./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.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_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/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_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/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_f7c822bb-45bc-4666-ada1-6aad012f66e8/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 6a6a77cb8a21263136db7618ce59196f56809d2291fe3be83996eb8e7b3abc4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:48:05,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:48:05,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:48:05,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:48:05,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:48:05,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:48:05,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:48:05,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:48:05,150 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:48:05,150 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:48:05,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:48:05,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:48:05,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:48:05,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:48:05,151 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:48:05,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:48:05,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:48:05,151 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:48:05,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:48:05,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:48:05,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:48:05,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:48:05,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:48:05,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:48:05,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:48:05,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:48:05,152 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:48:05,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:48:05,152 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:48:05,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:48:05,152 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:48:05,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:48:05,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:48:05,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:48:05,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:48:05,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:48:05,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:48:05,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:48:05,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:48:05,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:48:05,153 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:48:05,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:48:05,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:48:05,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:48:05,154 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:48:05,154 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:48:05,154 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:48:05,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:48:05,154 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_f7c822bb-45bc-4666-ada1-6aad012f66e8/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 -> 6a6a77cb8a21263136db7618ce59196f56809d2291fe3be83996eb8e7b3abc4a [2024-12-02 10:48:05,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:48:05,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:48:05,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:48:05,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:48:05,398 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:48:05,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i [2024-12-02 10:48:08,106 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/data/c0b03990f/1eec2e154e1549539d4890f47c04f282/FLAG7ca6aedc9 [2024-12-02 10:48:08,310 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:48:08,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i [2024-12-02 10:48:08,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/data/c0b03990f/1eec2e154e1549539d4890f47c04f282/FLAG7ca6aedc9 [2024-12-02 10:48:08,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/data/c0b03990f/1eec2e154e1549539d4890f47c04f282 [2024-12-02 10:48:08,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:48:08,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:48:08,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:48:08,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:48:08,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:48:08,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5cc44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08, skipping insertion in model container [2024-12-02 10:48:08,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,672 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:48:08,774 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_f7c822bb-45bc-4666-ada1-6aad012f66e8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i[916,929] [2024-12-02 10:48:08,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:48:08,819 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:48:08,827 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_f7c822bb-45bc-4666-ada1-6aad012f66e8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i[916,929] [2024-12-02 10:48:08,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:48:08,857 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:48:08,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08 WrapperNode [2024-12-02 10:48:08,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:48:08,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:48:08,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:48:08,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:48:08,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,893 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-12-02 10:48:08,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:48:08,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:48:08,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:48:08,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:48:08,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,905 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,917 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 10:48:08,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,923 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:48:08,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:48:08,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:48:08,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:48:08,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (1/1) ... [2024-12-02 10:48:08,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:48:08,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:48:08,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:48:08,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:48:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:48:08,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:48:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:48:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:48:08,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:48:08,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:48:09,033 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:48:09,034 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:48:09,248 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 10:48:09,248 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:48:09,258 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:48:09,258 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:48:09,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:48:09 BoogieIcfgContainer [2024-12-02 10:48:09,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:48:09,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:48:09,260 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:48:09,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:48:09,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:48:08" (1/3) ... [2024-12-02 10:48:09,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15628b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:48:09, skipping insertion in model container [2024-12-02 10:48:09,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:08" (2/3) ... [2024-12-02 10:48:09,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15628b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:48:09, skipping insertion in model container [2024-12-02 10:48:09,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:48:09" (3/3) ... [2024-12-02 10:48:09,267 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-1.i [2024-12-02 10:48:09,282 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:48:09,283 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-1.