./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC --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 6b220e86dad156c2e1b76a913a90a5ef63453f4f58713f18c7816f381ac66b62 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:13:06,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:13:06,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:13:06,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:13:06,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:13:06,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:13:06,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:13:06,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:13:06,297 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:13:06,297 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:13:06,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:13:06,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:13:06,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:13:06,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:13:06,299 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:13:06,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:13:06,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:13:06,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:13:06,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:13:06,299 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:13:06,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:13:06,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:13:06,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:13:06,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:13:06,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:13:06,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:13:06,300 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:13:06,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:13:06,300 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:13:06,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:13:06,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:13:06,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:13:06,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:13:06,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:13:06,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:13:06,302 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:13:06,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:13:06,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:13:06,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:13:06,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:13:06,302 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:13:06,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:13:06,303 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:13:06,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:13:06,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:13:06,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:13:06,304 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:13:06,304 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:13:06,304 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_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC 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 -> 6b220e86dad156c2e1b76a913a90a5ef63453f4f58713f18c7816f381ac66b62 [2024-11-23 23:13:06,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:13:06,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:13:06,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:13:06,633 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:13:06,634 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:13:06,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i [2024-11-23 23:13:09,515 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/data/12e8a7030/696f3aac89714dff87fa9015fb0e91c7/FLAGd91e14b58 [2024-11-23 23:13:09,899 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:13:09,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i [2024-11-23 23:13:09,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/data/12e8a7030/696f3aac89714dff87fa9015fb0e91c7/FLAGd91e14b58 [2024-11-23 23:13:09,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/data/12e8a7030/696f3aac89714dff87fa9015fb0e91c7 [2024-11-23 23:13:09,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:13:09,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:13:09,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:13:09,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:13:09,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:13:09,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:13:09" (1/1) ... [2024-11-23 23:13:09,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0651dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:09, skipping insertion in model container [2024-11-23 23:13:09,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:13:09" (1/1) ... [2024-11-23 23:13:09,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:13:10,190 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_8362fe5d-78cb-4130-b4f0-99b6e129cff6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i[917,930] [2024-11-23 23:13:10,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:13:10,310 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:13:10,328 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_8362fe5d-78cb-4130-b4f0-99b6e129cff6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i[917,930] [2024-11-23 23:13:10,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:13:10,421 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:13:10,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10 WrapperNode [2024-11-23 23:13:10,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:13:10,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:13:10,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:13:10,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:13:10,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,505 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-23 23:13:10,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:13:10,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:13:10,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:13:10,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:13:10,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,523 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,548 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]. [2024-11-23 23:13:10,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,562 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:13:10,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:13:10,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:13:10,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:13:10,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (1/1) ... [2024-11-23 23:13:10,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:13:10,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:13:10,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:13:10,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:13:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:13:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:13:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:13:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:13:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:13:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:13:10,785 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:13:10,788 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:13:11,134 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-23 23:13:11,134 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:13:11,144 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:13:11,144 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:13:11,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:13:11 BoogieIcfgContainer [2024-11-23 23:13:11,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:13:11,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:13:11,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:13:11,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:13:11,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:13:09" (1/3) ... [2024-11-23 23:13:11,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5360953e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:13:11, skipping insertion in model container [2024-11-23 23:13:11,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:10" (2/3) ... [2024-11-23 23:13:11,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5360953e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:13:11, skipping insertion in model container [2024-11-23 23:13:11,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:13:11" (3/3) ... [2024-11-23 23:13:11,154 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-80.i [2024-11-23 23:13:11,170 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:13:11,172 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-80.