./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.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_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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_3518b304-438c-4abc-8fe1-745bec307fa3/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 09f9b90ef6a2b1ab3909a18c4c3a547168931d170a359c3773d165496438e210 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:54:47,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:54:47,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:54:47,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:54:47,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:54:47,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:54:47,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:54:47,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:54:47,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:54:47,980 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:54:47,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:54:47,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:54:47,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:54:47,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:54:47,980 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:54:47,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:54:47,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:54:47,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:54:47,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:54:47,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:54:47,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:54:47,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:54:47,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:54:47,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:54:47,981 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:54:47,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:54:47,981 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:54:47,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:54:47,981 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:54:47,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:54:47,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:54:47,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:54:47,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:54:47,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:54:47,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:54:47,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:54:47,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:54:47,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:54:47,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:54:47,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:54:47,982 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:54:47,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:54:47,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:54:47,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:54:47,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:54:47,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:54:47,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:54:47,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:54:47,983 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_3518b304-438c-4abc-8fe1-745bec307fa3/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 -> 09f9b90ef6a2b1ab3909a18c4c3a547168931d170a359c3773d165496438e210 [2024-12-02 14:54:48,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:54:48,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:54:48,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:54:48,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:54:48,241 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:54:48,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i [2024-12-02 14:54:50,876 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/data/78026ab52/48e1124919464dbfaa8f23da43b473e7/FLAGb47d208da [2024-12-02 14:54:51,117 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:54:51,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i [2024-12-02 14:54:51,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/data/78026ab52/48e1124919464dbfaa8f23da43b473e7/FLAGb47d208da [2024-12-02 14:54:51,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/data/78026ab52/48e1124919464dbfaa8f23da43b473e7 [2024-12-02 14:54:51,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:54:51,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:54:51,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:54:51,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:54:51,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:54:51,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ae0463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51, skipping insertion in model container [2024-12-02 14:54:51,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:54:51,602 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_3518b304-438c-4abc-8fe1-745bec307fa3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i[913,926] [2024-12-02 14:54:51,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:54:51,648 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:54:51,656 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_3518b304-438c-4abc-8fe1-745bec307fa3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i[913,926] [2024-12-02 14:54:51,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:54:51,685 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:54:51,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51 WrapperNode [2024-12-02 14:54:51,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:54:51,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:54:51,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:54:51,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:54:51,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,725 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-12-02 14:54:51,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:54:51,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:54:51,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:54:51,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:54:51,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,735 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,746 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 14:54:51,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,752 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:54:51,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:54:51,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:54:51,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:54:51,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (1/1) ... [2024-12-02 14:54:51,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:54:51,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:54:51,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:54:51,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:54:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:54:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:54:51,826 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:54:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:54:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:54:51,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:54:51,894 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:54:51,896 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:54:52,090 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 14:54:52,090 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:54:52,099 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:54:52,100 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:54:52,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:52 BoogieIcfgContainer [2024-12-02 14:54:52,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:54:52,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:54:52,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:54:52,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:54:52,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:54:51" (1/3) ... [2024-12-02 14:54:52,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76aee62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:54:52, skipping insertion in model container [2024-12-02 14:54:52,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:51" (2/3) ... [2024-12-02 14:54:52,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76aee62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:54:52, skipping insertion in model container [2024-12-02 14:54:52,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:52" (3/3) ... [2024-12-02 14:54:52,109 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-42.i [2024-12-02 14:54:52,121 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:54:52,122 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-42.