./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.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_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/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_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/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_996b6626-1ee3-40ac-9c09-a56e4702a363/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 ca79e00de52f11d8ef4f7d7e899d1648e015c642ca9f0e470d7c5f9273658d6f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:04:24,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:04:24,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:04:24,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:04:24,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:04:24,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:04:24,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:04:24,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:04:24,169 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:04:24,169 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:04:24,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:04:24,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:04:24,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:04:24,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:04:24,170 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:04:24,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:04:24,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:04:24,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:04:24,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:04:24,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:04:24,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:04:24,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:04:24,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:04:24,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:04:24,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:04:24,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:04:24,173 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:04:24,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:04:24,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:04:24,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:04:24,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:04:24,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:04:24,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:04:24,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:04:24,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:04:24,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:04:24,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:04:24,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:04:24,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:04:24,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:04:24,175 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:04:24,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:04:24,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:04:24,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:04:24,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:04:24,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:04:24,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:04:24,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:04:24,176 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_996b6626-1ee3-40ac-9c09-a56e4702a363/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 -> ca79e00de52f11d8ef4f7d7e899d1648e015c642ca9f0e470d7c5f9273658d6f [2024-11-24 00:04:24,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:04:24,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:04:24,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:04:24,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:04:24,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:04:24,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.i [2024-11-24 00:04:28,258 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/data/fc07331be/7afd1aa7db9b4fbabb066e7eb5b884c3/FLAG49a62bb1a [2024-11-24 00:04:28,580 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:04:28,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.i [2024-11-24 00:04:28,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/data/fc07331be/7afd1aa7db9b4fbabb066e7eb5b884c3/FLAG49a62bb1a [2024-11-24 00:04:28,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/data/fc07331be/7afd1aa7db9b4fbabb066e7eb5b884c3 [2024-11-24 00:04:28,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:04:28,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:04:28,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:04:28,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:04:28,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:04:28,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:28,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ad7792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28, skipping insertion in model container [2024-11-24 00:04:28,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:28,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:04:28,818 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_996b6626-1ee3-40ac-9c09-a56e4702a363/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.i[917,930] [2024-11-24 00:04:28,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:04:28,897 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:04:28,909 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_996b6626-1ee3-40ac-9c09-a56e4702a363/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.i[917,930] [2024-11-24 00:04:28,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:04:28,955 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:04:28,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28 WrapperNode [2024-11-24 00:04:28,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:04:28,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:04:28,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:04:28,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:04:28,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:28,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:29,007 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-11-24 00:04:29,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:04:29,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:04:29,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:04:29,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:04:29,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:29,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:29,024 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:29,053 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 00:04:29,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:29,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:29,068 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:29,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:29,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:29,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:29,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:29,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:04:29,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:04:29,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:04:29,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:04:29,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (1/1) ... [2024-11-24 00:04:29,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:04:29,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:04:29,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:04:29,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:04:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:04:29,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:04:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:04:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:04:29,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:04:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:04:29,287 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:04:29,292 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:04:29,644 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-24 00:04:29,644 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:04:29,661 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:04:29,661 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:04:29,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:04:29 BoogieIcfgContainer [2024-11-24 00:04:29,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:04:29,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:04:29,665 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:04:29,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:04:29,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:04:28" (1/3) ... [2024-11-24 00:04:29,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6281ecc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:04:29, skipping insertion in model container [2024-11-24 00:04:29,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:28" (2/3) ... [2024-11-24 00:04:29,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6281ecc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:04:29, skipping insertion in model container [2024-11-24 00:04:29,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:04:29" (3/3) ... [2024-11-24 00:04:29,676 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-46.i [2024-11-24 00:04:29,697 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:04:29,699 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-46.