./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd --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 480085f0fbc2bb150cea70cfe42d19d7967e13aabeaaf15e92071325d497a99b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:58:11,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:58:11,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 12:58:11,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:58:11,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:58:11,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:58:11,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:58:11,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:58:11,712 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:58:11,712 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:58:11,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:58:11,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:58:11,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:58:11,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:58:11,714 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:58:11,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:58:11,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:58:11,715 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:58:11,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:58:11,715 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:58:11,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:58:11,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:58:11,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:58:11,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:58:11,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:58:11,716 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:58:11,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:58:11,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:58:11,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:58:11,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:58:11,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:58:11,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:58:11,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:58:11,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:58:11,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:58:11,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:58:11,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:58:11,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:58:11,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:58:11,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:58:11,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:58:11,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:58:11,719 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_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd 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 -> 480085f0fbc2bb150cea70cfe42d19d7967e13aabeaaf15e92071325d497a99b [2024-11-13 12:58:12,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:58:12,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:58:12,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:58:12,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:58:12,129 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:58:12,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i Unable to find full path for "g++" [2024-11-13 12:58:14,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:58:14,476 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:58:14,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i [2024-11-13 12:58:14,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/data/83ab12dee/a477d5f3eafa4d57bb6241c10dd14922/FLAGbbe8e0ddd [2024-11-13 12:58:14,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/data/83ab12dee/a477d5f3eafa4d57bb6241c10dd14922 [2024-11-13 12:58:14,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:58:14,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:58:14,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:58:14,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:58:14,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:58:14,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb023bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14, skipping insertion in model container [2024-11-13 12:58:14,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:58:14,720 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_18166450-980e-4660-9027-4f4683f1ecc7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i[916,929] [2024-11-13 12:58:14,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:58:14,788 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:58:14,798 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_18166450-980e-4660-9027-4f4683f1ecc7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i[916,929] [2024-11-13 12:58:14,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:58:14,843 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:58:14,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14 WrapperNode [2024-11-13 12:58:14,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:58:14,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:58:14,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:58:14,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:58:14,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,863 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,905 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-13 12:58:14,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:58:14,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:58:14,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:58:14,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:58:14,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,950 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 12:58:14,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:14,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:58:14,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:58:14,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:58:14,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:58:14,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (1/1) ... [2024-11-13 12:58:15,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:58:15,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:15,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:58:15,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:58:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:58:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 12:58:15,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 12:58:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:58:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:58:15,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:58:15,181 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:58:15,184 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:58:15,603 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 12:58:15,603 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:58:15,617 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:58:15,617 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:58:15,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:15 BoogieIcfgContainer [2024-11-13 12:58:15,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:58:15,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:58:15,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:58:15,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:58:15,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:58:14" (1/3) ... [2024-11-13 12:58:15,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c012f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:58:15, skipping insertion in model container [2024-11-13 12:58:15,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:14" (2/3) ... [2024-11-13 12:58:15,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c012f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:58:15, skipping insertion in model container [2024-11-13 12:58:15,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:15" (3/3) ... [2024-11-13 12:58:15,629 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-73.i [2024-11-13 12:58:15,648 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:58:15,650 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-73.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 12:58:15,734 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:58:15,750 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;@54d8c39c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:58:15,750 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 12:58:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 12:58:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-13 12:58:15,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:15,767 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:58:15,768 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:58:15,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:15,773 INFO L85 PathProgramCache]: Analyzing trace with hash 736917352, now seen corresponding path program 1 times [2024-11-13 12:58:15,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:15,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632876583] [2024-11-13 12:58:15,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:15,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:58:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 12:58:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 12:58:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 12:58:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 12:58:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 12:58:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 12:58:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 12:58:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 12:58:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 12:58:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 12:58:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 12:58:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 12:58:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 12:58:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 12:58:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 12:58:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 12:58:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 12:58:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:16,806 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 12:58:16,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:16,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632876583] [2024-11-13 