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:13:11,230 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:13:11,242 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;@36b83169, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:13:11,242 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:13:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 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) [2024-11-23 23:13:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 23:13:11,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:11,256 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] [2024-11-23 23:13:11,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:11,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:11,261 INFO L85 PathProgramCache]: Analyzing trace with hash -241923401, now seen corresponding path program 1 times [2024-11-23 23:13:11,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:13:11,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711978314] [2024-11-23 23:13:11,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:11,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-23 23:13:11,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:13:11,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711978314] [2024-11-23 23:13:11,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711978314] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:13:11,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915692026] [2024-11-23 23:13:11,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:11,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:11,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:13:11,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:13:11,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:13:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:11,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:13:11,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:13:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-23 23:13:11,850 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:13:11,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915692026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:13:11,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:13:11,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:13:11,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257577834] [2024-11-23 23:13:11,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:13:11,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:13:11,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:13:11,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:13:11,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:13:11,886 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 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) [2024-11-23 23:13:11,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:11,925 INFO L93 Difference]: Finished difference Result 95 states and 157 transitions. [2024-11-23 23:13:11,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:13:11,929 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 [2024-11-23 23:13:11,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:11,937 INFO L225 Difference]: With dead ends: 95 [2024-11-23 23:13:11,937 INFO L226 Difference]: Without dead ends: 47 [2024-11-23 23:13:11,942 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 [2024-11-23 23:13:11,946 INFO L435 NwaCegarLoop]: 66 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, 66 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 [2024-11-23 23:13:11,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:13:11,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-23 23:13:12,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-23 23:13:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 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) [2024-11-23 23:13:12,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2024-11-23 23:13:12,032 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 109 [2024-11-23 23:13:12,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:12,034 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2024-11-23 23:13:12,034 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) [2024-11-23 23:13:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2024-11-23 23:13:12,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 23:13:12,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:12,040 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] [2024-11-23 23:13:12,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:13:12,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:12,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:12,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:12,245 INFO L85 PathProgramCache]: Analyzing trace with hash 985876905, now seen corresponding path program 1 times [2024-11-23 23:13:12,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:13:12,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050409321] [2024-11-23 23:13:12,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:12,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:13:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:13:12,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1634743009] [2024-11-23 23:13:12,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:12,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:13:12,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:13:12,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:13:12,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:13:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:13:12,758 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:13:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:13:12,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:13:12,886 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:13:12,887 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:13:12,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:13:13,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-23 23:13:13,092 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 23:13:13,164 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:13:13,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:13:13 BoogieIcfgContainer [2024-11-23 23:13:13,167 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:13:13,170 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:13:13,170 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:13:13,170 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:13:13,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:13:11" (3/4) ... [2024-11-23 23:13:13,173 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:13:13,174 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:13:13,175 INFO L158 Benchmark]: Toolchain (without parser) took 3208.43ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 58.8MB in the end (delta: 41.5MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-23 23:13:13,175 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:13:13,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.34ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 87.0MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:13:13,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.22ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 84.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:13:13,177 INFO L158 Benchmark]: Boogie Preprocessor took 83.23ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 81.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:13:13,177 INFO L158 Benchmark]: RCFGBuilder took 553.44ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 65.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:13:13,177 INFO L158 Benchmark]: TraceAbstraction took 2020.11ms. Allocated memory is still 142.6MB. Free memory was 64.6MB in the beginning and 59.5MB in the end (delta: 5.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-23 23:13:13,178 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 142.6MB. Free memory was 59.5MB in the beginning and 58.8MB in the end (delta: 690.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:13:13,180 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.34ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 87.0MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.22ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 84.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.23ms. Allocated memory is still 142.6MB. Free memory was 84.6MB in the beginning and 81.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 553.44ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 65.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2020.11ms. Allocated memory is still 142.6MB. Free memory was 64.6MB in the beginning and 59.5MB in the end (delta: 5.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 142.6MB. Free memory was 59.5MB in the beginning and 58.8MB in the end (delta: 690.6kB). 