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:04:29,800 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:04:29,822 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;@3f17123e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:04:29,822 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:04:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 43 states have internal predecessors, (60), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:04:29,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-24 00:04:29,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:29,842 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:04:29,843 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:29,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:29,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1834690103, now seen corresponding path program 1 times [2024-11-24 00:04:29,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:29,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162876034] [2024-11-24 00:04:29,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:29,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:04:30,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [238309041] [2024-11-24 00:04:30,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:30,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:04:30,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:04:30,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:04:30,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:04:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:04:30,554 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:04:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:04:30,741 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:04:30,745 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:04:30,747 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:04:30,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:04:30,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:04:30,954 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-24 00:04:31,039 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:04:31,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:04:31 BoogieIcfgContainer [2024-11-24 00:04:31,044 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:04:31,045 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:04:31,045 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:04:31,045 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:04:31,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:04:29" (3/4) ... [2024-11-24 00:04:31,053 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:04:31,058 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:04:31,059 INFO L158 Benchmark]: Toolchain (without parser) took 2445.37ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 74.0MB in the end (delta: 18.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-24 00:04:31,059 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:04:31,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.53ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.4MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:04:31,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.24ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:04:31,061 INFO L158 Benchmark]: Boogie Preprocessor took 82.31ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:04:31,065 INFO L158 Benchmark]: RCFGBuilder took 568.22ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 59.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:04:31,065 INFO L158 Benchmark]: TraceAbstraction took 1379.75ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 74.1MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:04:31,066 INFO L158 Benchmark]: Witness Printer took 12.69ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:04:31,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.53ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.4MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.24ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 82.31ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 568.22ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 59.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1379.75ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 74.1MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 12.69ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 31.75; [L24] signed char var_1_4 = -8; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_8 = 1; [L28] unsigned char var_1_9 = 1; [L29] signed short int var_1_10 = -4; [L30] signed short int var_1_12 = 32; [L31] signed char var_1_13 = -25; [L32] signed char var_1_16 = 4; [L33] unsigned char last_1_var_1_1 = 1; [L34] signed short int last_1_var_1_10 = -4; VAL [isInitial=0, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_2=127/4, var_1_4=-8, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L104] isInitial = 1 [L105] FCALL initially() [L107] CALL updateLastVariables() [L96] last_1_var_1_1 = var_1_1 [L97] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_2=127/4, var_1_4=-8, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L73] var_1_2 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-8, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-8, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L74] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-8, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L75] var_1_4 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L77] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L78] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L78] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L79] var_1_6 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_7=0, var_1_8=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_7=0, var_1_8=1, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L81] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L82] var_1_7 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_8=1, var_1_9=1] [L83] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_8=1, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L84] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L85] var_1_9 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L86] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L87] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L88] var_1_12 = __VERIFIER_nondet_short() [L89] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L89] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L90] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L90] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L91] var_1_16 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L92] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L93] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L108] RET updateVariables() [L109] CALL step() [L38] COND FALSE !(last_1_var_1_10 <= (var_1_12 / var_1_4)) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L43] signed long int stepLocal_1 = (((var_1_4) < (var_1_13)) ? (var_1_4) : (var_1_13)); [L44] signed long int stepLocal_0 = var_1_13 / var_1_4; VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, stepLocal_0=5, stepLocal_1=-25, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L45] COND FALSE !((- var_1_2) >= 16.75) [L60] var_1_1 = 1 VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, stepLocal_0=5, stepLocal_1=-25, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L62] signed char stepLocal_2 = var_1_13; VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, stepLocal_0=5, stepLocal_1=-25, stepLocal_2=-25, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L63] EXPR var_1_13 | var_1_13 VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, stepLocal_0=5, stepLocal_1=-25, stepLocal_2=-25, var_1_10=-4, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L63] COND TRUE ((var_1_13 | var_1_13) + var_1_4) < stepLocal_2 [L64] var_1_10 = (var_1_12 - 256) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, stepLocal_0=5, stepLocal_1=-25, var_1_10=1, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L68] COND FALSE !