./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.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_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d62049a8671dc4126607d95338b3f088a05730ad2ea95c2a5aaf3301f472a609 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:52:16,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:52:16,492 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:52:16,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:52:16,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:52:16,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:52:16,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:52:16,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:52:16,519 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:52:16,520 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:52:16,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:52:16,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:52:16,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:52:16,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:52:16,520 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:52:16,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:52:16,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:52:16,521 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:52:16,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:52:16,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:52:16,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:52:16,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:52:16,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:52:16,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:52:16,521 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:52:16,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:52:16,521 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:52:16,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:52:16,522 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:52:16,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:52:16,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:52:16,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:52:16,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:52:16,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:52:16,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:52:16,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:52:16,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:52:16,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:52:16,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:52:16,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:52:16,523 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:52:16,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:52:16,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:52:16,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:52:16,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:52:16,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:52:16,523 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:52:16,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:52:16,523 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_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62049a8671dc4126607d95338b3f088a05730ad2ea95c2a5aaf3301f472a609 [2024-12-02 12:52:16,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:52:16,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:52:16,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:52:16,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:52:16,789 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:52:16,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i [2024-12-02 12:52:19,437 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/data/a55316db0/ddcb4641a7cf43c0983fb354dfed803f/FLAGff5cdbe3d [2024-12-02 12:52:19,653 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:52:19,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i [2024-12-02 12:52:19,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/data/a55316db0/ddcb4641a7cf43c0983fb354dfed803f/FLAGff5cdbe3d [2024-12-02 12:52:19,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/data/a55316db0/ddcb4641a7cf43c0983fb354dfed803f [2024-12-02 12:52:19,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:52:19,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:52:19,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:52:19,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:52:19,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:52:19,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:19,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a630cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19, skipping insertion in model container [2024-12-02 12:52:19,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:19,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:52:19,856 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_65ff0db2-6a21-471b-979d-481e086a3c03/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i[917,930] [2024-12-02 12:52:19,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:52:19,912 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:52:19,923 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_65ff0db2-6a21-471b-979d-481e086a3c03/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i[917,930] [2024-12-02 12:52:19,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:52:19,960 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:52:19,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19 WrapperNode [2024-12-02 12:52:19,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:52:19,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:52:19,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:52:19,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:52:19,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:19,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:20,004 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-12-02 12:52:20,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:52:20,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:52:20,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:52:20,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:52:20,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:20,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:20,018 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:20,032 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 12:52:20,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:20,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:20,038 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:20,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:20,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:20,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:20,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:20,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:52:20,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:52:20,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:52:20,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:52:20,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (1/1) ... [2024-12-02 12:52:20,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:52:20,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:52:20,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:52:20,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:52:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:52:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:52:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:52:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:52:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:52:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:52:20,189 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:52:20,191 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:52:20,400 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 12:52:20,401 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:52:20,409 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:52:20,409 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:52:20,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:52:20 BoogieIcfgContainer [2024-12-02 12:52:20,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:52:20,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:52:20,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:52:20,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:52:20,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:52:19" (1/3) ... [2024-12-02 12:52:20,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103f9e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:52:20, skipping insertion in model container [2024-12-02 12:52:20,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:19" (2/3) ... [2024-12-02 12:52:20,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103f9e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:52:20, skipping insertion in model container [2024-12-02 12:52:20,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:52:20" (3/3) ... [2024-12-02 12:52:20,419 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-16.i [2024-12-02 12:52:20,435 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:52:20,437 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-16.