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:54:52,166 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:54:52,177 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;@6bb6eb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:54:52,177 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:54:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:54:52,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 14:54:52,188 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:52,188 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:54:52,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:54:52,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:52,193 INFO L85 PathProgramCache]: Analyzing trace with hash -827587499, now seen corresponding path program 1 times [2024-12-02 14:54:52,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:52,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750668656] [2024-12-02 14:54:52,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:52,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 14:54:52,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:52,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750668656] [2024-12-02 14:54:52,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750668656] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:54:52,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853321141] [2024-12-02 14:54:52,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:52,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:54:52,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:54:52,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:54:52,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:54:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:52,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:54:52,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:54:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 14:54:52,522 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:54:52,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853321141] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:52,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:54:52,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:54:52,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725368609] [2024-12-02 14:54:52,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:52,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:54:52,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:52,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:54:52,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:54:52,544 INFO L87 Difference]: Start difference. First operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 14:54:52,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:52,561 INFO L93 Difference]: Finished difference Result 75 states and 123 transitions. [2024-12-02 14:54:52,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:54:52,563 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2024-12-02 14:54:52,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:52,567 INFO L225 Difference]: With dead ends: 75 [2024-12-02 14:54:52,568 INFO L226 Difference]: Without dead ends: 37 [2024-12-02 14:54:52,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 75 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 14:54:52,572 INFO L435 NwaCegarLoop]: 50 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, 50 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 14:54:52,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:54:52,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-12-02 14:54:52,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-12-02 14:54:52,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:54:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-12-02 14:54:52,602 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 74 [2024-12-02 14:54:52,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:52,602 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-12-02 14:54:52,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 14:54:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-12-02 14:54:52,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 14:54:52,605 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:52,605 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:54:52,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:54:52,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:54:52,806 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:54:52,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:52,807 INFO L85 PathProgramCache]: Analyzing trace with hash -865244527, now seen corresponding path program 1 times [2024-12-02 14:54:52,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:52,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326517285] [2024-12-02 14:54:52,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:52,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:54:52,913 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:54:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:54:53,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:54:53,000 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:54:53,001 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:54:53,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:54:53,006 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 14:54:53,048 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:54:53,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:54:53 BoogieIcfgContainer [2024-12-02 14:54:53,052 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:54:53,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:54:53,053 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:54:53,053 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:54:53,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:52" (3/4) ... [2024-12-02 14:54:53,056 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:54:53,057 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:54:53,058 INFO L158 Benchmark]: Toolchain (without parser) took 1586.00ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 63.7MB in the end (delta: 29.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-12-02 14:54:53,058 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:54:53,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.65ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 80.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:54:53,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.83ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:54:53,059 INFO L158 Benchmark]: Boogie Preprocessor took 35.78ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 75.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:54:53,059 INFO L158 Benchmark]: RCFGBuilder took 337.76ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 60.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:54:53,059 INFO L158 Benchmark]: TraceAbstraction took 949.38ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 63.7MB in the end (delta: -3.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-12-02 14:54:53,059 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 63.7MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:54:53,061 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.65ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 80.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.83ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.78ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 75.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 337.76ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 60.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 949.38ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 63.7MB in the end (delta: -3.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 63.7MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 37. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -1; [L23] unsigned char var_1_8 = 5; [L24] unsigned char var_1_9 = 4; [L25] float var_1_10 = 16.5; [L26] float var_1_11 = 127.25; [L27] unsigned char var_1_12 = 1; [L28] unsigned char var_1_13 = 0; [L29] unsigned char var_1_15 = 0; [L30] unsigned char var_1_16 = 0; [L31] unsigned char var_1_17 = 0; [L32] unsigned char var_1_18 = 0; VAL [isInitial=0, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=4] [L86] isInitial = 1 [L87] FCALL initially() [L89] FCALL updateLastVariables() [L90] CALL updateVariables() [L61] var_1_9 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L62] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L63] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L63] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L64] var_1_11 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L65] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L66] var_1_13 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L67] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L68] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L68] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L69] var_1_15 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L70] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L71] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L71] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L72] var_1_16 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L73] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L74] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L74] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L75] var_1_18 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L76] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L77] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L77] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L90] RET updateVariables() [L91] CALL step() [L36] var_1_8 = (var_1_9 + 100) [L37] var_1_10 = ((((var_1_11) < (64.15f)) ? (var_1_11) : (64.15f))) VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=227, var_1_9=127] [L38] COND FALSE !(var_1_8 > var_1_8) [L41] var_1_1 = (((((var_1_8 - var_1_8)) > ((var_1_8 - var_1_8))) ? ((var_1_8 - var_1_8)) : ((var_1_8 - var_1_8)))) VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L43] COND FALSE !(var_1_11 <= var_1_10) VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L48] COND TRUE var_1_8 <= 1000000 [L49] var_1_17 = 0 VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L54] COND TRUE (- var_1_10) > var_1_11 [L55] var_1_12 = (var_1_13 || (var_1_17 && (var_1_15 || var_1_16))) VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L91] RET step() [L92] CALL, EXPR property() [L82-L83] return (((((var_1_8 > var_1_8) ? (var_1_1 == ((signed long int) (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) - 10))) : (var_1_1 == ((signed long int) (((((var_1_8 - var_1_8)) > ((var_1_8 - var_1_8))) ? ((var_1_8 - var_1_8)) : ((var_1_8 - var_1_8))))))) && (var_1_8 == ((unsigned char) (var_1_9 + 100)))) && (var_1_10 == ((float) ((((var_1_11) < (64.15f)) ? (var_1_11) : (64.15f)))))) && (((- var_1_10) > var_1_11) ? (var_1_12 == ((unsigned char) (var_1_13 || (var_1_17 && (var_1_15 || var_1_16))))) : (var_1_12 == ((unsigned char) ((var_1_1 <= var_1_9) && var_1_16))))) && ((var_1_11 <= var_1_10) ? ((var_1_1 != var_1_8) ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : ((var_1_8 <= 1000000) ? (var_1_17 == ((unsigned char) 0)) : (var_1_17 == ((unsigned char) 0)))) ; VAL [\result=0, isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L19] reach_error() VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 50 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, 50 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 178 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 420/440 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 14:54:53,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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_3518b304-438c-4abc-8fe1-745bec307fa3/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 09f9b90ef6a2b1ab3909a18c4c3a547168931d170a359c3773d165496438e210 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:54:55,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:54:55,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:54:55,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:54:55,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:54:55,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:54:55,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:54:55,283 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:54:55,283 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:54:55,283 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:54:55,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:54:55,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:54:55,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:54:55,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:54:55,284 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:54:55,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:54:55,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:54:55,284 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:54:55,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:54:55,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:54:55,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:54:55,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:54:55,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:54:55,285 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:54:55,285 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:54:55,285 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:54:55,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:54:55,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:54:55,285 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:54:55,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:54:55,285 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:54:55,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:54:55,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:54:55,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:54:55,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:54:55,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:54:55,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:54:55,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:54:55,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:54:55,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:54:55,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:54:55,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:54:55,287 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:54:55,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:54:55,287 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:54:55,287 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:54:55,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:54:55,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:54:55,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:54:55,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:54:55,287 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_3518b304-438c-4abc-8fe1-745bec307fa3/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 -> 09f9b90ef6a2b1ab3909a18c4c3a547168931d170a359c3773d165496438e210 [2024-12-02 14:54:55,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:54:55,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:54:55,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:54:55,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:54:55,574 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:54:55,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i [2024-12-02 14:54:58,313 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/data/7b8f980f6/a3aff17546b14100a7254b0d4ad98e4d/FLAG1f64dd054 [2024-12-02 14:54:58,497 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:54:58,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i [2024-12-02 14:54:58,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/data/7b8f980f6/a3aff17546b14100a7254b0d4ad98e4d/FLAG1f64dd054 [2024-12-02 14:54:58,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/data/7b8f980f6/a3aff17546b14100a7254b0d4ad98e4d [2024-12-02 14:54:58,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:54:58,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:54:58,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:54:58,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:54:58,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:54:58,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fed5992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58, skipping insertion in model container [2024-12-02 14:54:58,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:54:58,692 