./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB --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 5bbe68fb90de4f0709fb0afd99ee912b5cc4ae214f3f64ef6d7261966d1843e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:47:23,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:47:23,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:47:23,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:47:23,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:47:23,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:47:23,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:47:23,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:47:23,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:47:23,786 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:47:23,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:47:23,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:47:23,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:47:23,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:47:23,788 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:47:23,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:47:23,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:47:23,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:47:23,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:47:23,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:47:23,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:47:23,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:47:23,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:47:23,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:47:23,790 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:47:23,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:47:23,790 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:47:23,791 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:47:23,791 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:47:23,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:23,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:23,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:23,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:23,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:47:23,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:23,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:23,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:23,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:23,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:47:23,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:47:23,792 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:47:23,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:47:23,792 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:47:23,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:47:23,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:47:23,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:47:23,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:47:23,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:47:23,793 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_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 5bbe68fb90de4f0709fb0afd99ee912b5cc4ae214f3f64ef6d7261966d1843e3 [2024-11-28 02:47:24,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:47:24,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:47:24,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:47:24,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:47:24,144 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:47:24,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i [2024-11-28 02:47:27,247 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/data/ec8fbbab5/1ab810d0214f4b6fa469310f4819c34f/FLAG10a211000 [2024-11-28 02:47:27,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:47:27,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i [2024-11-28 02:47:27,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/data/ec8fbbab5/1ab810d0214f4b6fa469310f4819c34f/FLAG10a211000 [2024-11-28 02:47:27,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/data/ec8fbbab5/1ab810d0214f4b6fa469310f4819c34f [2024-11-28 02:47:27,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:47:27,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:47:27,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:27,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:47:27,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:47:27,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:27,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e901dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27, skipping insertion in model container [2024-11-28 02:47:27,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:27,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:47:27,823 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_e50e13b5-17e7-481f-ae97-49cad52bf1d5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i[917,930] [2024-11-28 02:47:27,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:27,873 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:47:27,884 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_e50e13b5-17e7-481f-ae97-49cad52bf1d5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i[917,930] [2024-11-28 02:47:27,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:27,921 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:47:27,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27 WrapperNode [2024-11-28 02:47:27,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:27,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:27,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:47:27,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:47:27,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:27,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:27,992 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-28 02:47:27,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:27,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:47:27,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:47:27,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:47:28,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:28,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:28,015 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:28,037 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]. [2024-11-28 02:47:28,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:28,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:28,042 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:28,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:28,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:28,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:28,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:28,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:47:28,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:47:28,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:47:28,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:47:28,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (1/1) ... [2024-11-28 02:47:28,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:28,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:28,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:28,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:47:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:47:28,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:47:28,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:47:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:47:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:47:28,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:47:28,231 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:47:28,233 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:47:28,579 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-28 02:47:28,580 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:47:28,590 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:47:28,590 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:47:28,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:28 BoogieIcfgContainer [2024-11-28 02:47:28,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:47:28,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:47:28,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:47:28,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:47:28,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:47:27" (1/3) ... [2024-11-28 02:47:28,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213bc100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:28, skipping insertion in model container [2024-11-28 02:47:28,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:27" (2/3) ... [2024-11-28 02:47:28,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213bc100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:28, skipping insertion in model container [2024-11-28 02:47:28,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:28" (3/3) ... [2024-11-28 02:47:28,604 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-57.i [2024-11-28 02:47:28,623 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:47:28,627 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-57.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:47:28,710 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:47:28,724 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;@283a8401, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:47:28,726 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:47:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:47:28,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 02:47:28,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:28,743 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:28,743 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:28,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:28,748 INFO L85 PathProgramCache]: Analyzing trace with hash 121557008, now seen corresponding path program 1 times [2024-11-28 02:47:28,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:28,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844527478] [2024-11-28 02:47:28,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:28,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-28 02:47:29,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:29,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844527478] [2024-11-28 02:47:29,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844527478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:29,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403421640] [2024-11-28 02:47:29,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:29,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:29,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:29,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:29,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:47:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:29,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:47:29,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-28 