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:48:09,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:48:09,333 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;@871afd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:48:09,333 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:48:09,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 10:48:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 10:48:09,345 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:48:09,345 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:48:09,346 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:48:09,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:48:09,350 INFO L85 PathProgramCache]: Analyzing trace with hash -357054987, now seen corresponding path program 1 times [2024-12-02 10:48:09,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:48:09,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383807254] [2024-12-02 10:48:09,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:48:09,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:48:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:48:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 10:48:09,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:48:09,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383807254] [2024-12-02 10:48:09,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383807254] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:48:09,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681366827] [2024-12-02 10:48:09,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:48:09,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:48:09,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:48:09,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:48:09,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:48:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:48:09,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:48:09,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:48:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 10:48:09,682 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:48:09,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681366827] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:48:09,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:48:09,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 10:48:09,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925814768] [2024-12-02 10:48:09,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:48:09,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:48:09,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:48:09,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:48:09,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:48:09,720 INFO L87 Difference]: Start difference. First operand has 58 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 42 states have internal predecessors, (55), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 10:48:09,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:48:09,742 INFO L93 Difference]: Finished difference Result 109 states and 174 transitions. [2024-12-02 10:48:09,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:48:09,744 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 97 [2024-12-02 10:48:09,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:48:09,750 INFO L225 Difference]: With dead ends: 109 [2024-12-02 10:48:09,750 INFO L226 Difference]: Without dead ends: 54 [2024-12-02 10:48:09,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 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 10:48:09,756 INFO L435 NwaCegarLoop]: 76 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, 76 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 10:48:09,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:48:09,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-12-02 10:48:09,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-12-02 10:48:09,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 10:48:09,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 76 transitions. [2024-12-02 10:48:09,789 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 76 transitions. Word has length 97 [2024-12-02 10:48:09,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:48:09,790 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 76 transitions. [2024-12-02 10:48:09,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 10:48:09,790 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2024-12-02 10:48:09,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 10:48:09,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:48:09,792 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:48:09,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:48:09,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:48:09,993 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:48:09,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:48:09,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1946841517, now seen corresponding path program 1 times [2024-12-02 10:48:09,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:48:09,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088752221] [2024-12-02 10:48:09,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:48:09,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:48:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:48:10,070 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:48:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:48:10,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:48:10,154 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:48:10,155 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:48:10,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:48:10,159 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 10:48:10,207 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:48:10,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:48:10 BoogieIcfgContainer [2024-12-02 10:48:10,210 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:48:10,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:48:10,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:48:10,211 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:48:10,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:48:09" (3/4) ... [2024-12-02 10:48:10,214 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:48:10,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:48:10,215 INFO L158 Benchmark]: Toolchain (without parser) took 1560.83ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 90.5MB in the end (delta: 26.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-12-02 10:48:10,216 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 80.6MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:48:10,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.88ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 104.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:48:10,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.23ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:48:10,217 INFO L158 Benchmark]: Boogie Preprocessor took 37.04ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:48:10,217 INFO L158 Benchmark]: RCFGBuilder took 326.97ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 83.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:48:10,217 INFO L158 Benchmark]: TraceAbstraction took 950.10ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 90.5MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:48:10,217 INFO L158 Benchmark]: Witness Printer took 3.69ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 90.5MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:48:10,219 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 80.6MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.88ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 104.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.23ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.04ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 326.97ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 83.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 950.10ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 90.5MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.69ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 90.5MB in the end (delta: 15.8kB). 