./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.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_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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_b48178b4-42a2-493d-a2d6-010ec0c77692/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 648d197bd9e5d325bfbd4ba63b1498edcdaa8a19265c026c3c04bed53d00cdaa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:10:00,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:10:00,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:10:00,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:10:00,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:10:00,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:10:00,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:10:00,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:10:00,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:10:00,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:10:00,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:10:00,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:10:00,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:10:00,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:10:00,842 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:10:00,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:10:00,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:10:00,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:10:00,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:10:00,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:10:00,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:10:00,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:10:00,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:10:00,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:10:00,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:10:00,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:10:00,843 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:10:00,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:10:00,844 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:10:00,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:10:00,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:10:00,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:10:00,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:10:00,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:10:00,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:10:00,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:10:00,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:10:00,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:10:00,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:10:00,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:10:00,845 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:10:00,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:10:00,845 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:10:00,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:10:00,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:10:00,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:10:00,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:10:00,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:10:00,846 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_b48178b4-42a2-493d-a2d6-010ec0c77692/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 -> 648d197bd9e5d325bfbd4ba63b1498edcdaa8a19265c026c3c04bed53d00cdaa [2024-12-02 14:10:01,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:10:01,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:10:01,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:10:01,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:10:01,072 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:10:01,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i [2024-12-02 14:10:03,661 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/data/90e389245/b018275bed8d41cfa632c0e568f4e719/FLAG7da90b65b [2024-12-02 14:10:03,871 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:10:03,872 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i [2024-12-02 14:10:03,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/data/90e389245/b018275bed8d41cfa632c0e568f4e719/FLAG7da90b65b [2024-12-02 14:10:04,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/data/90e389245/b018275bed8d41cfa632c0e568f4e719 [2024-12-02 14:10:04,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:10:04,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:10:04,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:10:04,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:10:04,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:10:04,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c62671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04, skipping insertion in model container [2024-12-02 14:10:04,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:10:04,370 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_b48178b4-42a2-493d-a2d6-010ec0c77692/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i[914,927] [2024-12-02 14:10:04,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:10:04,414 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:10:04,425 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_b48178b4-42a2-493d-a2d6-010ec0c77692/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i[914,927] [2024-12-02 14:10:04,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:10:04,453 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:10:04,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04 WrapperNode [2024-12-02 14:10:04,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:10:04,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:10:04,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:10:04,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:10:04,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,492 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2024-12-02 14:10:04,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:10:04,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:10:04,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:10:04,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:10:04,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,505 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,519 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 14:10:04,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,524 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:10:04,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:10:04,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:10:04,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:10:04,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (1/1) ... [2024-12-02 14:10:04,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:10:04,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:10:04,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:10:04,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:10:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:10:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:10:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:10:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:10:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:10:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:10:04,661 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:10:04,662 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:10:04,811 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 14:10:04,811 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:10:04,818 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:10:04,818 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 14:10:04,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:04 BoogieIcfgContainer [2024-12-02 14:10:04,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:10:04,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:10:04,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:10:04,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:10:04,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:10:04" (1/3) ... [2024-12-02 14:10:04,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b3caf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:10:04, skipping insertion in model container [2024-12-02 14:10:04,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:04" (2/3) ... [2024-12-02 14:10:04,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b3caf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:10:04, skipping insertion in model container [2024-12-02 14:10:04,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:04" (3/3) ... [2024-12-02 14:10:04,825 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-7.i [2024-12-02 14:10:04,840 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:10:04,841 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-7.