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 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_8 = 128; [L24] signed short int var_1_9 = -1; [L25] signed short int var_1_10 = 1; [L26] signed char var_1_12 = 0; [L27] unsigned char var_1_13 = 1; [L28] signed char var_1_14 = 2; [L29] double var_1_15 = 1.8; [L30] double var_1_16 = 25.8; [L31] double var_1_17 = 5.5; [L32] double var_1_18 = 4.3; [L33] double var_1_19 = 500.7; [L34] double var_1_20 = 127.5; [L35] double var_1_21 = 1.5; [L36] double var_1_22 = 99.84; [L37] unsigned short int var_1_23 = 4; [L38] signed char var_1_24 = -64; VAL [isInitial=0, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=128, var_1_9=-1] [L98] isInitial = 1 [L99] FCALL initially() [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L62] var_1_8 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L63] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L64] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L64] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L65] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L65] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=-1] [L66] var_1_9 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L67] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L68] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L68] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L69] var_1_10 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L70] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L71] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L71] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L73] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L74] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L74] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L75] var_1_14 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L77] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L77] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_16=129/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L78] var_1_16 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L79] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_17=11/2, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L80] var_1_17 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L81] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_18=43/10, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L82] var_1_18 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L83] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=5007/10, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L84] var_1_19 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L85] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_20=255/2, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L86] var_1_20 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L87] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_21=3/2, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L88] var_1_21 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L89] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_1=256, var_1_22=2496/25, var_1_23=4, var_1_24=-64, var_1_8=1, var_1_9=32766] [L102] RET updateVariables() [L103] CALL step() [L42] var_1_22 = var_1_19 [L43] var_1_23 = var_1_10 [L44] var_1_24 = var_1_14 [L45] unsigned char stepLocal_0 = var_1_23 <= var_1_24; VAL [isInitial=1, stepLocal_0=0, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=2, var_1_1=256, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=32766] [L46] COND FALSE !(var_1_13 || stepLocal_0) [L49] var_1_12 = var_1_14 VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=2, var_1_1=256, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=32766] [L51] signed short int stepLocal_1 = var_1_10; VAL [isInitial=1, stepLocal_1=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=9/5, var_1_19=2, var_1_1=256, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=32766] [L52] COND TRUE stepLocal_1 <= (var_1_23 / var_1_8) [L53] var_1_15 = ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=256, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=32766] [L57] COND TRUE (((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8)))) [L58] var_1_1 = (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=0, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=32766] [L103] RET step() [L104] CALL, EXPR property() [L94-L95] return (((((((((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8))))) ? (var_1_1 == ((signed short int) (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))))) : 1) && ((var_1_13 || (var_1_23 <= var_1_24)) ? (var_1_12 == ((signed char) ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))))) : (var_1_12 == ((signed char) var_1_14)))) && ((var_1_10 <= (var_1_23 / var_1_8)) ? (var_1_15 == ((double) ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))))) : (var_1_15 == ((double) (var_1_20 - var_1_21))))) && (var_1_22 == ((double) var_1_19))) && (var_1_23 == ((unsigned short int) var_1_10))) && (var_1_24 == ((signed char) var_1_14)) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=0, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=32766] [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=0, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=32766] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=3, var_1_16=3, var_1_17=0, var_1_18=0, var_1_19=2, var_1_1=0, var_1_22=2, var_1_23=1, var_1_24=0, var_1_8=1, var_1_9=32766] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 66 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 436 NumberOfCodeBlocks, 436 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1056/1088 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 [2024-11-23 23:13:13,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/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_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC --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 6b220e86dad156c2e1b76a913a90a5ef63453f4f58713f18c7816f381ac66b62 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:13:15,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:13:15,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:13:15,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:13:15,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:13:15,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:13:15,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:13:15,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:13:15,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:13:15,993 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:13:15,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:13:15,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:13:15,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:13:15,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:13:15,995 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:13:15,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:13:15,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:13:15,996 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:13:15,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:13:15,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:13:15,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:13:15,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:13:15,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:13:15,996 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:13:15,996 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:13:15,996 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:13:15,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:13:15,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:13:15,997 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:13:15,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:13:15,997 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:13:15,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:13:15,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:13:15,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:13:15,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:13:15,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:13:15,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:13:15,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:13:15,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:13:15,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:13:15,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:13:15,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:13:15,999 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:13:15,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:13:15,999 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:13:15,999 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:13:15,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:13:15,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:13:15,999 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:13:15,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:13:15,999 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_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC 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 -> 6b220e86dad156c2e1b76a913a90a5ef63453f4f58713f18c7816f381ac66b62 [2024-11-23 23:13:16,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:13:16,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:13:16,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:13:16,367 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:13:16,367 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:13:16,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i [2024-11-23 23:13:19,311 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/data/26c9c556b/d2a269f6b0a9418d9111b8208c6c5407/FLAGb488a31a4 [2024-11-23 23:13:19,637 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:13:19,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i [2024-11-23 23:13:19,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/data/26c9c556b/d2a269f6b0a9418d9111b8208c6c5407/FLAGb488a31a4 [2024-11-23 23:13:19,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/data/26c9c556b/d2a269f6b0a9418d9111b8208c6c5407 [2024-11-23 23:13:19,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:13:19,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:13:19,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:13:19,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:13:19,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:13:19,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:13:19" (1/1) ... [2024-11-23 23:13:19,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7984ad8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:19, skipping insertion in model container [2024-11-23 23:13:19,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:13:19" (1/1) ... [2024-11-23 