./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-85.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC --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 fa19e892477824f75c959017883cbc59eb6b8cc4187b0110b6dd88936ed3ccab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:00:29,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:00:29,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:00:29,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:00:29,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:00:29,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:00:29,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:00:29,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:00:29,781 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:00:29,782 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:00:29,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:00:29,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:00:29,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:00:29,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:00:29,784 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:00:29,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:00:29,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:00:29,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:00:29,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:00:29,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:00:29,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:00:29,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:00:29,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:00:29,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:00:29,786 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:00:29,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:00:29,787 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:00:29,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:00:29,787 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:00:29,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:00:29,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:00:29,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:00:29,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:00:29,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:00:29,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:00:29,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:00:29,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:00:29,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:00:29,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:00:29,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:00:29,788 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:00:29,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:00:29,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:00:29,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:00:29,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:00:29,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:00:29,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:00:29,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:00:29,789 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_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC 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 -> fa19e892477824f75c959017883cbc59eb6b8cc4187b0110b6dd88936ed3ccab [2024-11-24 00:00:30,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:00:30,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:00:30,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:00:30,154 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:00:30,154 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:00:30,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-85.i [2024-11-24 00:00:33,838 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/data/af303bf3d/f260933c9f6d425f9f05e2ede3be6e39/FLAG3a4d74936 [2024-11-24 00:00:34,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:00:34,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-85.i [2024-11-24 00:00:34,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/data/af303bf3d/f260933c9f6d425f9f05e2ede3be6e39/FLAG3a4d74936 [2024-11-24 00:00:34,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/data/af303bf3d/f260933c9f6d425f9f05e2ede3be6e39 [2024-11-24 00:00:34,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:00:34,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:00:34,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:00:34,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:00:34,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:00:34,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ad7792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34, skipping insertion in model container [2024-11-24 00:00:34,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:00:34,549 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_58215185-74e3-4fd0-837d-b2adb5a7c13c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-85.i[915,928] [2024-11-24 00:00:34,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:00:34,646 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:00:34,659 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_58215185-74e3-4fd0-837d-b2adb5a7c13c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-85.i[915,928] [2024-11-24 00:00:34,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:00:34,721 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:00:34,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34 WrapperNode [2024-11-24 00:00:34,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:00:34,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:00:34,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:00:34,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:00:34,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,802 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-11-24 00:00:34,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:00:34,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:00:34,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:00:34,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:00:34,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,828 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,855 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]. [2024-11-24 00:00:34,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,868 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:00:34,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:00:34,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:00:34,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:00:34,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (1/1) ... [2024-11-24 00:00:34,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:00:34,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:00:34,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:00:34,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:00:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:00:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:00:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:00:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:00:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:00:34,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:00:35,098 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:00:35,101 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:00:35,620 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-24 00:00:35,620 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:00:35,637 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:00:35,637 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:00:35,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:00:35 BoogieIcfgContainer [2024-11-24 00:00:35,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:00:35,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:00:35,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:00:35,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:00:35,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:00:34" (1/3) ... [2024-11-24 00:00:35,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b26a680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:00:35, skipping insertion in model container [2024-11-24 00:00:35,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:34" (2/3) ... [2024-11-24 00:00:35,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b26a680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:00:35, skipping insertion in model container [2024-11-24 00:00:35,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:00:35" (3/3) ... [2024-11-24 00:00:35,651 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-85.i [2024-11-24 00:00:35,673 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:00:35,674 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-85.