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:52:20,492 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:52:20,504 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;@30c58f4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:52:20,505 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:52:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:52:20,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 12:52:20,519 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:20,520 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:52:20,520 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:52:20,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:20,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1698972838, now seen corresponding path program 1 times [2024-12-02 12:52:20,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:52:20,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606352668] [2024-12-02 12:52:20,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:20,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:52:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:20,762 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 12:52:20,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:52:20,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606352668] [2024-12-02 12:52:20,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606352668] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:52:20,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766489829] [2024-12-02 12:52:20,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:20,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:20,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:52:20,766 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:52:20,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:52:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:20,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:52:20,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:52:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 12:52:20,945 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:52:20,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766489829] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:52:20,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:52:20,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:52:20,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910200672] [2024-12-02 12:52:20,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:52:20,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:52:20,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:52:20,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:52:20,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:52:20,968 INFO L87 Difference]: Start difference. First operand has 58 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:52:20,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:52:20,991 INFO L93 Difference]: Finished difference Result 109 states and 189 transitions. [2024-12-02 12:52:20,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:52:20,992 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2024-12-02 12:52:20,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:52:20,998 INFO L225 Difference]: With dead ends: 109 [2024-12-02 12:52:20,998 INFO L226 Difference]: Without dead ends: 54 [2024-12-02 12:52:21,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:52:21,004 INFO L435 NwaCegarLoop]: 80 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, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:52:21,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:52:21,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-12-02 12:52:21,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-12-02 12:52:21,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:52:21,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 80 transitions. [2024-12-02 12:52:21,038 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 80 transitions. Word has length 129 [2024-12-02 12:52:21,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:52:21,038 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 80 transitions. [2024-12-02 12:52:21,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:52:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2024-12-02 12:52:21,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 12:52:21,041 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:21,041 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:52:21,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:52:21,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 12:52:21,242 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:52:21,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:21,242 INFO L85 PathProgramCache]: Analyzing trace with hash 438035284, now seen corresponding path program 1 times [2024-12-02 12:52:21,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:52:21,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165330742] [2024-12-02 12:52:21,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:21,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:52:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 18 proven. 96 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2024-12-02 12:52:23,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:52:23,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165330742] [2024-12-02 12:52:23,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165330742] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:52:23,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489575958] [2024-12-02 12:52:23,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:23,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:23,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:52:23,219 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:52:23,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:52:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:23,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 12:52:23,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:52:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 312 proven. 96 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-12-02 12:52:24,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:52:45,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489575958] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:52:45,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:52:45,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 12 [2024-12-02 12:52:45,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680544626] [2024-12-02 12:52:45,281 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:52:45,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:52:45,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:52:45,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:52:45,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=136, Unknown=1, NotChecked=0, Total=182 [2024-12-02 12:52:45,283 INFO L87 Difference]: Start difference. First operand 54 states and 80 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 3 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 12:52:46,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:52:46,824 INFO L93 Difference]: Finished difference Result 175 states and 251 transitions. [2024-12-02 12:52:46,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 12:52:46,825 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 3 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 129 [2024-12-02 12:52:46,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:52:46,828 INFO L225 Difference]: With dead ends: 175 [2024-12-02 12:52:46,828 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 12:52:46,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=164, Invalid=435, Unknown=1, NotChecked=0, Total=600 [2024-12-02 12:52:46,830 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 62 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:52:46,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 351 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 12:52:46,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 12:52:46,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 109. [2024-12-02 12:52:46,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 62 states have internal predecessors, (73), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 12:52:46,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-12-02 12:52:46,856 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 129 [2024-12-02 12:52:46,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:52:46,857 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-12-02 12:52:46,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 3 states have call successors, (42), 4 states have call predecessors, (42), 7 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 12:52:46,858 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-12-02 12:52:46,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 12:52:46,860 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:46,860 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:52:46,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:52:47,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:47,061 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:52:47,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:47,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1118093654, now seen corresponding path program 1 times [2024-12-02 12:52:47,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:52:47,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882940557] [2024-12-02 12:52:47,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:47,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:52:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:52:47,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1641775330] [2024-12-02 12:52:47,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:47,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:47,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:52:47,125 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:52:47,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:52:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:52:47,219 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:52:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:52:47,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:52:47,315 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:52:47,316 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:52:47,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 12:52:47,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:47,522 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 12:52:47,592 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:52:47,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:52:47 BoogieIcfgContainer [2024-12-02 12:52:47,595 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:52:47,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:52:47,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:52:47,596 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:52:47,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:52:20" (3/4) ... [2024-12-02 12:52:47,599 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:52:47,600 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:52:47,601 INFO L158 Benchmark]: Toolchain (without parser) took 27918.62ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 116.3MB in the beginning and 118.5MB in the end (delta: -2.2MB). Peak memory consumption was 182.9MB. Max. memory is 16.1GB. [2024-12-02 12:52:47,601 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:52:47,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.88ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 103.5MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:52:47,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.00ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 101.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:52:47,602 INFO L158 Benchmark]: Boogie Preprocessor took 42.00ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 99.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:52:47,602 INFO L158 Benchmark]: RCFGBuilder took 361.79ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 83.