02:47:29,301 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:29,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403421640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:29,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:47:29,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:47:29,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16801997] [2024-11-28 02:47:29,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:29,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:47:29,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:29,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:47:29,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:47:29,336 INFO L87 Difference]: Start difference. First operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 02:47:29,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:29,368 INFO L93 Difference]: Finished difference Result 99 states and 168 transitions. [2024-11-28 02:47:29,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:47:29,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2024-11-28 02:47:29,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:29,376 INFO L225 Difference]: With dead ends: 99 [2024-11-28 02:47:29,376 INFO L226 Difference]: Without dead ends: 49 [2024-11-28 02:47:29,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:47:29,383 INFO L435 NwaCegarLoop]: 71 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, 71 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 [2024-11-28 02:47:29,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:47:29,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-28 02:47:29,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-28 02:47:29,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:47:29,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2024-11-28 02:47:29,423 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 113 [2024-11-28 02:47:29,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:29,424 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2024-11-28 02:47:29,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 02:47:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2024-11-28 02:47:29,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 02:47:29,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:29,428 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:29,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:29,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:47:29,632 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:29,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:29,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1413857616, now seen corresponding path program 1 times [2024-11-28 02:47:29,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:29,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979260402] [2024-11-28 02:47:29,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:29,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:47:30,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:30,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979260402] [2024-11-28 02:47:30,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979260402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:30,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:30,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:47:30,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213928082] [2024-11-28 02:47:30,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:30,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:47:30,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:30,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:47:30,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:47:30,169 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:47:30,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:30,411 INFO L93 Difference]: Finished difference Result 142 states and 208 transitions. [2024-11-28 02:47:30,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:47:30,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 113 [2024-11-28 02:47:30,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:30,416 INFO L225 Difference]: With dead ends: 142 [2024-11-28 02:47:30,416 INFO L226 Difference]: Without dead ends: 96 [2024-11-28 02:47:30,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:47:30,418 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 40 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:30,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 189 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:47:30,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-28 02:47:30,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 83. [2024-11-28 02:47:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 44 states have internal predecessors, (50), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 02:47:30,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2024-11-28 02:47:30,447 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 113 [2024-11-28 02:47:30,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:30,447 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2024-11-28 02:47:30,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:47:30,447 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2024-11-28 02:47:30,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 02:47:30,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:30,449 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:30,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:47:30,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:30,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:30,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1713959245, now seen corresponding path program 1 times [2024-11-28 02:47:30,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:30,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092989541] [2024-11-28 02:47:30,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:30,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:30,634 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:30,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:47:30,746 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:47:30,747 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:47:30,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:47:30,753 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 02:47:30,865 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:47:30,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:47:30 BoogieIcfgContainer [2024-11-28 02:47:30,870 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:47:30,871 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:47:30,871 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:47:30,871 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:47:30,872 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:28" (3/4) ... [2024-11-28 02:47:30,875 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:47:30,876 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:47:30,877 INFO L158 Benchmark]: Toolchain (without parser) took 3275.47ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 95.7MB in the end (delta: 21.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,877 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:30,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.57ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 104.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.63ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,878 INFO L158 Benchmark]: Boogie Preprocessor took 65.96ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 100.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:30,879 INFO L158 Benchmark]: RCFGBuilder took 527.64ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 84.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,879 INFO L158 Benchmark]: TraceAbstraction took 2276.60ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 96.6MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:30,879 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.7MB in the end (delta: 905.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:30,881 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.57ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 104.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.63ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.96ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 100.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.64ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 84.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2276.60ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 96.6MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 95.7MB in the end (delta: 905.4kB). 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 someBinaryFLOATComparisonOperation at line 101. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_6 = 1; [L26] signed char var_1_9 = 64; [L27] signed char var_1_10 = 4; [L28] signed char var_1_11 = -4; [L29] signed char var_1_12 = 32; [L30] signed char var_1_13 = 32; [L31] signed char var_1_14 = -64; [L32] signed char var_1_15 = 50; [L33] signed char var_1_16 = 16; [L34] float var_1_17 = 63.5; [L35] signed char last_1_var_1_9 = 64; [L36] signed char last_1_var_1_14 = -64; VAL [isInitial=0, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=0, var_1_5=0, var_1_6=1, var_1_9=64] [L105] isInitial = 1 [L106] FCALL initially() [L108] CALL updateLastVariables() [L97] last_1_var_1_9 = var_1_9 [L98] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=0, var_1_5=0, var_1_6=1, var_1_9=64] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L68] var_1_4 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_5=0, var_1_6=1, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_5=0, var_1_6=1, var_1_9=64] [L69] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_5=0, var_1_6=1, var_1_9=64] [L70] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_9=64] [L70] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_9=64] [L71] var_1_5 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_6=1, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_6=1, var_1_9=64] [L72] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_6=1, var_1_9=64] [L73] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=1, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=1, var_1_9=64] [L73] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=1, var_1_9=64] [L74] var_1_6 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_9=64] [L75] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_9=64] [L76] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L76] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L77] var_1_10 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L78] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L79] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L79] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L80] var_1_11 