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 73, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 39, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someUnaryFLOAToperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 5.5; [L23] float var_1_2 = 10.375; [L24] float var_1_3 = 127.5; [L25] float var_1_4 = 256.2; [L26] unsigned char var_1_5 = 1; [L27] signed long int var_1_6 = 5; [L28] unsigned char var_1_7 = 1; [L29] signed long int var_1_10 = 32; [L30] signed long int var_1_11 = 2; [L31] unsigned long int var_1_12 = 16; [L32] unsigned char var_1_13 = 50; [L33] signed long int var_1_15 = 100000000; [L34] signed short int var_1_16 = 2; [L35] unsigned long int last_1_var_1_12 = 16; VAL [isInitial=0, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_2=83/8, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L101] isInitial = 1 [L102] FCALL initially() [L104] CALL updateLastVariables() [L94] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_2=83/8, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L70] var_1_2 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L71] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L72] var_1_3 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L73] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L74] var_1_4 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L75] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L76] var_1_5 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_6=5, var_1_7=1] [L77] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_6=5, var_1_7=1] [L78] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L78] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L79] var_1_7 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5] [L80] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5] [L81] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L81] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L84] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L84] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L85] var_1_11 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L87] CALL assume_abort_if_not(var_1_11 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L87] RET assume_abort_if_not(var_1_11 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L88] var_1_13 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L90] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L90] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L91] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L91] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=-256] [L105] RET updateVariables() [L106] CALL step() [L39] COND TRUE var_1_2 <= (- var_1_3) [L40] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=5, var_1_7=-256] [L48] var_1_16 = var_1_13 [L49] unsigned char stepLocal_0 = var_1_7; VAL [isInitial=1, last_1_var_1_12=16, stepLocal_0=-256, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=5, var_1_7=-256] [L50] COND TRUE var_1_5 || stepLocal_0 [L51] var_1_6 = ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L55] signed long int stepLocal_3 = var_1_11; [L56] signed long int stepLocal_2 = var_1_16 + var_1_11; VAL [isInitial=1, last_1_var_1_12=16, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L57] EXPR var_1_11 << var_1_16 VAL [isInitial=1, last_1_var_1_12=16, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L57] signed long int stepLocal_1 = var_1_11 << var_1_16; [L58] COND FALSE !(stepLocal_1 != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) VAL [isInitial=1, last_1_var_1_12=16, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L67] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_12=16, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR (((var_1_2 <= (- var_1_3)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5 ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((var_1_5 || var_1_7) ? (var_1_6 == ((signed long int) ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))))) : (var_1_6 == ((signed long int) ((var_1_10 + var_1_11) - 4))))) && (((var_1_11 << var_1_16) != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) ? (((var_1_16 % var_1_13) >= var_1_11) ? (((var_1_16 + var_1_11) > (last_1_var_1_12 * var_1_16)) ? (var_1_12 == ((unsigned long int) var_1_13)) : (var_1_12 == ((unsigned long int) var_1_10))) : 1) : 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L97-L98] return (((((var_1_2 <= (- var_1_3)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5 ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((var_1_5 || var_1_7) ? (var_1_6 == ((signed long int) ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))))) : (var_1_6 == ((signed long int) ((var_1_10 + var_1_11) - 4))))) && (((var_1_11 << var_1_16) != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) ? (((var_1_16 % var_1_13) >= var_1_11) ? (((var_1_16 + var_1_11) > (last_1_var_1_12 * var_1_16)) ? (var_1_12 == ((unsigned long int) var_1_13)) : (var_1_12 == ((unsigned long int) var_1_10))) : 1) : 1)) && (var_1_15 == ((signed long int) var_1_16))) && (var_1_16 == ((signed short int) var_1_13)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 76 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 231 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 702/728 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 10:48:10,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/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_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/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_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/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_f7c822bb-45bc-4666-ada1-6aad012f66e8/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 6a6a77cb8a21263136db7618ce59196f56809d2291fe3be83996eb8e7b3abc4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:48:12,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:48:12,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:48:12,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:48:12,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:48:12,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:48:12,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:48:12,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:48:12,264 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:48:12,264 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:48:12,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:48:12,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:48:12,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:48:12,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:48:12,265 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:48:12,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:48:12,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:48:12,265 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:48:12,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:48:12,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:48:12,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:48:12,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:48:12,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:48:12,266 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:48:12,266 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:48:12,266 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:48:12,266 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:48:12,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:48:12,266 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:48:12,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:48:12,267 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:48:12,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:48:12,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:48:12,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:48:12,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:48:12,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:48:12,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:48:12,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:48:12,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:48:12,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:48:12,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:48:12,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:48:12,268 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:48:12,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:48:12,268 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:48:12,268 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:48:12,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:48:12,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:48:12,269 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:48:12,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:48:12,269 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_f7c822bb-45bc-4666-ada1-6aad012f66e8/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 -> 6a6a77cb8a21263136db7618ce59196f56809d2291fe3be83996eb8e7b3abc4a [2024-12-02 10:48:12,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:48:12,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:48:12,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:48:12,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:48:12,499 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:48:12,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i [2024-12-02 10:48:15,157 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/data/1cf1ac23c/3e7bcd7c819c4830b263fa2ebddef723/FLAGb4c89fb3c [2024-12-02 10:48:15,327 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:48:15,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i [2024-12-02 10:48:15,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/data/1cf1ac23c/3e7bcd7c819c4830b263fa2ebddef723/FLAGb4c89fb3c [2024-12-02 10:48:15,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/data/1cf1ac23c/3e7bcd7c819c4830b263fa2ebddef723 [2024-12-02 10:48:15,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:48:15,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:48:15,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:48:15,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:48:15,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:48:15,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35189400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15, skipping insertion in model container [2024-12-02 10:48:15,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:48:15,836 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_f7c822bb-45bc-4666-ada1-6aad012f66e8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i[916,929] [2024-12-02 