23:13:19,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:13:20,113 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_8362fe5d-78cb-4130-b4f0-99b6e129cff6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i[917,930] [2024-11-23 23:13:20,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:13:20,198 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:13:20,211 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_8362fe5d-78cb-4130-b4f0-99b6e129cff6/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-80.i[917,930] [2024-11-23 23:13:20,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:13:20,266 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:13:20,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20 WrapperNode [2024-11-23 23:13:20,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:13:20,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:13:20,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:13:20,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:13:20,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,319 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-23 23:13:20,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:13:20,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:13:20,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:13:20,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:13:20,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,338 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,352 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]. [2024-11-23 23:13:20,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,365 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:13:20,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:13:20,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:13:20,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:13:20,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (1/1) ... [2024-11-23 23:13:20,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:13:20,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:13:20,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:13:20,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:13:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:13:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:13:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:13:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:13:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:13:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:13:20,551 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:13:20,553 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:13:22,073 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-23 23:13:22,074 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:13:22,090 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:13:22,091 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:13:22,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:13:22 BoogieIcfgContainer [2024-11-23 23:13:22,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:13:22,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:13:22,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:13:22,101 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:13:22,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:13:19" (1/3) ... [2024-11-23 23:13:22,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a53574d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:13:22, skipping insertion in model container [2024-11-23 23:13:22,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:13:20" (2/3) ... [2024-11-23 23:13:22,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a53574d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:13:22, skipping insertion in model container [2024-11-23 23:13:22,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:13:22" (3/3) ... [2024-11-23 23:13:22,104 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-80.i [2024-11-23 23:13:22,121 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:13:22,123 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-80.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:13:22,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:13:22,215 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;@133b9b90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:13:22,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:13:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 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) [2024-11-23 23:13:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 23:13:22,227 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:22,228 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] [2024-11-23 23:13:22,228 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:22,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:22,233 INFO L85 PathProgramCache]: Analyzing trace with hash -241923401, now seen corresponding path program 1 times [2024-11-23 23:13:22,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:13:22,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [233125686] [2024-11-23 23:13:22,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:22,244 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 [2024-11-23 23:13:22,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:13:22,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:13:22,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:13:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:22,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:13:22,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:13:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-23 23:13:22,703 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:13:22,706 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:13:22,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [233125686] [2024-11-23 23:13:22,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [233125686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:13:22,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:13:22,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:13:22,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714547692] [2024-11-23 23:13:22,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:13:22,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:13:22,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:13:22,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:13:22,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:13:22,743 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 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) [2024-11-23 23:13:22,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:13:22,781 INFO L93 Difference]: Finished difference Result 95 states and 157 transitions. [2024-11-23 23:13:22,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:13:22,784 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 [2024-11-23 23:13:22,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:13:22,791 INFO L225 Difference]: With dead ends: 95 [2024-11-23 23:13:22,792 INFO L226 Difference]: Without dead ends: 47 [2024-11-23 23:13:22,798 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 [2024-11-23 23:13:22,805 INFO L435 NwaCegarLoop]: 66 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, 66 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 [2024-11-23 23:13:22,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:13:22,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-23 23:13:22,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-23 23:13:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 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) [2024-11-23 23:13:22,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2024-11-23 23:13:22,862 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 109 [2024-11-23 23:13:22,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:13:22,864 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2024-11-23 23:13:22,865 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) [2024-11-23 23:13:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2024-11-23 23:13:22,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 23:13:22,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:13:22,869 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] [2024-11-23 23:13:22,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:13:23,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:13:23,070 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:13:23,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:13:23,071 INFO L85 PathProgramCache]: Analyzing trace with hash 985876905, now seen corresponding path program 1 times [2024-11-23 23:13:23,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:13:23,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437232023] [2024-11-23 23:13:23,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:13:23,074 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 [2024-11-23 23:13:23,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:13:23,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:13:23,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8362fe5d-78cb-4130-b4f0-99b6e129cff6/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:13:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:13:23,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-23 23:13:23,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:13:54,387 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 129 DAG size of output: 127 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)