./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.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_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 3399d68d5f538e178264c8cc09444ea6c28026f61fb8e4808b455fab52f2fa4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:56:25,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:56:25,682 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:56:25,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:56:25,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:56:25,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:56:25,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:56:25,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:56:25,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:56:25,709 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:56:25,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:56:25,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:56:25,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:56:25,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:56:25,710 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:56:25,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:56:25,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:56:25,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:56:25,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:56:25,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:56:25,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:56:25,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:56:25,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:56:25,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:56:25,711 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:56:25,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:56:25,711 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:56:25,711 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:56:25,711 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:56:25,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:56:25,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:56:25,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:56:25,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:56:25,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:56:25,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:56:25,712 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:56:25,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:56:25,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:56:25,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:56:25,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:56:25,712 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:56:25,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:56:25,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:56:25,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:56:25,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:56:25,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:56:25,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:56:25,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:56:25,713 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_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 -> 3399d68d5f538e178264c8cc09444ea6c28026f61fb8e4808b455fab52f2fa4f [2024-12-02 10:56:25,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:56:25,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:56:25,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:56:25,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:56:25,946 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:56:25,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i [2024-12-02 10:56:28,522 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/data/ef79201c1/434674e84b654280882852bb37f4821a/FLAGf457591c9 [2024-12-02 10:56:28,727 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:56:28,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i [2024-12-02 10:56:28,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/data/ef79201c1/434674e84b654280882852bb37f4821a/FLAGf457591c9 [2024-12-02 10:56:28,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/data/ef79201c1/434674e84b654280882852bb37f4821a [2024-12-02 10:56:28,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:56:28,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:56:28,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:56:28,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:56:28,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:56:28,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:28,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c021149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28, skipping insertion in model container [2024-12-02 10:56:28,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:28,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:56:28,891 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_039d93a6-78fb-457c-97bc-ab5c52dcb93e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i[917,930] [2024-12-02 10:56:28,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:56:28,940 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:56:28,949 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_039d93a6-78fb-457c-97bc-ab5c52dcb93e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i[917,930] [2024-12-02 10:56:28,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:56:28,983 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:56:28,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28 WrapperNode [2024-12-02 10:56:28,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:56:28,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:56:28,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:56:28,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:56:28,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:28,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:29,017 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-12-02 10:56:29,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:56:29,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:56:29,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:56:29,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:56:29,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:29,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:29,029 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:29,040 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 10:56:29,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:29,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:29,045 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:29,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:29,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:29,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:29,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:29,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:56:29,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:56:29,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:56:29,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:56:29,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (1/1) ... [2024-12-02 10:56:29,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:56:29,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:56:29,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:56:29,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:56:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:56:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:56:29,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:56:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:56:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:56:29,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:56:29,164 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:56:29,166 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:56:29,342 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 10:56:29,342 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:56:29,350 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:56:29,351 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:56:29,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:29 BoogieIcfgContainer [2024-12-02 10:56:29,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:56:29,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:56:29,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:56:29,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:56:29,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:56:28" (1/3) ... [2024-12-02 10:56:29,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ea748c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:56:29, skipping insertion in model container [2024-12-02 10:56:29,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:28" (2/3) ... [2024-12-02 10:56:29,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ea748c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:56:29, skipping insertion in model container [2024-12-02 10:56:29,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:29" (3/3) ... [2024-12-02 10:56:29,358 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-74.i [2024-12-02 10:56:29,369 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:56:29,370 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-74.