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_3518b304-438c-4abc-8fe1-745bec307fa3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i[913,926] [2024-12-02 14:54:58,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:54:58,752 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:54:58,764 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_3518b304-438c-4abc-8fe1-745bec307fa3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i[913,926] [2024-12-02 14:54:58,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:54:58,804 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:54:58,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58 WrapperNode [2024-12-02 14:54:58,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:54:58,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:54:58,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:54:58,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:54:58,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,845 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-12-02 14:54:58,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:54:58,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:54:58,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:54:58,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:54:58,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,857 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,867 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 14:54:58,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,875 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,876 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:54:58,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:54:58,886 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:54:58,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:54:58,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (1/1) ... [2024-12-02 14:54:58,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:54:58,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:54:58,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:54:58,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:54:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:54:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:54:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:54:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:54:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:54:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:54:59,006 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:54:59,008 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:54:59,201 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 14:54:59,201 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:54:59,210 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:54:59,211 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:54:59,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:59 BoogieIcfgContainer [2024-12-02 14:54:59,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:54:59,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:54:59,213 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:54:59,226 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:54:59,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:54:58" (1/3) ... [2024-12-02 14:54:59,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739c8320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:54:59, skipping insertion in model container [2024-12-02 14:54:59,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:58" (2/3) ... [2024-12-02 14:54:59,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739c8320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:54:59, skipping insertion in model container [2024-12-02 14:54:59,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:59" (3/3) ... [2024-12-02 14:54:59,229 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-42.i [2024-12-02 14:54:59,246 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:54:59,248 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-42.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:54:59,298 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:54:59,310 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;@1847d110, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:54:59,310 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:54:59,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:54:59,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 14:54:59,323 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:59,323 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:54:59,324 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:54:59,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:59,329 INFO L85 PathProgramCache]: Analyzing trace with hash -827587499, now seen corresponding path program 1 times [2024-12-02 14:54:59,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:54:59,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580867724] [2024-12-02 14:54:59,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:59,342 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 14:54:59,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:54:59,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 14:54:59,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 14:54:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:59,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:54:59,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:54:59,500 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-12-02 14:54:59,501 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:54:59,501 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:54:59,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580867724] [2024-12-02 14:54:59,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580867724] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:59,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:59,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:54:59,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825628519] [2024-12-02 14:54:59,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:59,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:54:59,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:54:59,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:54:59,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:54:59,525 INFO L87 Difference]: Start difference. First operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 14:54:59,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:59,545 INFO L93 Difference]: Finished difference Result 75 states and 123 transitions. [2024-12-02 14:54:59,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:54:59,547 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2024-12-02 14:54:59,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:59,552 INFO L225 Difference]: With dead ends: 75 [2024-12-02 14:54:59,552 INFO L226 Difference]: Without dead ends: 37 [2024-12-02 14:54:59,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 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 14:54:59,557 INFO L435 NwaCegarLoop]: 50 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, 50 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 14:54:59,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:54:59,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-12-02 14:54:59,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-12-02 14:54:59,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:54:59,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-12-02 14:54:59,590 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 74 [2024-12-02 14:54:59,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:59,591 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-12-02 14:54:59,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 14:54:59,591 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-12-02 14:54:59,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 14:54:59,593 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:59,593 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:54:59,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 14:54:59,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 14:54:59,794 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:54:59,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:59,795 INFO L85 PathProgramCache]: Analyzing trace with hash -865244527, now seen corresponding path program 1 times [2024-12-02 14:54:59,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:54:59,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615346523] [2024-12-02 14:54:59,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:59,796 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 14:54:59,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:54:59,798 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 14:54:59,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 14:54:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:59,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 14:54:59,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:55:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 159 proven. 