [2024-12-02 10:35:25,717 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/data/6c1e66264/16d9d960abe440d8811f7a3b3cfe95bd [2024-12-02 10:35:25,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:35:25,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:35:25,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:35:25,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:35:25,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:35:25,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:25,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577ce934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25, skipping insertion in model container [2024-12-02 10:35:25,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:25,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:35:25,898 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_85fa656b-04f3-473f-bfb3-b2b791404fb0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i[917,930] [2024-12-02 10:35:25,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:35:25,950 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:35:25,963 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_85fa656b-04f3-473f-bfb3-b2b791404fb0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i[917,930] [2024-12-02 10:35:25,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:35:25,997 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:35:25,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25 WrapperNode [2024-12-02 10:35:25,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:35:25,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:35:25,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:35:25,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:35:26,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,039 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-12-02 10:35:26,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:35:26,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:35:26,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:35:26,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:35:26,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,052 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,066 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 10:35:26,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,072 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:35:26,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:35:26,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:35:26,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:35:26,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (1/1) ... [2024-12-02 10:35:26,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:35:26,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:35:26,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:35:26,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:35:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:35:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:35:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:35:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:35:26,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:35:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:35:26,211 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:35:26,213 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:35:26,400 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 10:35:26,400 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:35:26,410 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:35:26,410 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:35:26,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:26 BoogieIcfgContainer [2024-12-02 10:35:26,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:35:26,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:35:26,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:35:26,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:35:26,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:35:25" (1/3) ... [2024-12-02 10:35:26,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b9acdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:35:26, skipping insertion in model container [2024-12-02 10:35:26,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:25" (2/3) ... [2024-12-02 10:35:26,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b9acdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:35:26, skipping insertion in model container [2024-12-02 10:35:26,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:26" (3/3) ... [2024-12-02 10:35:26,419 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-15.i [2024-12-02 10:35:26,433 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:35:26,434 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-15.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:35:26,482 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:35:26,491 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;@2bfb9eac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:35:26,492 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:35:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 10:35:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 10:35:26,502 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:35:26,503 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:35:26,503 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:35:26,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:35:26,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1601258831, now seen corresponding path program 1 times [2024-12-02 10:35:26,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:35:26,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173851176] [2024-12-02 10:35:26,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:35:26,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:35:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:35:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-12-02 10:35:26,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:35:26,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173851176] [2024-12-02 10:35:26,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173851176] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:35:26,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346426152] [2024-12-02 10:35:26,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:35:26,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:35:26,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:35:26,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:35:26,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:35:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:35:26,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:35:26,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:35:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-12-02 10:35:26,864 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:35:26,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346426152] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:35:26,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:35:26,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 10:35:26,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465288983] [2024-12-02 10:35:26,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:35:26,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:35:26,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:35:26,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:35:26,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:35:26,885 INFO L87 Difference]: Start difference. First operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:35:26,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:35:26,905 INFO L93 Difference]: Finished difference Result 85 states and 138 transitions. [2024-12-02 10:35:26,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:35:26,906 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2024-12-02 10:35:26,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:35:26,911 INFO L225 Difference]: With dead ends: 85 [2024-12-02 10:35:26,911 INFO L226 Difference]: Without dead ends: 42 [2024-12-02 10:35:26,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:35:26,916 INFO L435 NwaCegarLoop]: 58 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, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:35:26,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:35:26,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-12-02 10:35:26,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-12-02 10:35:26,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 10:35:26,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2024-12-02 10:35:26,953 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 82 [2024-12-02 10:35:26,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:35:26,953 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2024-12-02 10:35:26,954 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:35:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-12-02 10:35:26,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 10:35:26,956 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:35:26,956 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:35:26,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:35:27,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:35:27,157 