./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.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_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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 aa2d3a4d32419b470c0361de47444a015c2912d90722971545568c67ebc1d3c0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:41:27,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:41:27,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:41:27,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:41:27,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:41:28,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:41:28,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:41:28,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:41:28,012 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:41:28,015 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:41:28,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:41:28,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:41:28,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:41:28,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:41:28,017 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:41:28,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:41:28,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:41:28,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:41:28,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:41:28,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:41:28,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:41:28,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:41:28,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:41:28,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:41:28,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:41:28,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:41:28,018 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:41:28,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:41:28,018 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:41:28,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:41:28,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:41:28,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:41:28,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:41:28,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:41:28,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:41:28,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:41:28,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:41:28,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:41:28,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:41:28,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:41:28,023 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:41:28,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:41:28,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:41:28,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:41:28,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:41:28,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:41:28,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:41:28,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:41:28,024 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_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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 -> aa2d3a4d32419b470c0361de47444a015c2912d90722971545568c67ebc1d3c0 [2024-11-24 00:41:28,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:41:28,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:41:28,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:41:28,406 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:41:28,406 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:41:28,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i [2024-11-24 00:41:31,852 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/data/4895b14c9/fce17758a26549e5a013f5b0cc98b861/FLAG1b522f698 [2024-11-24 00:41:32,224 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:41:32,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i [2024-11-24 00:41:32,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/data/4895b14c9/fce17758a26549e5a013f5b0cc98b861/FLAG1b522f698 [2024-11-24 00:41:32,273 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/data/4895b14c9/fce17758a26549e5a013f5b0cc98b861 [2024-11-24 00:41:32,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:41:32,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:41:32,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:41:32,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:41:32,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:41:32,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484a97e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32, skipping insertion in model container [2024-11-24 00:41:32,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:41:32,532 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_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i[916,929] [2024-11-24 00:41:32,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:41:32,625 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:41:32,641 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_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i[916,929] [2024-11-24 00:41:32,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:41:32,703 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:41:32,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32 WrapperNode [2024-11-24 00:41:32,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:41:32,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:41:32,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:41:32,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:41:32,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,780 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-24 00:41:32,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:41:32,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:41:32,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:41:32,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:41:32,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,795 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,816 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]. [2024-11-24 00:41:32,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:41:32,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:41:32,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:41:32,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:41:32,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (1/1) ... [2024-11-24 00:41:32,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:41:32,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:41:32,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:41:32,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:41:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:41:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:41:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:41:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:41:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:41:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:41:33,025 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:41:33,027 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:41:33,379 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 00:41:33,379 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:41:33,399 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:41:33,399 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:41:33,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:41:33 BoogieIcfgContainer [2024-11-24 00:41:33,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:41:33,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:41:33,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:41:33,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:41:33,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:41:32" (1/3) ... [2024-11-24 00:41:33,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9af76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:41:33, skipping insertion in model container [2024-11-24 00:41:33,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:32" (2/3) ... [2024-11-24 00:41:33,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9af76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:41:33, skipping insertion in model container [2024-11-24 00:41:33,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:41:33" (3/3) ... [2024-11-24 00:41:33,415 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-0.i [2024-11-24 00:41:33,436 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:41:33,439 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-0.