27 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-02 14:55:00,917 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:55:31,960 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 14:55:31,960 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:55:31,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [615346523] [2024-12-02 14:55:31,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [615346523] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:55:31,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:55:31,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2024-12-02 14:55:31,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646455560] [2024-12-02 14:55:31,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:55:31,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:55:31,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:55:31,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:55:31,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-12-02 14:55:31,963 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 14:55:33,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:55:33,976 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2024-12-02 14:55:33,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:55:33,977 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-12-02 14:55:33,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:55:33,977 INFO L225 Difference]: With dead ends: 58 [2024-12-02 14:55:33,978 INFO L226 Difference]: Without dead ends: 56 [2024-12-02 14:55:33,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 127 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:55:33,978 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 39 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:55:33,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 183 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:55:33,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-02 14:55:33,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2024-12-02 14:55:33,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:55:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2024-12-02 14:55:33,985 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 74 [2024-12-02 14:55:33,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:55:33,985 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2024-12-02 14:55:33,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 14:55:33,986 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2024-12-02 14:55:33,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 14:55:33,987 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:55:33,987 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:55:33,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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)] Ended with exit code 0 [2024-12-02 14:55:34,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 14:55:34,187 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:55:34,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:55:34,188 INFO L85 PathProgramCache]: Analyzing trace with hash -863397485, now seen corresponding path program 1 times [2024-12-02 14:55:34,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:55:34,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354521204] [2024-12-02 14:55:34,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:55:34,189 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 14:55:34,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:55:34,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 14:55:34,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 (4)] Waiting until timeout for monitored process [2024-12-02 14:55:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:55:34,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 14:55:34,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:55:56,691 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-12-02 14:55:56,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:56:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 14:56:17,655 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:56:17,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354521204] [2024-12-02 14:56:17,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [354521204] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:56:17,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:56:17,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 20 [2024-12-02 14:56:17,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177485870] [2024-12-02 14:56:17,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:56:17,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:56:17,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:56:17,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:56:17,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-12-02 14:56:17,657 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 14:56:19,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:56:19,229 INFO L93 Difference]: Finished difference Result 63 states and 76 transitions. [2024-12-02 14:56:19,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:56:19,230 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-12-02 14:56:19,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:56:19,232 INFO L225 Difference]: With dead ends: 63 [2024-12-02 14:56:19,232 INFO L226 Difference]: Without dead ends: 61 [2024-12-02 14:56:19,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2024-12-02 14:56:19,233 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 61 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:56:19,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 199 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:56:19,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-12-02 14:56:19,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 45. [2024-12-02 14:56:19,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:56:19,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2024-12-02 14:56:19,242 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 74 [2024-12-02 14:56:19,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:56:19,243 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2024-12-02 14:56:19,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 14:56:19,243 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2024-12-02 14:56:19,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 14:56:19,244 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:56:19,245 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:56:19,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 (4)] Ended with exit code 0 [2024-12-02 14:56:19,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 14:56:19,445 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:56:19,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:56:19,446 INFO L85 PathProgramCache]: Analyzing trace with hash 395627409, now seen corresponding path program 1 times [2024-12-02 14:56:19,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:56:19,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723510331] [2024-12-02 14:56:19,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:56:19,447 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 14:56:19,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:56:19,448 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 14:56:19,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 (5)] Waiting until timeout for monitored process [2024-12-02 14:56:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:56:19,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 14:56:19,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:56:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 159 proven. 