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:56:29,414 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:56:29,423 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;@29ca4093, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:56:29,423 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:56:29,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 10:56:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 10:56:29,433 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:56:29,434 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:29,434 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:56:29,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:56:29,438 INFO L85 PathProgramCache]: Analyzing trace with hash -780075771, now seen corresponding path program 1 times [2024-12-02 10:56:29,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:56:29,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125280047] [2024-12-02 10:56:29,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:56:29,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:56:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:56:29,636 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 10:56:29,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:56:29,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125280047] [2024-12-02 10:56:29,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125280047] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:56:29,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791648941] [2024-12-02 10:56:29,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:56:29,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:56:29,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:56:29,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:56:29,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:56:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:56:29,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:56:29,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:56:29,802 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 10:56:29,803 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:56:29,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791648941] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:56:29,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:56:29,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 10:56:29,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132908548] [2024-12-02 10:56:29,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:56:29,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:56:29,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:56:29,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:56:29,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:56:29,829 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 10:56:29,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:56:29,850 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-12-02 10:56:29,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:56:29,852 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2024-12-02 10:56:29,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:56:29,858 INFO L225 Difference]: With dead ends: 101 [2024-12-02 10:56:29,858 INFO L226 Difference]: Without dead ends: 50 [2024-12-02 10:56:29,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 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 10:56:29,863 INFO L435 NwaCegarLoop]: 72 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, 72 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 10:56:29,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:56:29,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-12-02 10:56:29,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-12-02 10:56:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 10:56:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-12-02 10:56:29,899 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 109 [2024-12-02 10:56:29,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:56:29,900 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-12-02 10:56:29,900 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 10:56:29,900 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-12-02 10:56:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 10:56:29,902 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:56:29,902 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:29,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:56:30,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 10:56:30,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:56:30,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:56:30,104 INFO L85 PathProgramCache]: Analyzing trace with hash -784881349, now seen corresponding path program 1 times [2024-12-02 10:56:30,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:56:30,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891945973] [2024-12-02 10:56:30,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:56:30,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:56:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:56:30,562 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 10:56:30,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:56:30,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891945973] [2024-12-02 10:56:30,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891945973] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:56:30,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:56:30,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:56:30,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733281631] [2024-12-02 10:56:30,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:56:30,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:56:30,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:56:30,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:56:30,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:56:30,565 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 10:56:30,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:56:30,728 INFO L93 Difference]: Finished difference Result 145 states and 211 transitions. [2024-12-02 10:56:30,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:56:30,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-12-02 10:56:30,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:56:30,731 INFO L225 Difference]: With dead ends: 145 [2024-12-02 10:56:30,731 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 10:56:30,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:56:30,733 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 42 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:56:30,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 230 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:56:30,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 10:56:30,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 85. [2024-12-02 10:56:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 10:56:30,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2024-12-02 10:56:30,752 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 123 transitions. Word has length 109 [2024-12-02 10:56:30,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:56:30,752 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 123 transitions. [2024-12-02 10:56:30,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 10:56:30,753 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2024-12-02 10:56:30,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 10:56:30,754 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:56:30,754 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:30,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:56:30,754 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:56:30,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:56:30,755 INFO L85 PathProgramCache]: Analyzing trace with hash 24465277, now seen corresponding path program 1 times [2024-12-02 10:56:30,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:56:30,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921556446] [2024-12-02 