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:41:33,527 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:41:33,547 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;@63e0cdc6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:41:33,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:41:33,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-24 00:41:33,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-24 00:41:33,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:33,565 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:33,565 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:33,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:33,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1631651389, now seen corresponding path program 1 times [2024-11-24 00:41:33,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:41:33,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634073543] [2024-11-24 00:41:33,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:33,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:41:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-24 00:41:33,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:41:33,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634073543] [2024-11-24 00:41:33,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634073543] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:41:33,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160730563] [2024-11-24 00:41:33,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:33,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:41:33,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:41:33,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:41:33,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:41:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:34,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:41:34,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:34,155 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-24 00:41:34,158 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:41:34,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160730563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:41:34,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:41:34,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:41:34,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135206708] [2024-11-24 00:41:34,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:41:34,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:41:34,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:41:34,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:41:34,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:41:34,199 INFO L87 Difference]: Start difference. First operand has 41 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-24 00:41:34,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:34,285 INFO L93 Difference]: Finished difference Result 74 states and 120 transitions. [2024-11-24 00:41:34,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:41:34,287 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2024-11-24 00:41:34,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:34,297 INFO L225 Difference]: With dead ends: 74 [2024-11-24 00:41:34,297 INFO L226 Difference]: Without dead ends: 36 [2024-11-24 00:41:34,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:41:34,308 INFO L435 NwaCegarLoop]: 49 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, 49 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 [2024-11-24 00:41:34,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:41:34,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-24 00:41:34,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-24 00:41:34,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-24 00:41:34,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2024-11-24 00:41:34,364 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 58 [2024-11-24 00:41:34,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:41:34,365 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2024-11-24 00:41:34,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-24 00:41:34,365 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2024-11-24 00:41:34,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-24 00:41:34,369 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:34,370 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:34,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:41:34,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:41:34,575 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:34,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:34,575 INFO L85 PathProgramCache]: Analyzing trace with hash -402914689, now seen corresponding path program 1 times [2024-11-24 00:41:34,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:41:34,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795729015] [2024-11-24 00:41:34,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:34,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:41:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:41:34,650 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:41:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:41:34,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:41:34,802 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:41:34,804 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:41:34,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:41:34,814 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 00:41:34,894 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:41:34,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:41:34 BoogieIcfgContainer [2024-11-24 00:41:34,899 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:41:34,899 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:41:34,899 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:41:34,900 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:41:34,900 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:41:33" (3/4) ... [2024-11-24 00:41:34,903 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:41:34,904 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:41:34,905 INFO L158 Benchmark]: Toolchain (without parser) took 2626.21ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 75.6MB in the end (delta: 18.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-24 00:41:34,906 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:41:34,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.00ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 81.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:41:34,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.01ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 79.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:41:34,907 INFO L158 Benchmark]: Boogie Preprocessor took 71.41ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:41:34,907 INFO L158 Benchmark]: RCFGBuilder took 548.27ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 64.1MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:41:34,908 INFO L158 Benchmark]: TraceAbstraction took 1494.08ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 76.2MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:41:34,908 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 75.6MB in the end (delta: 610.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:41:34,910 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.00ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 81.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.01ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 79.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.41ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 548.27ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 64.1MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1494.08ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 76.2MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 75.6MB in the end (delta: 610.6kB). 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 someBinaryArithmeticDOUBLEoperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 25.8; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 128.2; [L25] double var_1_4 = 15.4; [L26] double var_1_5 = 5.25; [L27] unsigned char var_1_9 = 1; [L28] unsigned char var_1_10 = 100; [L29] unsigned char var_1_12 = 1; [L30] unsigned short int var_1_13 = 5; [L31] double last_1_var_1_5 = 5.25; [L32] unsigned char last_1_var_1_10 = 100; [L33] unsigned short int last_1_var_1_13 = 5; VAL [isInitial=0, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L93] isInitial = 1 [L94] FCALL initially() [L96] CALL updateLastVariables() [L84] last_1_var_1_5 = var_1_5 [L85] last_1_var_1_10 = var_1_10 [L86] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=1, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L96] RET updateLastVariables() [L97] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L70] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L71] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_3=641/5, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L72] var_1_3 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L73] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_4=77/5, var_1_5=21/4, var_1_9=1] [L74] var_1_4 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=1] [L75] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=1] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4] [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4] [L78] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=0] [L78] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=1, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=0] [L79] var_1_12 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=0] [L80] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=0] [L81] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=0] [L97] RET updateVariables() [L98] CALL step() [L37] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=0] [L42] COND FALSE !