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:00:35,751 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:00:35,770 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;@549b0b3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:00:35,770 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:00:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 00:00:35,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:00:35,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:00:35,796 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:00:35,796 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:00:35,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:00:35,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1458547587, now seen corresponding path program 1 times [2024-11-24 00:00:35,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:00:35,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625919872] [2024-11-24 00:00:35,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:00:35,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:00:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:00:36,326 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-24 00:00:36,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:00:36,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625919872] [2024-11-24 00:00:36,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625919872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:00:36,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17388715] [2024-11-24 00:00:36,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:00:36,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:00:36,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:00:36,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:00:36,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:00:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:00:36,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:00:36,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:00:36,682 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-24 00:00:36,682 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:00:36,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17388715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:00:36,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:00:36,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:00:36,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656257440] [2024-11-24 00:00:36,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:00:36,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:00:36,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:00:36,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:00:36,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:00:36,728 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 00:00:36,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:00:36,755 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-24 00:00:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:00:36,758 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2024-11-24 00:00:36,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:00:36,766 INFO L225 Difference]: With dead ends: 101 [2024-11-24 00:00:36,766 INFO L226 Difference]: Without dead ends: 50 [2024-11-24 00:00:36,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:00:36,773 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:00:36,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:00:36,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-24 00:00:36,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-24 00:00:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 00:00:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-24 00:00:36,837 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 101 [2024-11-24 00:00:36,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:00:36,839 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-24 00:00:36,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 00:00:36,840 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-24 00:00:36,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:00:36,845 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:00:36,845 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:00:36,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:00:37,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:00:37,047 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:00:37,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:00:37,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1039911609, now seen corresponding path program 1 times [2024-11-24 00:00:37,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:00:37,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159936848] [2024-11-24 00:00:37,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:00:37,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:00:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:00:38,664 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 00:00:38,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:00:38,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159936848] [2024-11-24 00:00:38,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159936848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:00:38,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:00:38,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:00:38,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082876628] [2024-11-24 00:00:38,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:00:38,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:00:38,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:00:38,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:00:38,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:00:38,671 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 00:00:39,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:00:39,272 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2024-11-24 00:00:39,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:00:39,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2024-11-24 00:00:39,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:00:39,277 INFO L225 Difference]: With dead ends: 145 [2024-11-24 00:00:39,277 INFO L226 Difference]: Without dead ends: 98 [2024-11-24 00:00:39,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:00:39,279 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 56 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:00:39,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 219 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:00:39,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-24 00:00:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 80. [2024-11-24 00:00:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 47 states have internal predecessors, (57), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 00:00:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2024-11-24 00:00:39,334 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 101 [2024-11-24 00:00:39,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:00:39,334 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2024-11-24 00:00:39,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 00:00:39,335 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2024-11-24 00:00:39,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:00:39,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:00:39,338 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:00:39,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:00:39,339 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:00:39,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:00:39,340 INFO L85 PathProgramCache]: Analyzing trace with hash 473802101, now seen corresponding path program 1 times [2024-11-24 00:00:39,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:00:39,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610468593] [2024-11-24 00:00:39,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:00:39,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:00:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:00:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 00:00:40,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:00:40,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610468593] [2024-11-24 00:00:40,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610468593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:00:40,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:00:40,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:00:40,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610327488] [2024-11-24 00:00:40,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:00:40,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:00:40,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:00:40,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:00:40,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:00:40,329 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 