10:56:30,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:56:30,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:56:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:56:30,855 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:56:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:56:30,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:56:30,973 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:56:30,973 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:56:30,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:56:30,978 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 10:56:31,029 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:56:31,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:56:31 BoogieIcfgContainer [2024-12-02 10:56:31,032 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:56:31,033 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:56:31,033 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:56:31,033 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:56:31,034 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:29" (3/4) ... [2024-12-02 10:56:31,036 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:56:31,037 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:56:31,037 INFO L158 Benchmark]: Toolchain (without parser) took 2289.49ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 53.3MB in the end (delta: 63.7MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2024-12-02 10:56:31,038 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:56:31,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.96ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 103.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:56:31,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.53ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 102.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:56:31,038 INFO L158 Benchmark]: Boogie Preprocessor took 34.92ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:56:31,039 INFO L158 Benchmark]: RCFGBuilder took 297.63ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 84.7MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:56:31,039 INFO L158 Benchmark]: TraceAbstraction took 1679.74ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 54.1MB in the end (delta: 30.0MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-12-02 10:56:31,039 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 53.3MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:56:31,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.96ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 103.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.53ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 102.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.92ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.63ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 84.7MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1679.74ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 54.1MB in the end (delta: 30.0MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 53.3MB in the beginning and 53.3MB 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 someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryDOUBLEComparisonOperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 25; [L23] double var_1_2 = 63.25; [L24] double var_1_3 = 3.779; [L25] double var_1_4 = 31.6; [L26] double var_1_5 = 100.5; [L27] unsigned long int var_1_6 = 64; [L28] unsigned long int var_1_7 = 3150951169; [L29] unsigned long int var_1_8 = 128; [L30] unsigned long int var_1_9 = 1; [L31] unsigned char var_1_10 = 1; [L32] double var_1_11 = 9.3; [L33] unsigned char var_1_14 = 0; [L34] unsigned char var_1_15 = 1; [L35] unsigned char var_1_16 = 1; [L36] unsigned char last_1_var_1_16 = 1; VAL [isInitial=0, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_2=253/4, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L108] isInitial = 1 [L109] FCALL initially() [L111] CALL updateLastVariables() [L101] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_2=253/4, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L111] RET updateLastVariables() [L112] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L72] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_3=3779/1000, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L73] var_1_3 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L74] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_4=158/5, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L75] var_1_4 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L76] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_5=201/2, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L77] var_1_5 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L78] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=64, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L79] var_1_6 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L81] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=3150951169, var_1_8=128, var_1_9=1] [L82] var_1_7 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=128, var_1_9=1] [L83] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=128, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_7 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=128, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=128, var_1_9=1] [L84] RET assume_abort_if_not(var_1_7 <= 4294967294) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=128, var_1_9=1] [L85] var_1_8 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_9=1] [L86] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=1] [L87] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=1] [L88] var_1_9 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649] [L89] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649] [L90] CALL assume_abort_if_not(var_1_9 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L90] RET assume_abort_if_not(var_1_9 <= 4294967294) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_11=93/10, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L91] var_1_11 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L92] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L93] var_1_14 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L94] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L95] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L95] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L96] var_1_15 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L97] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L98] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L98] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L112] RET updateVariables() [L113] CALL step() [L40] unsigned char stepLocal_0 = last_1_var_1_16 && last_1_var_1_16; VAL [isInitial=1, last_1_var_1_16=1, stepLocal_0=1, var_1_10=1, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L41] COND TRUE (var_1_5 > var_1_11) || stepLocal_0 [L42] var_1_10 = var_1_14 VAL [isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L46] unsigned char stepLocal_1 = var_1_10; VAL [isInitial=1, last_1_var_1_16=1, stepLocal_1=0, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=1, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L47] COND FALSE !(stepLocal_1 && var_1_10) [L54] var_1_16 = var_1_15 VAL [isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=-255, var_1_1=25, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L56] COND TRUE ((((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) < (var_1_4)) ? (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) < var_1_5 [L57] var_1_1 = ((((var_1_6) > ((var_1_7 - var_1_8))) ? (var_1_6) : ((var_1_7 - var_1_8)))) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=-255, var_1_1=4, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L113] RET step() [L114] CALL, EXPR property() [L104-L105] return (((((((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) < (var_1_4)) ? (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3)))) : (var_1_4))) < var_1_5) ? (var_1_1 == ((unsigned long int) ((((var_1_6) > ((var_1_7 - var_1_8))) ? (var_1_6) : ((var_1_7 - var_1_8)))))) : ((var_1_2 >= (var_1_3 + var_1_5)) ? ((var_1_4 > (- var_1_5)) ? (var_1_1 == ((unsigned long int) var_1_6)) : (var_1_1 == ((unsigned long int) var_1_9))) : (var_1_1 == ((unsigned long int) var_1_6)))) && (((var_1_5 > var_1_11) || (last_1_var_1_16 && last_1_var_1_16)) ? (var_1_10 == ((unsigned char) var_1_14)) : (var_1_10 == ((unsigned char) (var_1_14 && (! var_1_15)))))) && ((var_1_10 && var_1_10) ? ((var_1_4 < (- var_1_5)) ? (var_1_16 == ((unsigned char) var_1_15)) : (var_1_16 == ((unsigned char) var_1_15))) : (var_1_16 == ((unsigned char) var_1_15))) ; VAL [\result=0, isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=-255, var_1_1=4, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=-255, var_1_1=4, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] [L19] reach_error() VAL [isInitial=1, last_1_var_1_16=1, var_1_10=0, var_1_14=0, var_1_15=-255, var_1_16=-255, var_1_1=4, var_1_6=4294967299, var_1_7=-2147483645, var_1_8=-2147483649, var_1_9=4294967294] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 302 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 140 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=2, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 436 NumberOfCodeBlocks, 436 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 324 ConstructedInterpolants, 0 QuantifiedInterpolants, 394 SizeOfPredicates, 0 NumberOfNonLiveVariables, 250 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1600/1632 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 10:56:31,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 3399d68d5f538e178264c8cc09444ea6c28026f61fb8e4808b455fab52f2fa4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:56:32,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:56:33,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:56:33,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:56:33,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:56:33,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:56:33,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:56:33,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:56:33,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:56:33,059 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:56:33,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:56:33,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:56:33,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:56:33,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:56:33,060 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:56:33,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:56:33,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:56:33,061 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:56:33,062 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:56:33,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:56:33,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:56:33,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:56:33,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:56:33,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:56:33,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:56:33,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:56:33,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:56:33,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:56:33,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:56:33,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:56:33,063 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:56:33,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:56:33,063 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:56:33,063 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:56:33,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:56:33,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:56:33,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:56:33,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:56:33,063 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_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 -> 3399d68d5f538e178264c8cc09444ea6c28026f61fb8e4808b455fab52f2fa4f [2024-12-02 10:56:33,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:56:33,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:56:33,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:56:33,305 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:56:33,305 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:56:33,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i [2024-12-02 10:56:35,974 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/data/5c2b416c3/777907a5eb714eb48d418dfe30d05e7e/FLAG184b0fc90 [2024-12-02 10:56:36,160 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:56:36,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i [2024-12-02 10:56:36,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/data/5c2b416c3/777907a5eb714eb48d418dfe30d05e7e/FLAG184b0fc90 [2024-12-02 10:56:36,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/data/5c2b416c3/777907a5eb714eb48d418dfe30d05e7e [2024-12-02 10:56:36,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:56:36,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:56:36,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:56:36,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:56:36,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:56:36,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d37eaf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36, skipping insertion in model container [2024-12-02 10:56:36,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:56:36,663 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_039d93a6-78fb-457c-97bc-ab5c52dcb93e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i[917,930] [2024-12-02 10:56:36,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:56:36,704 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:56:36,711 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_039d93a6-78fb-457c-97bc-ab5c52dcb93e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-74.i[917,930] [2024-12-02 10:56:36,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:56:36,738 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:56:36,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36 WrapperNode [2024-12-02 10:56:36,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:56:36,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:56:36,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:56:36,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:56:36,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,772 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-12-02 10:56:36,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:56:36,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:56:36,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:56:36,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:56:36,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,783 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,791 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 10:56:36,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:56:36,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:56:36,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:56:36,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:56:36,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (1/1) ... [2024-12-02 10:56:36,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:56:36,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:56:36,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:56:36,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:56:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:56:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:56:36,858 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:56:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:56:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:56:36,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:56:36,924 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:56:36,926 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:56:37,542 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 10:56:37,542 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:56:37,551 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:56:37,551 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:56:37,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:37 BoogieIcfgContainer [2024-12-02 10:56:37,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:56:37,553 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:56:37,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:56:37,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:56:37,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:56:36" (1/3) ... [2024-12-02 10:56:37,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eeac6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:56:37, skipping insertion in model container [2024-12-02 10:56:37,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:56:36" (2/3) ... [2024-12-02 10:56:37,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eeac6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:56:37, skipping insertion in model container [2024-12-02 10:56:37,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:37" (3/3) ... [2024-12-02 10:56:37,560 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-74.i [2024-12-02 10:56:37,574 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:56:37,575 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-74.