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:10:04,894 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:10:04,905 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;@6690822d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:10:04,906 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:10:04,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 14:10:04,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 14:10:04,916 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:10:04,916 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 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 14:10:04,917 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:10:04,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:10:04,921 INFO L85 PathProgramCache]: Analyzing trace with hash -808800034, now seen corresponding path program 1 times [2024-12-02 14:10:04,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:10:04,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338612950] [2024-12-02 14:10:04,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:10:04,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:10:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:10:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-02 14:10:05,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:10:05,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338612950] [2024-12-02 14:10:05,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338612950] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:10:05,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731520933] [2024-12-02 14:10:05,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:10:05,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:10:05,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:10:05,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:10:05,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:10:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:10:05,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:10:05,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:10:05,183 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-02 14:10:05,183 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:10:05,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731520933] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:10:05,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:10:05,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:10:05,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899941341] [2024-12-02 14:10:05,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:10:05,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:10:05,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:10:05,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:10:05,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:10:05,206 INFO L87 Difference]: Start difference. First operand has 38 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) 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, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 14:10:05,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:10:05,223 INFO L93 Difference]: Finished difference Result 73 states and 107 transitions. [2024-12-02 14:10:05,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:10:05,225 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, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2024-12-02 14:10:05,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:10:05,230 INFO L225 Difference]: With dead ends: 73 [2024-12-02 14:10:05,230 INFO L226 Difference]: Without dead ends: 34 [2024-12-02 14:10:05,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 14:10:05,235 INFO L435 NwaCegarLoop]: 48 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, 48 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 14:10:05,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:10:05,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-12-02 14:10:05,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-12-02 14:10:05,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 14:10:05,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2024-12-02 14:10:05,267 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 49 [2024-12-02 14:10:05,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:10:05,268 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2024-12-02 14:10:05,268 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, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 14:10:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-12-02 14:10:05,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 14:10:05,270 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:10:05,270 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 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 14:10:05,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:10:05,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:10:05,471 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:10:05,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:10:05,472 INFO L85 PathProgramCache]: Analyzing trace with hash 967852576, now seen corresponding path program 1 times [2024-12-02 14:10:05,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:10:05,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001108443] [2024-12-02 14:10:05,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:10:05,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:10:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:10:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 14:10:05,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:10:05,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001108443] [2024-12-02 14:10:05,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001108443] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:10:05,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:10:05,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:10:05,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315730559] [2024-12-02 14:10:05,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:10:05,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:10:05,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:10:05,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:10:05,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:10:05,854 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 14:10:05,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:10:05,891 INFO L93 Difference]: Finished difference Result 65 states and 85 transitions. [2024-12-02 14:10:05,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:10:05,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2024-12-02 14:10:05,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:10:05,893 INFO L225 Difference]: With dead ends: 65 [2024-12-02 14:10:05,893 INFO L226 Difference]: Without dead ends: 34 [2024-12-02 14:10:05,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:10:05,894 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 36 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:10:05,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 42 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:10:05,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-12-02 14:10:05,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-12-02 14:10:05,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 14:10:05,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2024-12-02 14:10:05,906 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 43 transitions. Word has length 49 [2024-12-02 14:10:05,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:10:05,907 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 43 transitions. [2024-12-02 14:10:05,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 14:10:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2024-12-02 14:10:05,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 14:10:05,909 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:10:05,909 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:10:05,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:10:05,909 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:10:05,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:10:05,910 INFO L85 PathProgramCache]: Analyzing trace with hash -296901525, now seen corresponding path program 1 times [2024-12-02 14:10:05,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:10:05,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502214520] [2024-12-02 14:10:05,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:10:05,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:10:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:10:05,950 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:10:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:10:06,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:10:06,005 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:10:06,006 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:10:06,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:10:06,012 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 14:10:06,045 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:10:06,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:10:06 BoogieIcfgContainer [2024-12-02 14:10:06,050 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:10:06,050 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:10:06,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:10:06,051 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:10:06,051 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:04" (3/4) ... [2024-12-02 14:10:06,054 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:10:06,055 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:10:06,056 INFO L158 Benchmark]: Toolchain (without parser) took 1803.32ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 68.2MB in the end (delta: 48.