00:00:40,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:00:40,814 INFO L93 Difference]: Finished difference Result 159 states and 232 transitions. [2024-11-24 00:00:40,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:00:40,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 102 [2024-11-24 00:00:40,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:00:40,818 INFO L225 Difference]: With dead ends: 159 [2024-11-24 00:00:40,818 INFO L226 Difference]: Without dead ends: 112 [2024-11-24 00:00:40,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:00:40,823 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 86 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:00:40,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 223 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:00:40,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-24 00:00:40,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 88. [2024-11-24 00:00:40,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 55 states have (on average 1.2545454545454546) internal successors, (69), 55 states have internal predecessors, (69), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 00:00:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 129 transitions. [2024-11-24 00:00:40,885 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 129 transitions. Word has length 102 [2024-11-24 00:00:40,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:00:40,887 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 129 transitions. [2024-11-24 00:00:40,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 00:00:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2024-11-24 00:00:40,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:00:40,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:00:40,892 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:00:40,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:00:40,892 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:00:40,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:00:40,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2046157833, now seen corresponding path program 1 times [2024-11-24 00:00:40,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:00:40,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889152942] [2024-11-24 00:00:40,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:00:40,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:00:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:00:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 00:00:42,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:00:42,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889152942] [2024-11-24 00:00:42,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889152942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:00:42,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763173269] [2024-11-24 00:00:42,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:00:42,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:00:42,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:00:42,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:00:42,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:00:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:00:42,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 00:00:42,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:00:42,750 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-24 00:00:42,750 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:00:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 00:00:43,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763173269] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:00:43,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:00:43,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 16 [2024-11-24 00:00:43,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408494254] [2024-11-24 00:00:43,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:00:43,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 00:00:43,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:00:43,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 00:00:43,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:00:43,172 INFO L87 Difference]: Start difference. First operand 88 states and 129 transitions. Second operand has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-24 00:00:45,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:00:45,417 INFO L93 Difference]: Finished difference Result 242 states and 337 transitions. [2024-11-24 00:00:45,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-24 00:00:45,419 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 102 [2024-11-24 00:00:45,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:00:45,424 INFO L225 Difference]: With dead ends: 242 [2024-11-24 00:00:45,424 INFO L226 Difference]: Without dead ends: 193 [2024-11-24 00:00:45,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 199 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 386 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2024-11-24 00:00:45,427 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 534 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:00:45,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 459 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 00:00:45,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-24 00:00:45,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 98. [2024-11-24 00:00:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 63 states have internal predecessors, (76), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-24 00:00:45,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 136 transitions. [2024-11-24 00:00:45,509 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 136 transitions. Word has length 102 [2024-11-24 00:00:45,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:00:45,510 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 136 transitions. [2024-11-24 00:00:45,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.875) internal successors, (62), 16 states have internal predecessors, (62), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-24 00:00:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2024-11-24 00:00:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:00:45,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:00:45,513 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:00:45,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:00:45,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:00:45,714 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:00:45,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:00:45,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1366099463, now seen corresponding path program 1 times [2024-11-24 00:00:45,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:00:45,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361811620] [2024-11-24 00:00:45,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:00:45,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:00:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:00:45,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1046877684] [2024-11-24 00:00:45,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:00:45,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:00:45,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:00:45,830 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:00:45,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:00:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:00:46,520 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:00:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:00:46,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:00:46,730 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:00:46,731 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:00:46,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 00:00:46,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:00:46,938 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-24 00:00:47,080 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:00:47,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:00:47 BoogieIcfgContainer [2024-11-24 00:00:47,090 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:00:47,091 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:00:47,091 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:00:47,091 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:00:47,092 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:00:35" (3/4) ... [2024-11-24 00:00:47,096 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:00:47,097 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:00:47,098 INFO L158 Benchmark]: Toolchain (without parser) took 12799.13ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.8MB in the beginning and 233.6MB in the end (delta: -139.7MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2024-11-24 00:00:47,099 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:00:47,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.67ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 79.9MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:00:47,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.13ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:00:47,102 INFO L158 Benchmark]: Boogie Preprocessor took 77.91ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 72.