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:35:27,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:35:27,158 INFO L85 PathProgramCache]: Analyzing trace with hash 109782457, now seen corresponding path program 1 times [2024-12-02 10:35:27,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:35:27,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395666510] [2024-12-02 10:35:27,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:35:27,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:35:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:35:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 10:35:27,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:35:27,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395666510] [2024-12-02 10:35:27,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395666510] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:35:27,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:35:27,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:35:27,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110366668] [2024-12-02 10:35:27,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:35:27,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:35:27,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:35:27,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:35:27,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:35:27,571 INFO L87 Difference]: Start difference. First operand 42 states and 58 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 10:35:27,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:35:27,616 INFO L93 Difference]: Finished difference Result 95 states and 131 transitions. [2024-12-02 10:35:27,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:35:27,617 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2024-12-02 10:35:27,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:35:27,618 INFO L225 Difference]: With dead ends: 95 [2024-12-02 10:35:27,618 INFO L226 Difference]: Without dead ends: 56 [2024-12-02 10:35:27,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:35:27,620 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 15 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:35:27,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 121 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:35:27,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-02 10:35:27,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2024-12-02 10:35:27,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 10:35:27,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2024-12-02 10:35:27,628 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 82 [2024-12-02 10:35:27,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:35:27,629 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2024-12-02 10:35:27,630 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 10:35:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-12-02 10:35:27,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 10:35:27,631 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:35:27,631 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:35:27,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:35:27,631 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:35:27,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:35:27,632 INFO L85 PathProgramCache]: Analyzing trace with hash -19505799, now seen corresponding path program 1 times [2024-12-02 10:35:27,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:35:27,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320644648] [2024-12-02 10:35:27,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:35:27,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:35:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:35:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 10:35:27,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:35:27,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320644648] [2024-12-02 10:35:27,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320644648] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:35:27,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:35:27,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:35:27,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679231989] [2024-12-02 10:35:27,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:35:27,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:35:27,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:35:27,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:35:27,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:35:27,740 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 10:35:27,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:35:27,772 INFO L93 Difference]: Finished difference Result 127 states and 175 transitions. [2024-12-02 10:35:27,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:35:27,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2024-12-02 10:35:27,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:35:27,775 INFO L225 Difference]: With dead ends: 127 [2024-12-02 10:35:27,775 INFO L226 Difference]: Without dead ends: 85 [2024-12-02 10:35:27,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:35:27,776 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 28 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:35:27,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 116 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:35:27,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-12-02 10:35:27,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2024-12-02 10:35:27,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.2) internal successors, (66), 55 states have internal predecessors, (66), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 10:35:27,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2024-12-02 10:35:27,789 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 82 [2024-12-02 10:35:27,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:35:27,790 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2024-12-02 10:35:27,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 10:35:27,790 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2024-12-02 10:35:27,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 10:35:27,791 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:35:27,792 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:35:27,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:35:27,792 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:35:27,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:35:27,793 INFO L85 PathProgramCache]: Analyzing trace with hash -636021362, now seen corresponding path program 1 times [2024-12-02 10:35:27,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:35:27,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809848185] [2024-12-02 10:35:27,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:35:27,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:35:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:35:27,911 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:35:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:35:28,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:35:28,002 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:35:28,003 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:35:28,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:35:28,007 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 10:35:28,055 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:35:28,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:35:28 BoogieIcfgContainer [2024-12-02 10:35:28,058 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:35:28,059 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:35:28,059 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:35:28,059 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:35:28,060 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:26" (3/4) ... [2024-12-02 10:35:28,062 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:35:28,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:35:28,064 INFO L158 Benchmark]: Toolchain (without parser) took 2343.15ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 72.2MB in the end (delta: 44.7MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-12-02 10:35:28,064 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:35:28,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.55ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 104.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:35:28,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.95ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:35:28,065 INFO L158 Benchmark]: Boogie Preprocessor took 41.53ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 100.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:35:28,065 INFO L158 Benchmark]: RCFGBuilder took 328.13ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 86.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:35:28,066 INFO L158 Benchmark]: TraceAbstraction took 1646.09ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 72.2MB in the end (delta: 13.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-12-02 10:35:28,066 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 142.6MB. Free memory was 72.2MB in the beginning and 72.2MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:35:28,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.55ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 104.