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:56:37,616 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:56:37,624 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;@334ff720, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:56:37,624 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:56:37,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 10:56:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 10:56:37,636 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:56:37,637 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:37,637 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:56:37,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:56:37,642 INFO L85 PathProgramCache]: Analyzing trace with hash -780075771, now seen corresponding path program 1 times [2024-12-02 10:56:37,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:56:37,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508515810] [2024-12-02 10:56:37,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:56:37,652 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 10:56:37,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:56:37,654 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 10:56:37,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 10:56:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:56:37,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:56:37,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:56:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-02 10:56:37,899 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:56:37,899 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:56:37,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [508515810] [2024-12-02 10:56:37,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [508515810] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:56:37,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:56:37,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:56:37,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609138202] [2024-12-02 10:56:37,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:56:37,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:56:37,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:56:37,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:56:37,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:56:37,920 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 10:56:37,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:56:37,940 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-12-02 10:56:37,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:56:37,942 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2024-12-02 10:56:37,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:56:37,947 INFO L225 Difference]: With dead ends: 101 [2024-12-02 10:56:37,947 INFO L226 Difference]: Without dead ends: 50 [2024-12-02 10:56:37,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 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 10:56:37,952 INFO L435 NwaCegarLoop]: 72 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, 72 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 10:56:37,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:56:37,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-12-02 10:56:37,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-12-02 10:56:37,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 10:56:37,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-12-02 10:56:37,982 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 109 [2024-12-02 10:56:37,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:56:37,982 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-12-02 10:56:37,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 10:56:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-12-02 10:56:37,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 10:56:37,986 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:56:37,986 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:37,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 10:56:38,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 10:56:38,187 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:56:38,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:56:38,188 INFO L85 PathProgramCache]: Analyzing trace with hash -784881349, now seen corresponding path program 1 times [2024-12-02 10:56:38,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:56:38,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663389195] [2024-12-02 10:56:38,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:56:38,188 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 10:56:38,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:56:38,190 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 10:56:38,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 10:56:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:56:38,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:56:38,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:56:38,808 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 10:56:38,808 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:56:38,808 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:56:38,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663389195] [2024-12-02 10:56:38,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1663389195] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:56:38,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:56:38,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:56:38,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370396198] [2024-12-02 10:56:38,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:56:38,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:56:38,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:56:38,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:56:38,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:56:38,811 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 10:56:39,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:56:39,549 INFO L93 Difference]: Finished difference Result 145 states and 211 transitions. [2024-12-02 10:56:39,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:56:39,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-12-02 10:56:39,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:56:39,557 INFO L225 Difference]: With dead ends: 145 [2024-12-02 10:56:39,557 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 10:56:39,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:56:39,558 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 40 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:56:39,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 265 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 10:56:39,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 10:56:39,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 85. [2024-12-02 10:56:39,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 10:56:39,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2024-12-02 10:56:39,577 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 123 transitions. Word has length 109 [2024-12-02 10:56:39,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:56:39,577 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 123 transitions. [2024-12-02 10:56:39,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 10:56:39,578 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2024-12-02 10:56:39,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 10:56:39,579 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:56:39,580 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:56:39,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 10:56:39,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 10:56:39,780 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:56:39,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:56:39,781 INFO L85 PathProgramCache]: Analyzing trace with hash 24465277, now seen corresponding path program 1 times [2024-12-02 10:56:39,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:56:39,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630740419] [2024-12-02 10:56:39,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:56:39,782 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 10:56:39,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:56:39,783 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 10:56:39,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_039d93a6-78fb-457c-97bc-ab5c52dcb93e/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 10:56:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:56:39,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 10:56:39,957 INFO L279 TraceCheckSpWp]: Computing forward predicates...