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:52:47,602 INFO L158 Benchmark]: TraceAbstraction took 27183.49ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 82.7MB in the beginning and 118.5MB in the end (delta: -35.8MB). Peak memory consumption was 149.3MB. Max. memory is 16.1GB. [2024-12-02 12:52:47,602 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 327.2MB. Free memory was 118.5MB in the beginning and 118.5MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:52:47,604 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.88ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 103.5MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.00ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 101.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.00ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 99.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.79ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 83.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 27183.49ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 82.7MB in the beginning and 118.5MB in the end (delta: -35.8MB). Peak memory consumption was 149.3MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 327.2MB. Free memory was 118.5MB in the beginning and 118.5MB in the end (delta: 43.3kB). 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 54, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed short int var_1_3 = 4; [L24] signed short int var_1_4 = 256; [L25] unsigned char var_1_5 = 0; [L26] unsigned char var_1_6 = 1; [L27] float var_1_7 = 1000000.8; [L28] float var_1_8 = 3.8; [L29] signed char var_1_9 = 25; [L30] float var_1_10 = 2.75; [L31] signed char var_1_11 = 0; [L32] signed char var_1_12 = 32; [L33] signed char var_1_13 = 2; [L34] signed char var_1_14 = 2; [L35] signed short int var_1_15 = -32; [L36] signed char last_1_var_1_9 = 25; VAL [isInitial=0, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=4, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L107] isInitial = 1 [L108] FCALL initially() [L110] CALL updateLastVariables() [L100] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=4, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L110] RET updateLastVariables() [L111] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_short() [L68] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L68] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L69] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L69] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L70] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L70] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L71] var_1_4 = __VERIFIER_nondet_short() [L72] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L72] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L73] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L73] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L74] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L74] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L75] var_1_5 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L76] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L77] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L77] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L78] var_1_6 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L79] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L80] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L80] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L81] var_1_8 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L82] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L83] var_1_10 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L84] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L85] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L85] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L86] var_1_11 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L87] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L88] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L88] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L89] var_1_12 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_12 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L90] RET assume_abort_if_not(var_1_12 >= 31) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L91] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L91] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L92] var_1_13 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L94] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L94] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L95] var_1_14 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L96] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L97] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L97] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L111] RET updateVariables() [L112] CALL step() [L40] COND FALSE !((last_1_var_1_9 % ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4)))) <= -1000000) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L43] var_1_7 = var_1_8 [L44] signed char stepLocal_2 = var_1_11; [L45] unsigned char stepLocal_1 = 99999.375 <= var_1_10; VAL [isInitial=1, last_1_var_1_9=25, stepLocal_1=1, stepLocal_2=0, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-32, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L46] COND FALSE !(var_1_13 <= stepLocal_2) [L51] var_1_15 = -25 VAL [isInitial=1, last_1_var_1_9=25, stepLocal_1=1, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-25, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L53] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_9=25, stepLocal_0=1, stepLocal_1=1, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-25, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L54] COND FALSE !(var_1_8 < (var_1_7 / var_1_10)) VAL [isInitial=1, last_1_var_1_9=25, stepLocal_0=1, stepLocal_1=1, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-25, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((((last_1_var_1_9 % ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4)))) <= -1000000) ? (var_1_1 == ((unsigned char) (var_1_5 || var_1_6))) : 1) && (var_1_7 == ((float) var_1_8))) && ((var_1_8 < (var_1_7 / var_1_10)) ? ((var_1_1 || var_1_6) ? (var_1_9 == ((signed char) ((((((var_1_11) > (5)) ? (var_1_11) : (5))) + (var_1_12 - var_1_13)) - var_1_14))) : ((var_1_10 > var_1_8) ? (var_1_9 == ((signed char) var_1_11)) : (var_1_9 == ((signed char) var_1_12)))) : 1)) && ((var_1_13 <= var_1_11) ? (((var_1_8 < var_1_7) && (99999.375 <= var_1_10)) ? (var_1_15 == ((signed short int) (var_1_13 + var_1_14))) : 1) : (var_1_15 == ((signed short int) -25))) ; VAL [\result=0, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-25, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-25, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=9, var_1_15=-25, var_1_1=1, var_1_3=27, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.0s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 431 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 293 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 298 IncrementalHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 138 mSDtfsCounter, 298 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 23.9s InterpolantComputationTime, 774 NumberOfCodeBlocks, 774 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 512 ConstructedInterpolants, 0 QuantifiedInterpolants, 1955 SizeOfPredicates, 4 NumberOfNonLiveVariables, 584 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 3128/3360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 12:52:47,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d62049a8671dc4126607d95338b3f088a05730ad2ea95c2a5aaf3301f472a609 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:52:49,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:52:49,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 12:52:49,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:52:49,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:52:49,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:52:49,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:52:49,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:52:49,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:52:49,741 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:52:49,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:52:49,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:52:49,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:52:49,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:52:49,742 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:52:49,742 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:52:49,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:52:49,742 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:52:49,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:52:49,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:52:49,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:52:49,743 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:52:49,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:52:49,743 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:52:49,743 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:52:49,743 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:52:49,743 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:52:49,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:52:49,743 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:52:49,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:52:49,744 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:52:49,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:52:49,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:52:49,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:52:49,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:52:49,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:52:49,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:52:49,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:52:49,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:52:49,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:52:49,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:52:49,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:52:49,745 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:52:49,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:52:49,745 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:52:49,745 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:52:49,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:52:49,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:52:49,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:52:49,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:52:49,746 