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.95ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.53ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 100.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.13ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 86.5MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1646.09ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 72.2MB in the end (delta: 13.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 142.6MB. Free memory was 72.2MB in the beginning and 72.2MB 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 someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -128; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_6 = 1; [L25] signed char var_1_7 = 8; [L26] unsigned long int var_1_8 = 1; [L27] unsigned long int var_1_9 = 1885310857; [L28] signed long int var_1_10 = -10; [L29] double var_1_11 = 32.6; [L30] double var_1_12 = 9.75; [L31] double var_1_13 = 5.1; [L32] double var_1_14 = 128.1; [L33] double var_1_15 = 63.9; [L34] signed long int last_1_var_1_10 = -10; VAL [isInitial=0, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L95] isInitial = 1 [L96] FCALL initially() [L98] CALL updateLastVariables() [L88] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=1, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L98] RET updateLastVariables() [L99] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L67] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L68] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L68] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L69] var_1_6 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L70] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L71] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L71] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=8, var_1_8=1, var_1_9=1885310857] [L72] var_1_7 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1885310857] [L73] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1885310857] [L74] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1885310857] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1885310857] [L74] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1885310857] [L75] var_1_9 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_9 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L76] RET assume_abort_if_not(var_1_9 >= 1073741824) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L77] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L77] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_12=39/4, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L78] var_1_12 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L79] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_13=51/10, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L80] var_1_13 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L81] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_14=1281/10, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L82] var_1_14 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L83] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_15=639/10, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L84] var_1_15 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L85] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=1, var_1_9=1073741824] [L99] RET updateVariables() [L100] CALL step() [L38] COND TRUE \read(var_1_2) [L39] var_1_8 = ((1514707036u + ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) - last_1_var_1_10) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-10, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L43] COND TRUE \read(var_1_2) [L44] var_1_10 = (var_1_8 + ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518424, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L46] unsigned char stepLocal_1 = var_1_2; [L47] signed long int stepLocal_0 = var_1_10; VAL [isInitial=1, last_1_var_1_10=-10, stepLocal_0=-1706518424, stepLocal_1=-255, var_1_10=-1706518424, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L48] COND TRUE stepLocal_1 || ((~ var_1_10) >= var_1_10) VAL [isInitial=1, last_1_var_1_10=-10, stepLocal_0=-1706518424, var_1_10=-1706518424, var_1_11=163/5, var_1_1=-128, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L49] COND FALSE !(stepLocal_0 < var_1_8) [L54] var_1_1 = 2 VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518424, var_1_11=163/5, var_1_1=2, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L59] COND TRUE var_1_1 >= var_1_1 [L60] var_1_11 = (var_1_12 - (((((var_1_13 + var_1_14)) > (var_1_15)) ? ((var_1_13 + var_1_14)) : (var_1_15)))) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518424, var_1_1=2, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L100] RET step() [L101] CALL, EXPR property() [L91-L92] return ((((var_1_2 || ((~ var_1_10) >= var_1_10)) ? ((var_1_10 < var_1_8) ? ((! var_1_6) ? (var_1_1 == ((signed char) var_1_7)) : 1) : (var_1_1 == ((signed char) 2))) : (var_1_1 == ((signed char) var_1_7))) && (var_1_2 ? (var_1_8 == ((unsigned long int) ((1514707036u + ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))) - last_1_var_1_10))) : (var_1_8 == ((unsigned long int) ((((last_1_var_1_10) > (var_1_9)) ? (last_1_var_1_10) : (var_1_9))))))) && (var_1_2 ? (var_1_10 == ((signed long int) (var_1_8 + ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))))) : 1)) && ((var_1_1 >= var_1_1) ? (var_1_11 == ((double) (var_1_12 - (((((var_1_13 + var_1_14)) > (var_1_15)) ? ((var_1_13 + var_1_14)) : (var_1_15)))))) : (var_1_11 == ((double) ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13)))))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518424, var_1_1=2, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518424, var_1_1=2, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-10, var_1_10=-1706518424, var_1_1=2, var_1_2=-255, var_1_6=1, var_1_7=2, var_1_8=2588448870, var_1_9=1073741824] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 295 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 109 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 186 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=3, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 411 NumberOfCodeBlocks, 411 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 324 ConstructedInterpolants, 0 QuantifiedInterpolants, 461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 201 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1034/1056 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 10:35:28,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/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_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/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_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/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_85fa656b-04f3-473f-bfb3-b2b791404fb0/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 16ad83f9637e102c4cb7f07e80bc5a2852579b651b6bdeed800384bf5e7921a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:35:30,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:35:30,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:35:30,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:35:30,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:35:30,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:35:30,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:35:30,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:35:30,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:35:30,279 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:35:30,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:35:30,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:35:30,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:35:30,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:35:30,280 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:35:30,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:35:30,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:35:30,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:35:30,282 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:35:30,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:35:30,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:35:30,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:35:30,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:35:30,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:35:30,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:35:30,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:35:30,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:35:30,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:35:30,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:35:30,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:35:30,283 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:35:30,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:35:30,283 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:35:30,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:35:30,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:35:30,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:35:30,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:35:30,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:35:30,283 