12:58:16,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632876583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:58:16,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:58:16,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:58:16,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432712388] [2024-11-13 12:58:16,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:58:16,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:58:16,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:16,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:58:16,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:58:16,843 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 12:58:16,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:16,935 INFO L93 Difference]: Finished difference Result 105 states and 178 transitions. [2024-11-13 12:58:16,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:58:16,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114 [2024-11-13 12:58:16,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:16,950 INFO L225 Difference]: With dead ends: 105 [2024-11-13 12:58:16,950 INFO L226 Difference]: Without dead ends: 52 [2024-11-13 12:58:16,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:58:16,961 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:16,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:58:16,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-13 12:58:17,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-13 12:58:17,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 12:58:17,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-11-13 12:58:17,015 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 114 [2024-11-13 12:58:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:17,017 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-13 12:58:17,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 12:58:17,018 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-13 12:58:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 12:58:17,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:17,021 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:58:17,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:58:17,022 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:58:17,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:17,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1580515950, now seen corresponding path program 1 times [2024-11-13 12:58:17,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:17,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357909567] [2024-11-13 12:58:17,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:17,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:58:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 12:58:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 12:58:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 12:58:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 12:58:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 12:58:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 12:58:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 12:58:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 12:58:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 12:58:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 12:58:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 12:58:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 12:58:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 12:58:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 12:58:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 12:58:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 12:58:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 12:58:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 12:58:19,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:58:19,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357909567] [2024-11-13 12:58:19,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357909567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:58:19,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:58:19,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 12:58:19,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197702622] [2024-11-13 12:58:19,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:58:19,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 12:58:19,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:58:19,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 12:58:19,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 12:58:19,776 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 12:58:20,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:20,318 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2024-11-13 12:58:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:58:20,319 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 115 [2024-11-13 12:58:20,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:20,321 INFO L225 Difference]: With dead ends: 126 [2024-11-13 12:58:20,321 INFO L226 Difference]: Without dead ends: 77 [2024-11-13 12:58:20,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-13 12:58:20,322 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 18 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:20,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 442 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 12:58:20,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-13 12:58:20,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 65. [2024-11-13 12:58:20,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 45 states have internal predecessors, (53), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 12:58:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 89 transitions. [2024-11-13 12:58:20,341 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 89 transitions. Word has length 115 [2024-11-13 12:58:20,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:20,343 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 89 transitions. [2024-11-13 12:58:20,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 12:58:20,343 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2024-11-13 12:58:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 12:58:20,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:20,347 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:58:20,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:58:20,347 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:58:20,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:20,350 INFO L85 PathProgramCache]: Analyzing trace with hash -203131601, now seen corresponding path program 1 times [2024-11-13 12:58:20,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:58:20,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186570902] [2024-11-13 12:58:20,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:20,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:58:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:58:20,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:58:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:58:20,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:58:20,604 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 12:58:20,605 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 12:58:20,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:58:20,610 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 12:58:20,676 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:58:20,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:58:20 BoogieIcfgContainer [2024-11-13 12:58:20,679 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:58:20,680 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:58:20,680 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:58:20,680 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:58:20,681 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:15" (3/4) ... [2024-11-13 12:58:20,687 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 12:58:20,688 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:58:20,689 INFO L158 Benchmark]: Toolchain (without parser) took 6172.18ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 93.8MB in the end (delta: 37.0MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-11-13 12:58:20,690 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:58:20,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.60ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 117.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:58:20,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.40ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 115.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:58:20,692 INFO L158 Benchmark]: Boogie Preprocessor took 79.91ms. Allocated memory is still 167.8MB. Free memory was 115.2MB in the beginning and 111.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:58:20,693 INFO L158 Benchmark]: RCFGBuilder took 628.76ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 94.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 12:58:20,693 INFO L158 Benchmark]: TraceAbstraction took 5058.93ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 93.8MB in the end (delta: 323.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:58:20,694 INFO L158 Benchmark]: Witness Printer took 9.19ms. Allocated memory is still 167.8MB. Free memory was 93.8MB in the beginning and 93.8MB in the end (delta: 50.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:58:20,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.60ms. Allocated memory is still 167.8MB. Free memory was 130.5MB in the beginning and 117.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.40ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 115.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.91ms. Allocated memory is still 167.8MB. Free memory was 115.2MB in the beginning and 111.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 628.76ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 94.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5058.93ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 93.8MB in the end (delta: 323.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.19ms. Allocated memory is still 167.8MB. Free memory was 93.8MB in the beginning and 93.8MB in the end (delta: 50.7kB). 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 to_int at line 50, overapproximation of to_int at line 104. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 5; [L23] unsigned char var_1_6 = 1; [L24] signed long int var_1_7 = 0; [L25] unsigned char var_1_8 = 25; [L26] unsigned char var_1_9 = 100; [L27] unsigned char var_1_10 = 1; [L28] signed long int var_1_12 = 15; [L29] signed long int var_1_13 = 1; [L30] unsigned char var_1_14 = 0; [L31] unsigned char var_1_15 = 0; [L32] signed long int var_1_16 = 16; [L33] signed char var_1_17 = 10; [L34] signed char var_1_18 = -10; [L35] signed long int var_1_19 = -16; [L36] signed long int last_1_var_1_12 = 15; VAL [isInitial=0, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=0, var_1_8=25, var_1_9=100] [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] CALL updateLastVariables() [L101] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=0, var_1_8=25, var_1_9=100] [L111] RET updateLastVariables() [L112] CALL updateVariables() [L72] var_1_6 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_7=0, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_7=0, var_1_8=25, var_1_9=100] [L73] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_7=0, var_1_8=25, var_1_9=100] [L74] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=0, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=0, var_1_8=25, var_1_9=100] [L74] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=0, var_1_8=25, var_1_9=100] [L75] var_1_7 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=100] [L76] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=100] [L77] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=100] [L77] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=100] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25] [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25] [L80] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L80] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L81] var_1_10 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L82] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L83] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L83] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L84] var_1_13 = __VERIFIER_nondet_long() [L85] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L85] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L86] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L86] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L87] var_1_14 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L88] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L89] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L89] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L90] var_1_15 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L91] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L92] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L92] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L93] var_1_16 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L94] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L95] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L95] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L96] var_1_18 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L97] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L98] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L98] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L112] RET updateVariables() [L113] CALL step() [L40] COND TRUE \read(var_1_6) [L41] var_1_8 = ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L47] var_1_19 = var_1_8 VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=254, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L48] COND TRUE var_1_19 > var_1_9 VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=254, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L49] COND TRUE \read(var_1_6) [L50] var_1_12 = (var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=254, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L61] signed long int stepLocal_0 = (((var_1_8) > ((var_1_8 + var_1_19))) ? (var_1_8) : ((var_1_8 + var_1_19))); VAL [isInitial=1, last_1_var_1_12=15, stepLocal_0=508, var_1_10=254, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=254, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L62] COND TRUE var_1_8 <= stepLocal_0 VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=254, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L63] COND FALSE !(! var_1_6) [L66] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=254, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L69] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=126, var_1_18=126, var_1_19=254, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L113] RET step() [L114] CALL, EXPR property() [L104-L105] return (((((var_1_8 <= ((((var_1_8) > ((var_1_8 + var_1_19))) ? (var_1_8) : ((var_1_8 + var_1_19))))) ? ((! var_1_6) ? (var_1_1 == ((signed long int) var_1_7)) : (var_1_1 == ((signed long int) var_1_7))) : 1) && (var_1_6 ? (var_1_8 == ((unsigned char) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))))) : ((last_1_var_1_12 < (last_1_var_1_12 + var_1_7)) ? (var_1_8 == ((unsigned char) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1))) && ((var_1_19 > var_1_9) ? (var_1_6 ? (var_1_12 == ((signed long int) (var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((var_1_14 && var_1_15) ? (var_1_12 == ((signed long int) (var_1_13 - var_1_16))) : (var_1_12 == ((signed long int) var_1_16)))) : (var_1_12 == ((signed long int) var_1_13)))) && (var_1_17 == ((signed char) var_1_18))) && (var_1_19 == ((signed long int) var_1_8)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=2, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=126, var_1_18=126, var_1_19=254, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=2, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=126, var_1_18=126, var_1_19=254, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=2, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=126, var_1_18=126, var_1_19=254, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 581 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 441 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 140 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1224/1224 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 12:58:20,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/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_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd --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 480085f0fbc2bb150cea70cfe42d19d7967e13aabeaaf15e92071325d497a99b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:58:23,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:58:23,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 12:58:23,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:58:23,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:58:23,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:58:23,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:58:23,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:58:23,876 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:58:23,876 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:58:23,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:58:23,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:58:23,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:58:23,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:58:23,877 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:58:23,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:58:23,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:58:23,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:58:23,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:58:23,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:58:23,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:58:23,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:58:23,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:58:23,879 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 12:58:23,879 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 12:58:23,879 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:58:23,879 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 12:58:23,879 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:58:23,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:58:23,879 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:58:23,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:58:23,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:58:23,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:58:23,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:58:23,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:58:23,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:58:23,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:58:23,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:58:23,883 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 12:58:23,883 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 12:58:23,883 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:58:23,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:58:23,884 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:58:23,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:58:23,884 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_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd 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 -> 480085f0fbc2bb150cea70cfe42d19d7967e13aabeaaf15e92071325d497a99b [2024-11-13 12:58:24,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:58:24,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:58:24,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:58:24,286 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:58:24,289 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:58:24,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i Unable to find full path for "g++" [2024-11-13 12:58:26,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:58:26,814 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:58:26,818 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i [2024-11-13 12:58:26,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/data/f94d60679/cc1683fd3deb41848800c4fbfe93a340/FLAG5210db64c [2024-11-13 12:58:26,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/data/f94d60679/cc1683fd3deb41848800c4fbfe93a340 [2024-11-13 12:58:26,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:58:26,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:58:26,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:58:26,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:58:26,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:58:26,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:58:26" (1/1) ... [2024-11-13 12:58:26,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b8eb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:26, skipping