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-12-02 14:10:06,056 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:10:06,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.72ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 104.5MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:10:06,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.77ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 102.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:10:06,057 INFO L158 Benchmark]: Boogie Preprocessor took 40.91ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 100.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:10:06,058 INFO L158 Benchmark]: RCFGBuilder took 284.49ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 87.1MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:10:06,058 INFO L158 Benchmark]: TraceAbstraction took 1229.16ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 68.2MB in the end (delta: 18.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-12-02 14:10:06,059 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 142.6MB. Free memory was 68.2MB in the beginning and 68.2MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:10:06,060 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.72ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 104.5MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.77ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 102.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.91ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 100.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 284.49ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 87.1MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1229.16ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 68.2MB in the end (delta: 18.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 142.6MB. Free memory was 68.2MB in the beginning and 68.2MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 63, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] float var_1_2 = 200.875; [L24] float var_1_3 = 8.2; [L25] float var_1_4 = 100000000000.4; [L26] unsigned char var_1_5 = 5; [L27] unsigned long int var_1_6 = 100; [L28] double var_1_9 = 4.6; [L29] double var_1_10 = 2.5; [L30] double last_1_var_1_9 = 4.6; VAL [isInitial=0, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_2=1607/8, var_1_3=41/5, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L80] isInitial = 1 [L81] FCALL initially() [L82] int k_loop; [L83] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_2=1607/8, var_1_3=41/5, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L83] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_2=1607/8, var_1_3=41/5, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L84] CALL updateLastVariables() [L73] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_2=1607/8, var_1_3=41/5, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L84] RET updateLastVariables() [L85] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=41/5, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=41/5, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L61] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_3=41/5, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L62] var_1_3 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L63] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_4=500000000002/5, var_1_5=5, var_1_6=100, var_1_9=23/5] [L64] var_1_4 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_5=5, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_5=5, var_1_6=100, var_1_9=23/5] [L65] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_5=5, var_1_6=100, var_1_9=23/5] [L66] var_1_5 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_6=100, var_1_9=23/5] [L67] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_6=100, var_1_9=23/5] [L68] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_5=254, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_5=254, var_1_6=100, var_1_9=23/5] [L68] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=5/2, var_1_1=1, var_1_5=254, var_1_6=100, var_1_9=23/5] [L69] var_1_10 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_1=1, var_1_5=254, var_1_6=100, var_1_9=23/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=23/5, var_1_1=1, var_1_5=254, var_1_6=100, var_1_9=23/5] [L70] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_1=1, var_1_5=254, var_1_6=100, var_1_9=23/5] [L85] RET updateVariables() [L86] CALL step() [L34] COND FALSE !(! (last_1_var_1_9 <= (var_1_3 - var_1_4))) [L45] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_9=23/5, var_1_1=254, var_1_5=254, var_1_6=100, var_1_9=23/5] [L47] unsigned char stepLocal_0 = var_1_5; VAL [isInitial=1, last_1_var_1_9=23/5, var_1_1=254, var_1_5=254, var_1_6=100, var_1_9=23/5] [L48] COND FALSE !(stepLocal_0 < 0) [L51] var_1_6 = ((((((var_1_5) > (var_1_1)) ? (var_1_5) : (var_1_1))) + ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) + var_1_1) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_1=254, var_1_5=254, var_1_6=762, var_1_9=23/5] [L53] COND TRUE var_1_1 <= var_1_6 VAL [isInitial=1, last_1_var_1_9=23/5, var_1_1=254, var_1_5=254, var_1_6=762, var_1_9=23/5] [L54] COND TRUE var_1_2 >= var_1_3 [L55] var_1_9 = var_1_10 VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=100000000005, var_1_1=254, var_1_5=254, var_1_6=762, var_1_9=100000000005] [L86] RET step() [L87] CALL, EXPR property() [L76-L77] return (((! (last_1_var_1_9 <= (var_1_3 - var_1_4))) ? ((last_1_var_1_9 < var_1_3) ? ((! (var_1_3 > last_1_var_1_9)) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && ((var_1_5 < 0) ? (var_1_6 == ((unsigned long int) var_1_5)) : (var_1_6 == ((unsigned long int) ((((((var_1_5) > (var_1_1)) ? (var_1_5) : (var_1_1))) + ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) + var_1_1))))) && ((var_1_1 <= var_1_6) ? ((var_1_2 >= var_1_3) ? (var_1_9 == ((double) var_1_10)) : 1) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_9=23/5, var_1_10=100000000005, var_1_1=254, var_1_5=254, var_1_6=762, var_1_9=100000000005] [L87] RET, EXPR property() [L87] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=100000000005, var_1_1=254, var_1_5=254, var_1_6=762, var_1_9=100000000005] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=23/5, var_1_10=100000000005, var_1_1=254, var_1_5=254, var_1_6=762, var_1_9=100000000005] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 89 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 128 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 170/180 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 14:10:06,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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_b48178b4-42a2-493d-a2d6-010ec0c77692/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 648d197bd9e5d325bfbd4ba63b1498edcdaa8a19265c026c3c04bed53d00cdaa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:10:08,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:10:08,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:10:08,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:10:08,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:10:08,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:10:08,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:10:08,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:10:08,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:10:08,122 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:10:08,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:10:08,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:10:08,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:10:08,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:10:08,123 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:10:08,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:10:08,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:10:08,123 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:10:08,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:10:08,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:10:08,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:10:08,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:10:08,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:10:08,124 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:10:08,124 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:10:08,124 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:10:08,124 