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_85fa656b-04f3-473f-bfb3-b2b791404fb0/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 -> 16ad83f9637e102c4cb7f07e80bc5a2852579b651b6bdeed800384bf5e7921a8 [2024-12-02 10:35:30,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:35:30,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:35:30,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:35:30,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:35:30,547 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:35:30,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i [2024-12-02 10:35:33,337 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/data/280a265fd/aee29c3b70af4df5a1dcb126802dd7f1/FLAGd68dd565c [2024-12-02 10:35:33,565 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:35:33,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i [2024-12-02 10:35:33,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/data/280a265fd/aee29c3b70af4df5a1dcb126802dd7f1/FLAGd68dd565c [2024-12-02 10:35:33,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/data/280a265fd/aee29c3b70af4df5a1dcb126802dd7f1 [2024-12-02 10:35:33,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:35:33,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:35:33,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:35:33,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:35:33,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:35:33,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd83340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33, skipping insertion in model container [2024-12-02 10:35:33,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:35:33,776 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_85fa656b-04f3-473f-bfb3-b2b791404fb0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i[917,930] [2024-12-02 10:35:33,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:35:33,832 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:35:33,845 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_85fa656b-04f3-473f-bfb3-b2b791404fb0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-15.i[917,930] [2024-12-02 10:35:33,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:35:33,886 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:35:33,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33 WrapperNode [2024-12-02 10:35:33,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:35:33,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:35:33,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:35:33,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:35:33,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,931 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2024-12-02 10:35:33,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:35:33,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:35:33,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:35:33,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:35:33,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,960 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 10:35:33,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,969 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:35:33,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:35:33,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:35:33,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:35:33,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (1/1) ... [2024-12-02 10:35:33,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:35:34,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:35:34,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:35:34,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:35:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:35:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:35:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:35:34,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:35:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:35:34,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:35:34,120 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:35:34,122 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:35:36,067 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 10:35:36,067 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:35:36,076 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:35:36,076 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:35:36,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:36 BoogieIcfgContainer [2024-12-02 10:35:36,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:35:36,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:35:36,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:35:36,082 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:35:36,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:35:33" (1/3) ... [2024-12-02 10:35:36,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79419940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:35:36, skipping insertion in model container [2024-12-02 10:35:36,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:33" (2/3) ... [2024-12-02 10:35:36,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79419940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:35:36, skipping insertion in model container [2024-12-02 10:35:36,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:36" (3/3) ... [2024-12-02 10:35:36,084 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-15.i [2024-12-02 10:35:36,097 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:35:36,099 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-15.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:35:36,147 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:35:36,159 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;@e588884, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:35:36,159 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:35:36,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 10:35:36,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 10:35:36,173 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:35:36,173 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:35:36,174 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:35:36,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:35:36,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1601258831, now seen corresponding path program 1 times [2024-12-02 10:35:36,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:35:36,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811074556] [2024-12-02 10:35:36,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:35:36,193 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:35:36,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:35:36,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:35:36,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 10:35:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:35:36,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:35:36,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:35:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-12-02 10:35:36,513 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:35:36,513 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:35:36,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811074556] [2024-12-02 10:35:36,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [811074556] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:35:36,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:35:36,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:35:36,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956521432] [2024-12-02 10:35:36,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:35:36,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:35:36,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:35:36,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:35:36,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:35:36,543 INFO L87 Difference]: Start difference. First operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:35:36,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:35:36,565 INFO L93 Difference]: Finished difference Result 85 states and 138 transitions. [2024-12-02 10:35:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:35:36,567 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2024-12-02 10:35:36,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:35:36,571 INFO L225 Difference]: With dead ends: 85 [2024-12-02 10:35:36,572 INFO L226 Difference]: Without dead ends: 42 [2024-12-02 10:35:36,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:35:36,576 INFO L435 NwaCegarLoop]: 58 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, 58 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:35:36,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:35:36,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-12-02 10:35:36,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-12-02 10:35:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 10:35:36,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2024-12-02 10:35:36,605 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 82 [2024-12-02 10:35:36,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:35:36,605 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2024-12-02 10:35:36,605 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, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 10:35:36,605 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-12-02 10:35:36,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 10:35:36,607 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:35:36,607 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:35:36,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 10:35:36,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:35:36,808 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:35:36,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:35:36,809 INFO L85 PathProgramCache]: Analyzing trace with hash 109782457, now seen corresponding path program 1 times [2024-12-02 10:35:36,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:35:36,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [937469650] [2024-12-02 10:35:36,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:35:36,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:35:36,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:35:36,812 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:35:36,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 10:35:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:35:37,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 10:35:37,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:35:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 53 proven. 