(1 == var_1_4) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, stepLocal_0=5, stepLocal_1=-25, var_1_10=1, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR ((((- var_1_2) >= 16.75) ? (((var_1_13 / var_1_4) >= var_1_13) ? ((((((var_1_4) < (var_1_13)) ? (var_1_4) : (var_1_13))) > -32) ? (var_1_1 == ((unsigned char) 0)) : (var_1_1 == ((unsigned char) (var_1_6 || var_1_7)))) : (var_1_6 ? (var_1_1 == ((unsigned char) 1)) : (var_1_1 == ((unsigned char) var_1_7)))) : (var_1_1 == ((unsigned char) 1))) && ((1 == var_1_4) ? (var_1_8 == ((unsigned char) var_1_9)) : 1)) && ((((var_1_13 | var_1_13) + var_1_4) < var_1_13) ? (var_1_10 == ((signed short int) (var_1_12 - 256))) : (var_1_10 == ((signed short int) 128))) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=1, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L100-L101] return (((((- var_1_2) >= 16.75) ? (((var_1_13 / var_1_4) >= var_1_13) ? ((((((var_1_4) < (var_1_13)) ? (var_1_4) : (var_1_13))) > -32) ? (var_1_1 == ((unsigned char) 0)) : (var_1_1 == ((unsigned char) (var_1_6 || var_1_7)))) : (var_1_6 ? (var_1_1 == ((unsigned char) 1)) : (var_1_1 == ((unsigned char) var_1_7)))) : (var_1_1 == ((unsigned char) 1))) && ((1 == var_1_4) ? (var_1_8 == ((unsigned char) var_1_9)) : 1)) && ((((var_1_13 | var_1_13) + var_1_4) < var_1_13) ? (var_1_10 == ((signed short int) (var_1_12 - 256))) : (var_1_10 == ((signed short int) 128)))) && ((last_1_var_1_10 <= (var_1_12 / var_1_4)) ? (last_1_var_1_1 ? (var_1_13 == ((signed char) var_1_16)) : 1) : 1) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=1, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=1, var_1_12=257, var_1_13=-25, var_1_16=0, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 00:04:31,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/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_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/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_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/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_996b6626-1ee3-40ac-9c09-a56e4702a363/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 ca79e00de52f11d8ef4f7d7e899d1648e015c642ca9f0e470d7c5f9273658d6f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:04:34,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:04:34,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:04:34,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:04:34,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:04:34,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:04:34,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:04:34,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:04:34,682 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:04:34,682 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:04:34,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:04:34,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:04:34,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:04:34,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:04:34,683 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:04:34,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:04:34,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:04:34,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:04:34,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:04:34,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:04:34,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:04:34,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:04:34,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:04:34,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:04:34,684 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:04:34,684 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:04:34,684 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:04:34,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:04:34,685 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:04:34,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:04:34,685 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:04:34,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:04:34,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:04:34,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:04:34,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:04:34,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:04:34,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:04:34,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:04:34,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:04:34,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:04:34,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:04:34,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:04:34,686 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:04:34,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:04:34,687 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:04:34,687 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:04:34,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:04:34,687 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:04:34,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:04:34,687 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:04:34,687 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_996b6626-1ee3-40ac-9c09-a56e4702a363/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 -> ca79e00de52f11d8ef4f7d7e899d1648e015c642ca9f0e470d7c5f9273658d6f [2024-11-24 00:04:35,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:04:35,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:04:35,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:04:35,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:04:35,126 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:04:35,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.i [2024-11-24 00:04:39,065 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/data/d5bb5e956/d785f383c64c4a1aa69c361bab3c2f58/FLAGa6b4ed1a1 [2024-11-24 00:04:39,425 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:04:39,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.i [2024-11-24 00:04:39,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/data/d5bb5e956/d785f383c64c4a1aa69c361bab3c2f58/FLAGa6b4ed1a1 [2024-11-24 00:04:39,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/data/d5bb5e956/d785f383c64c4a1aa69c361bab3c2f58 [2024-11-24 00:04:39,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:04:39,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:04:39,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:04:39,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:04:39,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:04:39,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:04:39" (1/1) ... [2024-11-24 00:04:39,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39176c6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:39, skipping insertion in model container [2024-11-24 00:04:39,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:04:39" (1/1) ... [2024-11-24 00:04:39,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:04:39,912 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_996b6626-1ee3-40ac-9c09-a56e4702a363/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.i[917,930] [2024-11-24 00:04:39,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:04:39,984 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:04:39,999 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_996b6626-1ee3-40ac-9c09-a56e4702a363/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-46.i[917,930] [2024-11-24 00:04:40,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:04:40,053 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:04:40,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40 WrapperNode [2024-11-24 00:04:40,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:04:40,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:04:40,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:04:40,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:04:40,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,116 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-11-24 