((last_1_var_1_13 + last_1_var_1_13) < last_1_var_1_13) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_1=129/5, var_1_2=0, var_1_5=21/4, var_1_9=0] [L47] COND TRUE ! var_1_2 [L48] var_1_1 = (var_1_3 - var_1_4) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=0, var_1_5=21/4, var_1_9=0] [L52] COND FALSE !((var_1_3 + (var_1_4 + var_1_1)) != var_1_1) [L65] var_1_5 = var_1_3 VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=0, var_1_3=259, var_1_5=259, var_1_9=0] [L98] RET step() [L99] CALL, EXPR property() [L89-L90] return ((((! var_1_2) ? (var_1_1 == ((double) (var_1_3 - var_1_4))) : (var_1_1 == ((double) ((((16.2) < (var_1_3)) ? (16.2) : (var_1_3)))))) && (((var_1_3 + (var_1_4 + var_1_1)) != var_1_1) ? (var_1_2 ? (((- var_1_13) <= var_1_10) ? (var_1_9 ? (var_1_5 == ((double) var_1_4)) : 1) : (var_1_5 == ((double) var_1_3))) : (var_1_5 == ((double) var_1_3))) : (var_1_5 == ((double) var_1_3)))) && (((last_1_var_1_13 + last_1_var_1_13) < last_1_var_1_13) ? ((last_1_var_1_13 > last_1_var_1_13) ? (var_1_10 == ((unsigned char) var_1_12)) : 1) : 1)) && (var_1_9 ? (((var_1_4 * (var_1_3 - 5.3)) <= last_1_var_1_5) ? (var_1_13 == ((unsigned short int) last_1_var_1_10)) : 1) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=0, var_1_3=259, var_1_5=259, var_1_9=0] [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=0, var_1_3=259, var_1_5=259, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=100, last_1_var_1_13=5, last_1_var_1_5=21/4, var_1_10=100, var_1_12=254, var_1_13=5, var_1_2=0, var_1_3=259, var_1_5=259, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 8, 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, 49 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, 49 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 155 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 210/224 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 [2024-11-24 00:41:34,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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 aa2d3a4d32419b470c0361de47444a015c2912d90722971545568c67ebc1d3c0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:41:38,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:41:38,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:41:38,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:41:38,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:41:38,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:41:38,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:41:38,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:41:38,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:41:38,241 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:41:38,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:41:38,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:41:38,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:41:38,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:41:38,242 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:41:38,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:41:38,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:41:38,243 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:41:38,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:41:38,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:41:38,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:41:38,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:41:38,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:41:38,244 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:41:38,244 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:41:38,244 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:41:38,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:41:38,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:41:38,244 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:41:38,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:41:38,245 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:41:38,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:41:38,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:41:38,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:41:38,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:41:38,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:41:38,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:41:38,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:41:38,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:41:38,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:41:38,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:41:38,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:41:38,247 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:41:38,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:41:38,247 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:41:38,247 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:41:38,248 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:41:38,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:41:38,248 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:41:38,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:41:38,248 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_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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 -> aa2d3a4d32419b470c0361de47444a015c2912d90722971545568c67ebc1d3c0 [2024-11-24 00:41:38,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:41:38,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:41:38,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:41:38,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:41:38,681 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:41:38,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i [2024-11-24 00:41:42,168 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/data/7c94edbaf/1fec3206d524434cbbf33bd9e2676165/FLAGa125dc700 [2024-11-24 00:41:42,530 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:41:42,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i [2024-11-24 00:41:42,545 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/data/7c94edbaf/1fec3206d524434cbbf33bd9e2676165/FLAGa125dc700 [2024-11-24 00:41:42,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/data/7c94edbaf/1fec3206d524434cbbf33bd9e2676165 [2024-11-24 00:41:42,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:41:42,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:41:42,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:41:42,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:41:42,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:41:42,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:41:42" (1/1) ... [2024-11-24 00:41:42,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae25bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:42, skipping insertion in model container [2024-11-24 00:41:42,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:41:42" (1/1) ... [2024-11-24 00:41:42,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:41:42,848 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_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i[916,929] [2024-11-24 00:41:42,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:41:42,951 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:41:42,965 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_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-0.i[916,929] [2024-11-24 00:41:43,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:41:43,040 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:41:43,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43 WrapperNode [2024-11-24 00:41:43,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:41:43,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:41:43,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:41:43,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:41:43,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,095 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-24 00:41:43,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:41:43,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:41:43,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:41:43,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:41:43,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,124 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]. [2024-11-24 00:41:43,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,139 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:41:43,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:41:43,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:41:43,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:41:43,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (1/1) ... [2024-11-24 