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:10:08,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:10:08,124 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:10:08,124 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:10:08,124 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:10:08,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:10:08,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:10:08,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:10:08,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:10:08,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:10:08,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:10:08,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:10:08,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:10:08,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:10:08,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:10:08,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:10:08,126 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:10:08,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:10:08,126 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:10:08,126 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:10:08,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:10:08,127 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:10:08,127 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:10:08,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:10:08,127 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_b48178b4-42a2-493d-a2d6-010ec0c77692/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 -> 648d197bd9e5d325bfbd4ba63b1498edcdaa8a19265c026c3c04bed53d00cdaa [2024-12-02 14:10:08,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:10:08,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:10:08,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:10:08,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:10:08,389 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:10:08,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i [2024-12-02 14:10:11,080 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/data/d46cdf64d/524518d00c204b9faefe99133178d112/FLAG8a1724d8a [2024-12-02 14:10:11,267 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:10:11,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i [2024-12-02 14:10:11,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/data/d46cdf64d/524518d00c204b9faefe99133178d112/FLAG8a1724d8a [2024-12-02 14:10:11,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/data/d46cdf64d/524518d00c204b9faefe99133178d112 [2024-12-02 14:10:11,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:10:11,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:10:11,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:10:11,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:10:11,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:10:11,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb8ab76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11, skipping insertion in model container [2024-12-02 14:10:11,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:10:11,759 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_b48178b4-42a2-493d-a2d6-010ec0c77692/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i[914,927] [2024-12-02 14:10:11,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:10:11,803 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:10:11,811 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_b48178b4-42a2-493d-a2d6-010ec0c77692/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-7.i[914,927] [2024-12-02 14:10:11,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:10:11,837 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:10:11,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11 WrapperNode [2024-12-02 14:10:11,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:10:11,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:10:11,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:10:11,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:10:11,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,870 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2024-12-02 14:10:11,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:10:11,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:10:11,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:10:11,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:10:11,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,880 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,890 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 14:10:11,890 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,898 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:10:11,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:10:11,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:10:11,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:10:11,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (1/1) ... [2024-12-02 14:10:11,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:10:11,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:10:11,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:10:11,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:10:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:10:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:10:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:10:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:10:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:10:11,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:10:12,019 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:10:12,021 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:10:13,063 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 14:10:13,063 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:10:13,070 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:10:13,071 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 14:10:13,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:13 BoogieIcfgContainer [2024-12-02 14:10:13,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:10:13,073 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:10:13,073 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:10:13,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:10:13,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:10:11" (1/3) ... [2024-12-02 14:10:13,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c289327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:10:13, skipping insertion in model container [2024-12-02 14:10:13,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:11" (2/3) ... [2024-12-02 14:10:13,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c289327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:10:13, skipping insertion in model container [2024-12-02 14:10:13,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:13" (3/3) ... [2024-12-02 14:10:13,083 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-7.i [2024-12-02 14:10:13,094 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:10:13,095 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-7.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:10:13,129 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:10:13,137 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;@23092087, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:10:13,137 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:10:13,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 14:10:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 14:10:13,144 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:10:13,145 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 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 14:10:13,145 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:10:13,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:10:13,148 INFO L85 PathProgramCache]: Analyzing trace with hash -808800034, now seen corresponding path program 1 times [2024-12-02 14:10:13,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:10:13,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182132808] [2024-12-02 14:10:13,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:10:13,157 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 14:10:13,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:10:13,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:13,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:10:13,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:10:13,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:10:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-02 14:10:13,379 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:10:13,380 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:10:13,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182132808] [2024-12-02 14:10:13,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182132808] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:10:13,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:10:13,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:10:13,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756728865] [2024-12-02 