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:00:47,102 INFO L158 Benchmark]: RCFGBuilder took 752.65ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 54.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:00:47,102 INFO L158 Benchmark]: TraceAbstraction took 11448.88ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 54.3MB in the beginning and 233.7MB in the end (delta: -179.3MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-24 00:00:47,103 INFO L158 Benchmark]: Witness Printer took 6.55ms. Allocated memory is still 352.3MB. Free memory was 233.7MB in the beginning and 233.6MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:00:47,108 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 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.67ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 79.9MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.13ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.91ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 72.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 752.65ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 54.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11448.88ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 54.3MB in the beginning and 233.7MB in the end (delta: -179.3MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Witness Printer took 6.55ms. Allocated memory is still 352.3MB. Free memory was 233.7MB in the beginning and 233.6MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 118, overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000; [L23] unsigned char var_1_5 = 1; [L24] unsigned char var_1_6 = 0; [L25] float var_1_7 = 0.6; [L26] unsigned long int var_1_8 = 32; [L27] unsigned long int var_1_9 = 32; [L28] float var_1_11 = 5.5; [L29] unsigned long int var_1_12 = 128; [L30] unsigned char var_1_13 = 16; [L31] unsigned char var_1_14 = 0; [L32] unsigned long int var_1_15 = 8; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] double var_1_18 = 1.8; [L36] double var_1_19 = 4.5; [L37] double var_1_20 = 15.5; [L38] unsigned long int last_1_var_1_1 = 1000; [L39] unsigned char last_1_var_1_5 = 1; [L40] unsigned long int last_1_var_1_12 = 128; [L41] unsigned char last_1_var_1_13 = 16; [L42] unsigned long int last_1_var_1_15 = 8; VAL [isInitial=0, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L122] isInitial = 1 [L123] FCALL initially() [L125] CALL updateLastVariables() [L111] last_1_var_1_1 = var_1_1 [L112] last_1_var_1_5 = var_1_5 [L113] last_1_var_1_12 = var_1_12 [L114] last_1_var_1_13 = var_1_13 [L115] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L125] RET updateLastVariables() [L126] CALL updateVariables() [L86] var_1_6 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L87] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_7=3/5, var_1_8=32, var_1_9=32] [L88] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L88] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=32, var_1_9=32] [L89] var_1_8 = __VERIFIER_nondet_ulong() [L90] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L90] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L91] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L91] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_9=32] [L92] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=32] [L92] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=32] [L93] var_1_9 = __VERIFIER_nondet_ulong() [L94] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1] [L94] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1] [L95] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1] [L95] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1] [L96] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L96] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=11/2, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L97] var_1_11 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L98] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=0, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L99] var_1_14 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L100] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L101] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L101] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L102] var_1_17 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L103] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L104] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L104] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_19=9/2, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L105] var_1_19 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L106] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_20=31/2, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L107] var_1_20 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L108] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L126] RET updateVariables() [L127] CALL step() [L46] signed long int stepLocal_1 = last_1_var_1_13; [L47] signed long int stepLocal_0 = last_1_var_1_13; VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_1=16, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L48] COND TRUE stepLocal_1 < ((- last_1_var_1_12) * 64) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=1000, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L49] COND TRUE \read(last_1_var_1_5) [L50] var_1_1 = ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L59] unsigned long int stepLocal_2 = last_1_var_1_15 + last_1_var_1_1; VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_2=1008, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=1, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L60] COND TRUE last_1_var_1_13 <= stepLocal_2 [L61] var_1_5 = ((last_1_var_1_15 == last_1_var_1_13) && var_1_6) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L65] unsigned char stepLocal_3 = var_1_5; VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, stepLocal_3=0, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L66] COND FALSE !(stepLocal_3 || var_1_17) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=16, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L69] var_1_13 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L70] var_1_16 = (var_1_6 && var_1_17) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=0, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L71] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_12=128, var_1_13=0, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=3/5, var_1_8=1, var_1_9=33] [L74] COND FALSE !((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) [L79] var_1_7 = var_1_11 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=1, var_1_9=33] [L81] COND TRUE var_1_7 <= (- (32.8f + var_1_7)) [L82] var_1_12 = last_1_var_1_12 VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, stepLocal_0=16, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=1, var_1_9=33] [L127] RET step() [L128] CALL, EXPR property() [L118-L119] return ((((((((last_1_var_1_13 < ((- last_1_var_1_12) * 64)) ? (last_1_var_1_5 ? (var_1_1 == ((unsigned long int) ((((last_1_var_1_12) < 0 ) ? -(last_1_var_1_12) : (last_1_var_1_12))))) : ((-10000000 < last_1_var_1_13) ? (var_1_1 == ((unsigned long int) (((((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) < 0 ) ? -((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))) : ((((last_1_var_1_12) > (5u)) ? (last_1_var_1_12) : (5u))))))) : (var_1_1 == ((unsigned long int) 50u)))) : 1) && ((last_1_var_1_13 <= (last_1_var_1_15 + last_1_var_1_1)) ? (var_1_5 == ((unsigned char) ((last_1_var_1_15 == last_1_var_1_13) && var_1_6))) : (var_1_5 == ((unsigned char) var_1_6)))) && (((var_1_15 + (var_1_15 * var_1_13)) <= ((32u / var_1_8) / var_1_9)) ? ((1.25f < var_1_18) ? (var_1_7 == ((float) 1000000.1f)) : 1) : (var_1_7 == ((float) var_1_11)))) && ((var_1_7 <= (- (32.8f + var_1_7))) ? (var_1_12 == ((unsigned long int) last_1_var_1_12)) : 1)) && (var_1_13 == ((unsigned char) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) && (var_1_5 ? (var_1_15 == ((unsigned long int) ((((var_1_1) > ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))))) ? (var_1_1) : ((var_1_13 + ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))))))) : 1)) && (var_1_16 == ((unsigned char) (var_1_6 && var_1_17)))) && ((var_1_5 || var_1_17) ? (var_1_18 == ((double) ((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) + var_1_20) - 63.6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=1, var_1_9=33] [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=1, var_1_9=33] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=128, last_1_var_1_13=16, last_1_var_1_15=8, last_1_var_1_1=1000, last_1_var_1_5=1, var_1_11=2, var_1_12=128, var_1_13=0, var_1_14=-256, var_1_15=8, var_1_16=0, var_1_17=0, var_1_18=9/5, var_1_1=128, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=1, var_1_9=33] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 5, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 689 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 676 mSDsluCounter, 974 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 716 mSDsCounter, 351 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 600 IncrementalHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 351 mSolverCounterUnsat, 258 mSDtfsCounter, 600 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 309 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=4, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 137 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 813 NumberOfCodeBlocks, 813 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 704 ConstructedInterpolants, 0 QuantifiedInterpolants, 2988 SizeOfPredicates, 3 NumberOfNonLiveVariables, 522 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 2894/2940 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:00:47,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-85.