30 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-12-02 10:35:37,554 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:35:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 10:35:37,768 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:35:37,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [937469650] [2024-12-02 10:35:37,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [937469650] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 10:35:37,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:35:37,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-12-02 10:35:37,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835811937] [2024-12-02 10:35:37,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:35:37,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:35:37,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:35:37,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:35:37,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:35:37,772 INFO L87 Difference]: Start difference. First operand 42 states and 58 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 10:35:38,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:35:39,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:35:39,043 INFO L93 Difference]: Finished difference Result 95 states and 131 transitions. [2024-12-02 10:35:39,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:35:39,055 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2024-12-02 10:35:39,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:35:39,056 INFO L225 Difference]: With dead ends: 95 [2024-12-02 10:35:39,056 INFO L226 Difference]: Without dead ends: 56 [2024-12-02 10:35:39,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:35:39,058 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 16 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:35:39,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 165 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 10:35:39,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-02 10:35:39,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2024-12-02 10:35:39,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 10:35:39,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2024-12-02 10:35:39,067 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 82 [2024-12-02 10:35:39,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:35:39,069 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2024-12-02 10:35:39,069 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, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 10:35:39,069 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2024-12-02 10:35:39,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 10:35:39,071 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:35:39,071 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:35:39,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 10:35:39,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:35:39,272 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:35:39,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:35:39,273 INFO L85 PathProgramCache]: Analyzing trace with hash -19505799, now seen corresponding path program 1 times [2024-12-02 10:35:39,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:35:39,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564739218] [2024-12-02 10:35:39,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:35:39,273 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:35:39,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:35:39,275 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:35:39,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 10:35:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:35:39,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:35:39,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:35:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 10:35:39,901 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:35:39,901 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:35:39,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564739218] [2024-12-02 10:35:39,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564739218] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:35:39,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:35:39,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:35:39,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890420578] [2024-12-02 10:35:39,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:35:39,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:35:39,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:35:39,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:35:39,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:35:39,903 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 10:35:40,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:35:40,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:35:40,997 INFO L93 Difference]: Finished difference Result 127 states and 175 transitions. [2024-12-02 10:35:40,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:35:40,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 82 [2024-12-02 10:35:40,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:35:40,999 INFO L225 Difference]: With dead ends: 127 [2024-12-02 10:35:40,999 INFO L226 Difference]: Without dead ends: 85 [2024-12-02 10:35:40,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:35:41,000 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 13 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:35:41,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 116 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 10:35:41,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-12-02 10:35:41,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2024-12-02 10:35:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.2) internal successors, (66), 55 states have internal predecessors, (66), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 10:35:41,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2024-12-02 10:35:41,013 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 82 [2024-12-02 10:35:41,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:35:41,013 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2024-12-02 10:35:41,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-12-02 10:35:41,014 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2024-12-02 10:35:41,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 10:35:41,015 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:35:41,015 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:35:41,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 10:35:41,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:35:41,215 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:35:41,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:35:41,216 INFO L85 PathProgramCache]: Analyzing trace with hash -636021362, now seen corresponding path program 1 times [2024-12-02 10:35:41,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:35:41,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077317919] [2024-12-02 10:35:41,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:35:41,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:35:41,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:35:41,218 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:35:41,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85fa656b-04f3-473f-bfb3-b2b791404fb0/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 10:35:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:35:41,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 10:35:41,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:37:22,607 WARN L286 SmtUtils]: Spent 41.38s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:48:41,131 WARN L286 SmtUtils]: Spent 14.31s on a formula simplification. DAG size of input: 2245 DAG size of output: 1667 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)