27 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-02 14:56:34,259 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:57:02,494 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-12-02 14:57:02,494 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:57:02,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723510331] [2024-12-02 14:57:02,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1723510331] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:57:02,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:57:02,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2024-12-02 14:57:02,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336370211] [2024-12-02 14:57:02,495 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:57:02,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-02 14:57:02,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:57:02,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-02 14:57:02,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=786, Unknown=0, NotChecked=0, Total=992 [2024-12-02 14:57:02,497 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 32 states, 32 states have (on average 1.8125) internal successors, (58), 32 states have internal predecessors, (58), 5 states have call successors, (17), 4 states have call predecessors, (17), 10 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-12-02 14:57:05,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:57:05,103 INFO L93 Difference]: Finished difference Result 85 states and 97 transitions. [2024-12-02 14:57:05,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-02 14:57:05,104 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.8125) internal successors, (58), 32 states have internal predecessors, (58), 5 states have call successors, (17), 4 states have call predecessors, (17), 10 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 74 [2024-12-02 14:57:05,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:57:05,105 INFO L225 Difference]: With dead ends: 85 [2024-12-02 14:57:05,105 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:57:05,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=617, Invalid=1933, Unknown=0, NotChecked=0, Total=2550 [2024-12-02 14:57:05,107 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 129 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:57:05,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 234 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 14:57:05,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:57:05,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:57:05,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:57:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:57:05,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-12-02 14:57:05,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:57:05,108 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:57:05,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.8125) internal successors, (58), 32 states have internal predecessors, (58), 5 states have call successors, (17), 4 states have call predecessors, (17), 10 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-12-02 14:57:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:57:05,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:57:05,110 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:57:05,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 (5)] Ended with exit code 0 [2024-12-02 14:57:05,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 14:57:05,313 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 14:57:05,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:57:06,070 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:57:06,077 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-12-02 14:57:06,078 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 14:57:06,079 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 14:57:06,079 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 14:57:06,079 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.leq~32 [2024-12-02 14:57:06,079 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.leq~32 [2024-12-02 14:57:06,079 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-12-02 14:57:06,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:57:06 BoogieIcfgContainer [2024-12-02 14:57:06,081 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:57:06,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:57:06,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:57:06,081 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:57:06,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:59" (3/4) ... [2024-12-02 14:57:06,083 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:57:06,086 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 14:57:06,089 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-02 14:57:06,089 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 14:57:06,089 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 14:57:06,089 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:57:06,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:57:06,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:57:06,156 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:57:06,157 INFO L158 Benchmark]: Toolchain (without parser) took 127632.17ms. Allocated memory was 92.3MB in the beginning and 1.1GB in the end (delta: 964.7MB). Free memory was 69.9MB in the beginning and 748.1MB in the end (delta: -678.2MB). Peak memory consumption was 280.8MB. Max. memory is 16.1GB. [2024-12-02 14:57:06,157 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:57:06,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.50ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 56.7MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:57:06,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.87ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:57:06,158 INFO L158 Benchmark]: Boogie Preprocessor took 39.75ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:57:06,158 INFO L158 Benchmark]: RCFGBuilder took 325.30ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 39.6MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:57:06,159 INFO L158 Benchmark]: TraceAbstraction took 126867.41ms. Allocated memory was 92.3MB in the beginning and 1.1GB in the end (delta: 964.7MB). Free memory was 39.0MB in the beginning and 752.1MB in the end (delta: -713.2MB). Peak memory consumption was 255.6MB. Max. memory is 16.1GB. [2024-12-02 14:57:06,159 INFO L158 Benchmark]: Witness Printer took 75.19ms. Allocated memory is still 1.1GB. Free memory was 752.1MB in the beginning and 748.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:57:06,160 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.50ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 56.7MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.87ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.75ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 325.30ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 39.6MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 126867.41ms. Allocated memory was 92.3MB in the beginning and 1.1GB in the end (delta: 964.7MB). Free memory was 39.0MB in the beginning and 752.1MB in the end (delta: -713.2MB). Peak memory consumption was 255.6MB. Max. memory is 16.1GB. * Witness Printer took 75.19ms. Allocated memory is still 1.1GB. Free memory was 752.1MB in the beginning and 748.1MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.leq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.leq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~32 * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 126.0s, OverallIterations: 4, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 232 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 666 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 495 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 658 IncrementalHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 171 mSDtfsCounter, 658 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 538 GetRequests, 445 SyntacticMatches, 3 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=2, InterpolantAutomatonStates: 50, 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, 4 MinimizatonAttempts, 27 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 118.5s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 511 ConstructedInterpolants, 4 QuantifiedInterpolants, 7874 SizeOfPredicates, 35 NumberOfNonLiveVariables, 503 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1426/1540 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((var_1_15 <= 0) && (var_1_16 <= 0)) && (var_1_13 <= 0)) RESULT: Ultimate proved your program to be correct! [2024-12-02 14:57:06,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3518b304-438c-4abc-8fe1-745bec307fa3/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 Writing output log to file Ultimate.log Result: TRUE