10:48:15,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:48:15,882 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:48:15,889 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_f7c822bb-45bc-4666-ada1-6aad012f66e8/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-1.i[916,929] [2024-12-02 10:48:15,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:48:15,921 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:48:15,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15 WrapperNode [2024-12-02 10:48:15,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:48:15,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:48:15,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:48:15,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:48:15,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,952 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2024-12-02 10:48:15,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:48:15,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:48:15,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:48:15,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:48:15,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,962 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,970 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 10:48:15,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,978 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:48:15,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:48:15,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:48:15,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:48:15,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (1/1) ... [2024-12-02 10:48:15,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:48:16,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:48:16,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:48:16,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:48:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:48:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:48:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:48:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:48:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:48:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:48:16,095 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:48:16,096 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:48:16,348 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-02 10:48:16,348 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:48:16,357 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:48:16,357 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:48:16,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:48:16 BoogieIcfgContainer [2024-12-02 10:48:16,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:48:16,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:48:16,360 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:48:16,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:48:16,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:48:15" (1/3) ... [2024-12-02 10:48:16,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e08d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:48:16, skipping insertion in model container [2024-12-02 10:48:16,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:15" (2/3) ... [2024-12-02 10:48:16,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e08d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:48:16, skipping insertion in model container [2024-12-02 10:48:16,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:48:16" (3/3) ... [2024-12-02 10:48:16,366 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-1.i [2024-12-02 10:48:16,377 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:48:16,378 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-1.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:48:16,416 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:48:16,425 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;@292ecb67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:48:16,425 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:48:16,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 10:48:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 10:48:16,434 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:48:16,435 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:48:16,435 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:48:16,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:48:16,439 INFO L85 PathProgramCache]: Analyzing trace with hash 597970591, now seen corresponding path program 1 times [2024-12-02 10:48:16,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:48:16,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895514293] [2024-12-02 10:48:16,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:48:16,447 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 10:48:16,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:48:16,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/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 10:48:16,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/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 10:48:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:48:16,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:48:16,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:48:16,667 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 10:48:16,668 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:48:16,668 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:48:16,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895514293] [2024-12-02 10:48:16,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895514293] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:48:16,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:48:16,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:48:16,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194048120] [2024-12-02 10:48:16,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:48:16,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:48:16,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:48:16,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:48:16,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:48:16,687 INFO L87 Difference]: Start difference. First operand has 50 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 10:48:16,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:48:16,703 INFO L93 Difference]: Finished difference Result 93 states and 152 transitions. [2024-12-02 10:48:16,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:48:16,704 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 93 [2024-12-02 10:48:16,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:48:16,708 INFO L225 Difference]: With dead ends: 93 [2024-12-02 10:48:16,708 INFO L226 Difference]: Without dead ends: 46 [2024-12-02 10:48:16,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 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 10:48:16,712 INFO L435 NwaCegarLoop]: 65 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, 65 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 10:48:16,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:48:16,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-12-02 10:48:16,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-12-02 10:48:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 10:48:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2024-12-02 10:48:16,744 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 93 [2024-12-02 10:48:16,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:48:16,744 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2024-12-02 10:48:16,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 10:48:16,745 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-12-02 10:48:16,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-02 10:48:16,748 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:48:16,748 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:48:16,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/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 10:48:16,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/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 10:48:16,949 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:48:16,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:48:16,949 INFO L85 PathProgramCache]: Analyzing trace with hash 416388695, now seen corresponding path program 1 times [2024-12-02 10:48:16,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:48:16,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2060824041] [2024-12-02 10:48:16,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:48:16,950 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 10:48:16,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:48:16,952 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/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 10:48:16,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c822bb-45bc-4666-ada1-6aad012f66e8/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 10:48:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:48:17,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 10:48:17,129 INFO L279 TraceCheckSpWp]: Computing forward predicates...