insertion in model container [2024-11-13 12:58:26,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:58:26" (1/1) ... [2024-11-13 12:58:26,906 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:58:27,102 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_18166450-980e-4660-9027-4f4683f1ecc7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i[916,929] [2024-11-13 12:58:27,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:58:27,214 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:58:27,232 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_18166450-980e-4660-9027-4f4683f1ecc7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i[916,929] [2024-11-13 12:58:27,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:58:27,307 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:58:27,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27 WrapperNode [2024-11-13 12:58:27,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:58:27,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:58:27,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:58:27,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:58:27,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (1/1) ... [2024-11-13 12:58:27,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (1/1) ... [2024-11-13 12:58:27,380 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-13 12:58:27,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:58:27,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:58:27,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:58:27,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:58:27,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (1/1) ... [2024-11-13 12:58:27,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (1/1) ... [2024-11-13 12:58:27,397 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (1/1) ... [2024-11-13 12:58:27,411 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 12:58:27,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (1/1) ... [2024-11-13 12:58:27,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (1/1) ... [2024-11-13 12:58:27,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (1/1) ... [2024-11-13 12:58:27,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (1/1) ... [2024-11-13 12:58:27,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (1/1) ... [2024-11-13 12:58:27,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (1/1) ... [2024-11-13 12:58:27,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:58:27,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:58:27,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:58:27,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:58:27,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (1/1) ... [2024-11-13 12:58:27,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:58:27,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:27,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:58:27,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:58:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:58:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 12:58:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 12:58:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 12:58:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:58:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:58:27,596 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:58:27,599 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:58:29,223 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 12:58:29,223 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:58:29,236 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:58:29,236 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:58:29,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:29 BoogieIcfgContainer [2024-11-13 12:58:29,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:58:29,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:58:29,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:58:29,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:58:29,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:58:26" (1/3) ... [2024-11-13 12:58:29,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173ca6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:58:29, skipping insertion in model container [2024-11-13 12:58:29,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:58:27" (2/3) ... [2024-11-13 12:58:29,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173ca6a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:58:29, skipping insertion in model container [2024-11-13 12:58:29,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:58:29" (3/3) ... [2024-11-13 12:58:29,251 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-73.i [2024-11-13 12:58:29,270 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:58:29,273 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-73.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 12:58:29,362 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:58:29,383 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;@3e50db85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:58:29,384 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 12:58:29,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 12:58:29,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-13 12:58:29,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:29,439 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:58:29,440 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:58:29,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:29,447 INFO L85 PathProgramCache]: Analyzing trace with hash 736917352, now seen corresponding path program 1 times [2024-11-13 12:58:29,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:58:29,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059776387] [2024-11-13 12:58:29,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:29,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 12:58:29,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 12:58:29,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 12:58:29,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 12:58:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:29,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:58:29,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:58:29,979 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 12:58:29,980 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 12:58:29,980 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 12:58:29,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059776387] [2024-11-13 12:58:29,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059776387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:58:29,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:58:29,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:58:29,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795258326] [2024-11-13 12:58:29,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:58:29,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:58:29,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 12:58:30,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:58:30,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:58:30,011 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 12:58:31,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:58:31,043 INFO L93 Difference]: Finished difference Result 141 states and 254 transitions. [2024-11-13 12:58:31,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:58:31,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114 [2024-11-13 12:58:31,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:58:31,057 INFO L225 Difference]: With dead ends: 141 [2024-11-13 12:58:31,058 INFO L226 Difference]: Without dead ends: 88 [2024-11-13 12:58:31,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 12:58:31,069 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 68 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 12:58:31,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 258 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 12:58:31,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-13 12:58:31,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 52. [2024-11-13 12:58:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 12:58:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-11-13 12:58:31,153 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 114 [2024-11-13 12:58:31,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:58:31,157 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-13 12:58:31,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 12:58:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-13 12:58:31,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 12:58:31,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:58:31,164 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:58:31,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 12:58:31,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 12:58:31,365 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:58:31,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:58:31,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1580515950, now seen corresponding path program 1 times [2024-11-13 12:58:31,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 12:58:31,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301863966] [2024-11-13 12:58:31,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:31,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 12:58:31,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 12:58:31,369 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 12:58:31,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 12:58:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:58:31,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:58:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:58:31,713 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-13 12:58:31,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1074520335] [2024-11-13 12:58:31,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:58:31,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 12:58:31,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:58:31,725 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 12:58:31,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18166450-980e-4660-9027-4f4683f1ecc7/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 12:58:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:58:32,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 12:58:32,031 INFO L278 TraceCheckSpWp]: Computing forward predicates...