00:41:43,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:41:43,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:41:43,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:41:43,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:41:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:41:43,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:41:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:41:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:41:43,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:41:43,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:41:43,359 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:41:43,362 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:41:58,903 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 00:41:58,904 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:41:58,920 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:41:58,920 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:41:58,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:41:58 BoogieIcfgContainer [2024-11-24 00:41:58,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:41:58,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:41:58,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:41:58,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:41:58,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:41:42" (1/3) ... [2024-11-24 00:41:58,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea6a8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:41:58, skipping insertion in model container [2024-11-24 00:41:58,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:41:43" (2/3) ... [2024-11-24 00:41:58,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea6a8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:41:58, skipping insertion in model container [2024-11-24 00:41:58,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:41:58" (3/3) ... [2024-11-24 00:41:58,942 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-0.i [2024-11-24 00:41:58,961 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:41:58,966 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-0.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:41:59,037 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:41:59,053 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;@3ce6af98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:41:59,053 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:41:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-24 00:41:59,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-24 00:41:59,092 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:41:59,093 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:41:59,094 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:41:59,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:41:59,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1631651389, now seen corresponding path program 1 times [2024-11-24 00:41:59,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:41:59,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193948434] [2024-11-24 00:41:59,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:41:59,114 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 [2024-11-24 00:41:59,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:41:59,119 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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) [2024-11-24 00:41:59,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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 [2024-11-24 00:41:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:41:59,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:41:59,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:41:59,910 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-24 00:41:59,910 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:41:59,911 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:41:59,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193948434] [2024-11-24 00:41:59,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193948434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:41:59,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:41:59,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:41:59,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313276775] [2024-11-24 00:41:59,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:41:59,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:41:59,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:41:59,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:41:59,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:41:59,946 INFO L87 Difference]: Start difference. First operand has 41 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 31 states have internal predecessors, (44), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-24 00:41:59,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:41:59,968 INFO L93 Difference]: Finished difference Result 74 states and 120 transitions. [2024-11-24 00:41:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:41:59,971 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2024-11-24 00:41:59,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:41:59,979 INFO L225 Difference]: With dead ends: 74 [2024-11-24 00:41:59,979 INFO L226 Difference]: Without dead ends: 36 [2024-11-24 00:41:59,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:41:59,987 INFO L435 NwaCegarLoop]: 49 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, 49 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 [2024-11-24 00:41:59,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:42:00,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-24 00:42:00,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-24 00:42:00,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-24 00:42:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2024-11-24 00:42:00,032 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 58 [2024-11-24 00:42:00,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:42:00,033 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2024-11-24 00:42:00,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-24 00:42:00,034 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2024-11-24 00:42:00,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-24 00:42:00,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:42:00,036 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:42:00,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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)] Forceful destruction successful, exit code 0 [2024-11-24 00:42:00,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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 [2024-11-24 00:42:00,237 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:42:00,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:42:00,239 INFO L85 PathProgramCache]: Analyzing trace with hash -402914689, now seen corresponding path program 1 times [2024-11-24 00:42:00,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:42:00,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741059775] [2024-11-24 00:42:00,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:42:00,240 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 [2024-11-24 00:42:00,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:42:00,245 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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) [2024-11-24 00:42:00,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbc34fea-3dc5-4b49-906e-be679ee7f3a9/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 [2024-11-24 00:42:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:42:00,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-24 00:42:00,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:42:18,097 WARN L286 SmtUtils]: Spent 7.84s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:42:26,164 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:42:34,266 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:42:41,706 WARN L286 SmtUtils]: Spent 7.44s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:42:49,775 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:42:57,876 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:43:05,946 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:43:14,017 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:43:22,100 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:43:26,119 WARN L851 $PredicateComparison]: unable to prove that (and (= (_ bv0 8) c_~var_1_9~0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0)) (fp.leq c_~var_1_3~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (fp.geq c_~var_1_3~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (= c_~var_1_3~0 c_~var_1_5~0) (= c_~var_1_13~0 (_ bv5 16)) (fp.eq (fp.add c_currentRoundingMode c_~var_1_3~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_1~0)) c_~var_1_1~0) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv0 8) c_~var_1_2~0)) is different from false