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L81] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L82] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L82] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L83] var_1_12 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L84] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L85] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L85] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L86] var_1_13 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L87] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L88] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L88] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L89] var_1_15 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L90] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L91] CALL assume_abort_if_not(var_1_15 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L91] RET assume_abort_if_not(var_1_15 <= 64) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L92] var_1_16 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L93] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L94] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L94] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L109] RET updateVariables() [L110] CALL step() [L40] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, stepLocal_0=-255, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L41] COND TRUE ! (last_1_var_1_14 >= last_1_var_1_9) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, stepLocal_0=-255, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L42] COND TRUE (var_1_4 || var_1_5) && stepLocal_0 [L43] var_1_1 = ((((last_1_var_1_9) < (last_1_var_1_14)) ? (last_1_var_1_9) : (last_1_var_1_14))) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L50] signed long int stepLocal_3 = (var_1_15 + var_1_16) - ((((64) > (var_1_13)) ? (64) : (var_1_13))); VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, stepLocal_3=63, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L51] COND TRUE var_1_12 < stepLocal_3 [L52] var_1_14 = ((64 - var_1_16) - var_1_13) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-63, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L56] var_1_17 = 128.91f [L57] unsigned char stepLocal_2 = var_1_14 == var_1_1; [L58] unsigned char stepLocal_1 = var_1_5; VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, stepLocal_1=-256, stepLocal_2=0, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-63, var_1_15=64, var_1_16=63, var_1_17=12891/100, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L59] COND FALSE !(stepLocal_1 && var_1_4) [L64] var_1_9 = (var_1_12 - var_1_13) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, stepLocal_2=0, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-63, var_1_15=64, var_1_16=63, var_1_17=12891/100, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=-2] [L110] RET step() [L111] CALL, EXPR property() [L101-L102] return ((((! (last_1_var_1_14 >= last_1_var_1_9)) ? (((var_1_4 || var_1_5) && var_1_6) ? (var_1_1 == ((signed long int) ((((last_1_var_1_9) < (last_1_var_1_14)) ? (last_1_var_1_9) : (last_1_var_1_14))))) : (var_1_1 == ((signed long int) last_1_var_1_14))) : (var_1_1 == ((signed long int) last_1_var_1_14))) && ((var_1_5 && var_1_4) ? ((var_1_6 || (var_1_14 == var_1_1)) ? (var_1_9 == ((signed char) ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))))) : 1) : (var_1_9 == ((signed char) (var_1_12 - var_1_13))))) && ((var_1_12 < ((var_1_15 + var_1_16) - ((((64) > (var_1_13)) ? (64) : (var_1_13))))) ? (var_1_14 == ((signed char) ((64 - var_1_16) - var_1_13))) : (var_1_14 == ((signed char) ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))))))) && (var_1_17 == ((float) 128.91f)) ; VAL [\result=0, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-63, var_1_15=64, var_1_16=63, var_1_17=12891/100, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=-2] [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-63, var_1_15=64, var_1_16=63, var_1_17=12891/100, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=-2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-63, var_1_15=64, var_1_16=63, var_1_17=12891/100, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 137 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 453 NumberOfCodeBlocks, 453 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 269 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1802/1836 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 [2024-11-28 02:47:30,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB --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 5bbe68fb90de4f0709fb0afd99ee912b5cc4ae214f3f64ef6d7261966d1843e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:47:33,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:47:33,939 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:47:33,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:47:33,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:47:33,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:47:33,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:47:33,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:47:34,000 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:47:34,000 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:47:34,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:47:34,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:47:34,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:47:34,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:47:34,003 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:47:34,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:47:34,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:47:34,003 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:47:34,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:47:34,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:47:34,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:47:34,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:47:34,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:47:34,005 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:47:34,005 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:47:34,006 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:47:34,006 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:47:34,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:47:34,006 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:47:34,006 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:47:34,006 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:47:34,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:34,007 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:34,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:34,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:34,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:47:34,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:34,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:34,008 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:34,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:34,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:47:34,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:47:34,009 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:47:34,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:47:34,009 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:47:34,009 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:47:34,009 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:47:34,009 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:47:34,010 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:47:34,010 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:47:34,010 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_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 5bbe68fb90de4f0709fb0afd99ee912b5cc4ae214f3f64ef6d7261966d1843e3 [2024-11-28 02:47:34,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:47:34,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:47:34,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:47:34,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:47:34,426 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:47:34,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i [2024-11-28 02:47:37,927 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/data/573b62842/d15d2f2460f345b0859b46057b968d2b/FLAG2c5eff008 [2024-11-28 02:47:38,238 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:47:38,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i [2024-11-28 02:47:38,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/data/573b62842/d15d2f2460f345b0859b46057b968d2b/FLAG2c5eff008 [2024-11-28 02:47:38,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/data/573b62842/d15d2f2460f345b0859b46057b968d2b [2024-11-28 02:47:38,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:47:38,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:47:38,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:38,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:47:38,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:47:38,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb564ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38, skipping insertion in model container [2024-11-28 02:47:38,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:47:38,508 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_e50e13b5-17e7-481f-ae97-49cad52bf1d5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i[917,930] [2024-11-28 02:47:38,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:38,621 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:47:38,637 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_e50e13b5-17e7-481f-ae97-49cad52bf1d5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i[917,930] [2024-11-28 02:47:38,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:38,694 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:47:38,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38 WrapperNode [2024-11-28 02:47:38,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:38,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:38,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:47:38,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:47:38,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,759 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-28 02:47:38,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:38,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:47:38,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:47:38,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:47:38,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,782 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,805 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]. [2024-11-28 02:47:38,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,820 