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_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62049a8671dc4126607d95338b3f088a05730ad2ea95c2a5aaf3301f472a609 [2024-12-02 12:52:50,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:52:50,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:52:50,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:52:50,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:52:50,020 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:52:50,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i [2024-12-02 12:52:52,755 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/data/b0f37a7a2/a012daeb856146139b0dc8c9472a1ada/FLAG67961ffdb [2024-12-02 12:52:52,960 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:52:52,960 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i [2024-12-02 12:52:52,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/data/b0f37a7a2/a012daeb856146139b0dc8c9472a1ada/FLAG67961ffdb [2024-12-02 12:52:52,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/data/b0f37a7a2/a012daeb856146139b0dc8c9472a1ada [2024-12-02 12:52:52,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:52:52,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:52:52,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:52:52,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:52:52,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:52:53,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:52:52" (1/1) ... [2024-12-02 12:52:53,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570ca123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53, skipping insertion in model container [2024-12-02 12:52:53,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:52:52" (1/1) ... [2024-12-02 12:52:53,022 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:52:53,177 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_65ff0db2-6a21-471b-979d-481e086a3c03/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i[917,930] [2024-12-02 12:52:53,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:52:53,242 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:52:53,255 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_65ff0db2-6a21-471b-979d-481e086a3c03/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i[917,930] [2024-12-02 12:52:53,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:52:53,299 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:52:53,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53 WrapperNode [2024-12-02 12:52:53,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:52:53,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:52:53,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:52:53,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:52:53,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,345 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-12-02 12:52:53,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:52:53,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:52:53,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:52:53,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:52:53,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,360 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,373 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 12:52:53,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,381 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:52:53,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:52:53,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:52:53,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:52:53,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (1/1) ... [2024-12-02 12:52:53,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:52:53,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:52:53,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:52:53,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:52:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:52:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:52:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:52:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:52:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:52:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:52:53,524 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:52:53,526 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:52:56,144 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 12:52:56,144 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:52:56,152 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:52:56,152 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:52:56,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:52:56 BoogieIcfgContainer [2024-12-02 12:52:56,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:52:56,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:52:56,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:52:56,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:52:56,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:52:52" (1/3) ... [2024-12-02 12:52:56,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fa1d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:52:56, skipping insertion in model container [2024-12-02 12:52:56,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:52:53" (2/3) ... [2024-12-02 12:52:56,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42fa1d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:52:56, skipping insertion in model container [2024-12-02 12:52:56,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:52:56" (3/3) ... [2024-12-02 12:52:56,160 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-16.i [2024-12-02 12:52:56,172 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:52:56,173 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-16.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:52:56,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:52:56,230 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;@1d14f359, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:52:56,230 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:52:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:52:56,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 12:52:56,242 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:56,242 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:52:56,243 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:52:56,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:56,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1698972838, now seen corresponding path program 1 times [2024-12-02 12:52:56,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:52:56,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228078530] [2024-12-02 12:52:56,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:56,255 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:52:56,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:52:56,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:52:56,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 12:52:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:56,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:52:56,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:52:56,690 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-12-02 12:52:56,690 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:52:56,690 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:52:56,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228078530] [2024-12-02 12:52:56,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228078530] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:52:56,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:52:56,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:52:56,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011151220] [2024-12-02 12:52:56,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:52:56,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:52:56,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:52:56,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:52:56,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:52:56,716 INFO L87 Difference]: Start difference. First operand has 58 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:52:56,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:52:56,739 INFO L93 Difference]: Finished difference Result 109 states and 189 transitions. [2024-12-02 12:52:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:52:56,741 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2024-12-02 12:52:56,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:52:56,748 INFO L225 Difference]: With dead ends: 109 [2024-12-02 12:52:56,748 INFO L226 Difference]: Without dead ends: 54 [2024-12-02 12:52:56,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:52:56,754 INFO L435 NwaCegarLoop]: 79 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, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:52:56,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:52:56,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-12-02 12:52:56,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-12-02 12:52:56,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:52:56,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2024-12-02 12:52:56,794 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 129 [2024-12-02 12:52:56,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:52:56,794 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2024-12-02 12:52:56,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:52:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-12-02 12:52:56,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 12:52:56,797 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:56,798 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:52:56,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 12:52:56,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:52:56,999 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:52:56,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:56,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1118093654, now seen corresponding path program 1 times [2024-12-02 12:52:57,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:52:57,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979488121] [2024-12-02 12:52:57,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:57,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 12:52:57,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:52:57,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 12:52:57,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ff0db2-6a21-471b-979d-481e086a3c03/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 12:52:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:57,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 12:52:57,346 INFO L279 TraceCheckSpWp]: Computing forward predicates...