00:04:40,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:04:40,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:04:40,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:04:40,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:04:40,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,131 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,145 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 00:04:40,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,160 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:04:40,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:04:40,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:04:40,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:04:40,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (1/1) ... [2024-11-24 00:04:40,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:04:40,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:04:40,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:04:40,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:04:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:04:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:04:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:04:40,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:04:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:04:40,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:04:40,342 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:04:40,345 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:04:40,947 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-24 00:04:40,947 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:04:40,967 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:04:40,967 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:04:40,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:04:40 BoogieIcfgContainer [2024-11-24 00:04:40,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:04:40,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:04:40,974 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:04:40,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:04:40,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:04:39" (1/3) ... [2024-11-24 00:04:40,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3902db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:04:40, skipping insertion in model container [2024-11-24 00:04:40,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:04:40" (2/3) ... [2024-11-24 00:04:40,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3902db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:04:40, skipping insertion in model container [2024-11-24 00:04:40,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:04:40" (3/3) ... [2024-11-24 00:04:40,986 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-46.i [2024-11-24 00:04:41,009 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:04:41,012 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-46.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:04:41,098 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:04:41,117 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;@2b301521, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:04:41,117 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:04:41,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:04:41,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-24 00:04:41,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:41,166 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:04:41,167 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:41,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:41,173 INFO L85 PathProgramCache]: Analyzing trace with hash -149084322, now seen corresponding path program 1 times [2024-11-24 00:04:41,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:41,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439413283] [2024-11-24 00:04:41,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:41,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:04:41,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:41,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/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 00:04:41,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/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 00:04:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:41,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:04:41,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:04:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:04:42,273 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:04:42,274 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:04:42,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439413283] [2024-11-24 00:04:42,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439413283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:42,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:42,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:04:42,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205249565] [2024-11-24 00:04:42,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:42,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:04:42,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:04:42,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:04:42,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:04:42,309 INFO L87 Difference]: Start difference. First operand has 50 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:04:42,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:42,833 INFO L93 Difference]: Finished difference Result 151 states and 259 transitions. [2024-11-24 00:04:42,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:04:42,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92 [2024-11-24 00:04:42,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:42,855 INFO L225 Difference]: With dead ends: 151 [2024-11-24 00:04:42,856 INFO L226 Difference]: Without dead ends: 104 [2024-11-24 00:04:42,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:04:42,864 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 40 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:42,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 193 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:04:42,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-24 00:04:42,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 99. [2024-11-24 00:04:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 67 states have internal predecessors, (85), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-24 00:04:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 143 transitions. [2024-11-24 00:04:42,957 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 143 transitions. Word has length 92 [2024-11-24 00:04:42,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:42,958 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 143 transitions. [2024-11-24 00:04:42,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:04:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 143 transitions. [2024-11-24 00:04:42,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-24 00:04:42,966 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:42,966 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:04:42,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 00:04:43,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/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 00:04:43,171 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:43,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:43,172 INFO L85 PathProgramCache]: Analyzing trace with hash -147237280, now seen corresponding path program 1 times [2024-11-24 00:04:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:04:43,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087479024] [2024-11-24 00:04:43,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:43,173 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 00:04:43,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:04:43,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/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 00:04:43,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996b6626-1ee3-40ac-9c09-a56e4702a363/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 00:04:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:43,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 00:04:43,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:07:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 196 proven. 24 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:07:03,493 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:17:58,140 WARN L286 SmtUtils]: Spent 1.49m on a formula simplification. DAG size of input: 235 DAG size of output: 212 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)