14:10:13,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:10:13,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:10:13,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:10:13,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:10:13,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:10:13,408 INFO L87 Difference]: Start difference. First operand has 38 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) 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, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 14:10:13,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:10:13,427 INFO L93 Difference]: Finished difference Result 73 states and 107 transitions. [2024-12-02 14:10:13,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:10:13,428 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, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2024-12-02 14:10:13,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:10:13,435 INFO L225 Difference]: With dead ends: 73 [2024-12-02 14:10:13,435 INFO L226 Difference]: Without dead ends: 34 [2024-12-02 14:10:13,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 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 14:10:13,440 INFO L435 NwaCegarLoop]: 48 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, 48 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 14:10:13,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:10:13,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-12-02 14:10:13,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-12-02 14:10:13,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 14:10:13,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2024-12-02 14:10:13,471 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 49 [2024-12-02 14:10:13,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:10:13,471 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2024-12-02 14:10:13,471 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, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 14:10:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-12-02 14:10:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 14:10:13,472 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:10:13,473 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 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 14:10:13,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:13,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:13,673 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:10:13,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:10:13,674 INFO L85 PathProgramCache]: Analyzing trace with hash 967852576, now seen corresponding path program 1 times [2024-12-02 14:10:13,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:10:13,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81882420] [2024-12-02 14:10:13,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:10:13,675 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 14:10:13,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:10:13,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:13,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:10:13,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:10:13,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:10:14,000 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 14:10:14,000 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:10:14,000 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:10:14,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81882420] [2024-12-02 14:10:14,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81882420] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:10:14,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:10:14,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:10:14,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567102585] [2024-12-02 14:10:14,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:10:14,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:10:14,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:10:14,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:10:14,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:10:14,003 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 14:10:15,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:10:15,243 INFO L93 Difference]: Finished difference Result 90 states and 117 transitions. [2024-12-02 14:10:15,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:10:15,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2024-12-02 14:10:15,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:10:15,247 INFO L225 Difference]: With dead ends: 90 [2024-12-02 14:10:15,247 INFO L226 Difference]: Without dead ends: 59 [2024-12-02 14:10:15,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:10:15,248 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 49 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:10:15,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 126 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 14:10:15,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-12-02 14:10:15,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2024-12-02 14:10:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 40 states have internal predecessors, (44), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:10:15,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-12-02 14:10:15,259 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 49 [2024-12-02 14:10:15,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:10:15,260 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-12-02 14:10:15,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 14:10:15,260 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-12-02 14:10:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 14:10:15,261 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:10:15,261 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:10:15,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:15,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:15,462 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:10:15,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:10:15,462 INFO L85 PathProgramCache]: Analyzing trace with hash -296901525, now seen corresponding path program 1 times [2024-12-02 14:10:15,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:10:15,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114649485] [2024-12-02 14:10:15,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:10:15,463 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 14:10:15,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:10:15,465 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:15,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:10:15,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 14:10:15,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:10:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-02 14:10:43,920 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:10:43,920 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:10:43,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114649485] [2024-12-02 14:10:43,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1114649485] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:10:43,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:10:43,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 14:10:43,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074315088] [2024-12-02 14:10:43,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:10:43,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 14:10:43,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:10:43,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 14:10:43,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:10:43,922 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 14:10:46,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:10:46,638 INFO L93 Difference]: Finished difference Result 86 states and 99 transitions. [2024-12-02 14:10:46,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 14:10:46,639 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 50 [2024-12-02 14:10:46,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:10:46,641 INFO L225 Difference]: With dead ends: 86 [2024-12-02 14:10:46,641 INFO L226 Difference]: Without dead ends: 84 [2024-12-02 14:10:46,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2024-12-02 14:10:46,643 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 78 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:10:46,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 157 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 14:10:46,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-12-02 14:10:46,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 60. [2024-12-02 14:10:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 45 states have internal predecessors, (49), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 14:10:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions. [2024-12-02 