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:47:38,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:47:38,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:47:38,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:47:38,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:38,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:38,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:38,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:47:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:47:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:47:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:47:38,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:47:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:47:38,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:47:39,045 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:47:39,047 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:47:39,395 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-28 02:47:39,395 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:47:39,407 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:47:39,408 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:47:39,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:39 BoogieIcfgContainer [2024-11-28 02:47:39,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:47:39,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:47:39,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:47:39,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:47:39,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:47:38" (1/3) ... [2024-11-28 02:47:39,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4f5d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:39, skipping insertion in model container [2024-11-28 02:47:39,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (2/3) ... [2024-11-28 02:47:39,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4f5d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:39, skipping insertion in model container [2024-11-28 02:47:39,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:39" (3/3) ... [2024-11-28 02:47:39,423 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-57.i [2024-11-28 02:47:39,441 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:47:39,443 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-57.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:47:39,534 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:47:39,549 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;@327b7451, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:47:39,549 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:47:39,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:47:39,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 02:47:39,571 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:39,572 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:39,573 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:39,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:39,580 INFO L85 PathProgramCache]: Analyzing trace with hash 121557008, now seen corresponding path program 1 times [2024-11-28 02:47:39,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:39,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326199655] [2024-11-28 02:47:39,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:39,594 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 [2024-11-28 02:47:39,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:39,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:47:39,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:47:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:39,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:47:39,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:39,934 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-28 02:47:39,935 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:39,935 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:39,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1326199655] [2024-11-28 02:47:39,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1326199655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:39,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:39,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:39,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750008869] [2024-11-28 02:47:39,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:39,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:47:39,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:39,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:47:39,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:47:39,973 INFO L87 Difference]: Start difference. First operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 02:47:40,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:40,006 INFO L93 Difference]: Finished difference Result 99 states and 168 transitions. [2024-11-28 02:47:40,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:47:40,009 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2024-11-28 02:47:40,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:40,016 INFO L225 Difference]: With dead ends: 99 [2024-11-28 02:47:40,016 INFO L226 Difference]: Without dead ends: 49 [2024-11-28 02:47:40,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:47:40,024 INFO L435 NwaCegarLoop]: 71 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, 71 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 [2024-11-28 02:47:40,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:47:40,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-28 02:47:40,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-28 02:47:40,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:47:40,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2024-11-28 02:47:40,088 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 113 [2024-11-28 02:47:40,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:40,088 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2024-11-28 02:47:40,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 02:47:40,089 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2024-11-28 02:47:40,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 02:47:40,095 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:40,095 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:40,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:47:40,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:47:40,296 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:40,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:40,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1413857616, now seen corresponding path program 1 times [2024-11-28 02:47:40,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:40,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866332007] [2024-11-28 02:47:40,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:40,299 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 [2024-11-28 02:47:40,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:40,302 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:47:40,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:47:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:40,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:47:40,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:47:41,790 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:41,790 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:41,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866332007] [2024-11-28 02:47:41,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866332007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:41,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:41,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:47:41,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231051630] [2024-11-28 02:47:41,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:41,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:47:41,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:41,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:47:41,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:47:41,794 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:47:42,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:42,065 INFO L93 Difference]: Finished difference Result 142 states and 208 transitions. [2024-11-28 02:47:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:47:42,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 113 [2024-11-28 02:47:42,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:42,071 INFO L225 Difference]: With dead ends: 142 [2024-11-28 02:47:42,072 INFO L226 Difference]: Without dead ends: 96 [2024-11-28 02:47:42,073 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:47:42,075 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 37 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:42,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 189 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:47:42,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-28 02:47:42,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 83. [2024-11-28 02:47:42,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 44 states have internal predecessors, (50), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 02:47:42,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2024-11-28 02:47:42,125 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 113 [2024-11-28 02:47:42,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:42,125 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2024-11-28 02:47:42,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 02:47:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2024-11-28 02:47:42,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 02:47:42,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:42,133 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:42,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 02:47:42,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:47:42,334 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:42,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:42,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1713959245, now seen corresponding path program 1 times [2024-11-28 02:47:42,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:42,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1069059859] [2024-11-28 02:47:42,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:42,336 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 [2024-11-28 02:47:42,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:42,342 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:47:42,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e50e13b5-17e7-481f-ae97-49cad52bf1d5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 02:47:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:42,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-28 02:47:42,622 INFO L279 TraceCheckSpWp]: Computing forward predicates...