14:10:46,652 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 50 [2024-12-02 14:10:46,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:10:46,653 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions. [2024-12-02 14:10:46,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 14:10:46,653 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2024-12-02 14:10:46,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 14:10:46,654 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:10:46,654 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:10:46,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:46,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:46,854 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:10:46,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:10:46,855 INFO L85 PathProgramCache]: Analyzing trace with hash -295054483, now seen corresponding path program 1 times [2024-12-02 14:10:46,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:10:46,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112002299] [2024-12-02 14:10:46,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:10:46,855 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 14:10:46,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:10:46,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:46,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:10:47,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:10:47,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:10:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 14:10:58,743 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:10:58,743 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:10:58,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112002299] [2024-12-02 14:10:58,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112002299] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:10:58,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:10:58,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 14:10:58,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560480267] [2024-12-02 14:10:58,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:10:58,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 14:10:58,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:10:58,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 14:10:58,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:10:58,744 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 14:10:59,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:10:59,438 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2024-12-02 14:10:59,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:10:59,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 50 [2024-12-02 14:10:59,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:10:59,439 INFO L225 Difference]: With dead ends: 64 [2024-12-02 14:10:59,439 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:10:59,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:10:59,440 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 25 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:10:59,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 220 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:10:59,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:10:59,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:10:59,441 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 14:10:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:10:59,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2024-12-02 14:10:59,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:10:59,441 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:10:59,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-12-02 14:10:59,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:10:59,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:10:59,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:10:59,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:59,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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 14:10:59,646 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 14:10:59,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:11:00,553 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:11:00,561 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 14:11:00,562 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 14:11:00,562 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 14:11:00,562 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 14:11:00,562 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 14:11:00,562 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 14:11:00,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:11:00 BoogieIcfgContainer [2024-12-02 14:11:00,562 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:11:00,563 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:11:00,563 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:11:00,563 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:11:00,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:13" (3/4) ... [2024-12-02 14:11:00,565 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:11:00,568 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 14:11:00,570 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-02 14:11:00,570 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 14:11:00,571 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 14:11:00,571 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:11:00,637 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:11:00,637 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:11:00,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:11:00,638 INFO L158 Benchmark]: Toolchain (without parser) took 49000.98ms. Allocated memory was 92.3MB in the beginning and 704.6MB in the end (delta: 612.4MB). Free memory was 69.5MB in the beginning and 388.7MB in the end (delta: -319.2MB). Peak memory consumption was 291.7MB. Max. memory is 16.1GB. [2024-12-02 14:11:00,638 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:11:00,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.54ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 56.6MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:11:00,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.35ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 55.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:11:00,639 INFO L158 Benchmark]: Boogie Preprocessor took 37.37ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 52.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:11:00,639 INFO L158 Benchmark]: RCFGBuilder took 1162.59ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 40.0MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:11:00,640 INFO L158 Benchmark]: TraceAbstraction took 47489.14ms. Allocated memory was 92.3MB in the beginning and 704.6MB in the end (delta: 612.4MB). Free memory was 39.3MB in the beginning and 396.9MB in the end (delta: -357.6MB). Peak memory consumption was 258.1MB. Max. memory is 16.1GB. [2024-12-02 14:11:00,640 INFO L158 Benchmark]: Witness Printer took 74.44ms. Allocated memory is still 704.6MB. Free memory was 396.9MB in the beginning and 388.7MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:11:00,641 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.54ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 56.6MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.35ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 55.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.37ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 52.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1162.59ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 40.0MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 47489.14ms. Allocated memory was 92.3MB in the beginning and 704.6MB in the end (delta: 612.4MB). Free memory was 39.3MB in the beginning and 396.9MB in the end (delta: -357.6MB). Peak memory consumption was 258.1MB. Max. memory is 16.1GB. * Witness Printer took 74.44ms. Allocated memory is still 704.6MB. Free memory was 396.9MB in the beginning and 388.7MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.5s, OverallIterations: 4, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 551 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 346 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 303 IncrementalHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 205 mSDtfsCounter, 303 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, InterpolantAutomatonStates: 32, 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, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 40.2s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 603 SizeOfPredicates, 18 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 240/240 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 RESULT: Ultimate proved your program to be correct! [2024-12-02 14:11:00,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48178b4-42a2-493d-a2d6-010ec0c77692/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