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC --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 fa19e892477824f75c959017883cbc59eb6b8cc4187b0110b6dd88936ed3ccab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:00:50,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:00:50,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:00:50,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:00:50,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:00:50,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:00:50,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:00:50,506 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:00:50,506 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:00:50,506 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:00:50,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:00:50,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:00:50,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:00:50,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:00:50,508 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:00:50,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:00:50,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:00:50,508 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:00:50,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:00:50,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:00:50,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:00:50,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:00:50,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:00:50,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:00:50,510 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:00:50,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:00:50,510 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:00:50,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:00:50,510 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:00:50,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:00:50,511 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:00:50,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:00:50,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:00:50,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:00:50,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:00:50,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:00:50,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:00:50,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:00:50,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:00:50,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:00:50,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:00:50,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:00:50,513 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:00:50,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:00:50,513 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:00:50,513 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:00:50,514 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:00:50,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:00:50,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:00:50,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:00:50,514 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_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC 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 -> fa19e892477824f75c959017883cbc59eb6b8cc4187b0110b6dd88936ed3ccab [2024-11-24 00:00:50,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:00:50,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:00:50,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:00:50,942 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:00:50,943 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:00:50,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-85.i [2024-11-24 00:00:54,698 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/data/7945ceffe/0b721cbcf37646a0a2f34f882518df33/FLAGf564acc12 [2024-11-24 00:00:55,100 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:00:55,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-85.i [2024-11-24 00:00:55,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/data/7945ceffe/0b721cbcf37646a0a2f34f882518df33/FLAGf564acc12 [2024-11-24 00:00:55,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/data/7945ceffe/0b721cbcf37646a0a2f34f882518df33 [2024-11-24 00:00:55,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:00:55,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:00:55,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:00:55,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:00:55,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:00:55,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f0012b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55, skipping insertion in model container [2024-11-24 00:00:55,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,199 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:00:55,421 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_58215185-74e3-4fd0-837d-b2adb5a7c13c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-85.i[915,928] [2024-11-24 00:00:55,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:00:55,573 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:00:55,590 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_58215185-74e3-4fd0-837d-b2adb5a7c13c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-85.i[915,928] [2024-11-24 00:00:55,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:00:55,694 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:00:55,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55 WrapperNode [2024-11-24 00:00:55,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:00:55,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:00:55,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:00:55,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:00:55,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,764 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-11-24 00:00:55,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:00:55,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:00:55,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:00:55,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:00:55,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,805 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]. [2024-11-24 00:00:55,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,824 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:00:55,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:00:55,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:00:55,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:00:55,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (1/1) ... [2024-11-24 00:00:55,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:00:55,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:00:55,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:00:55,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:00:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:00:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:00:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:00:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:00:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:00:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:00:56,092 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:00:56,094 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:01:00,268 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-24 00:01:00,269 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:01:00,286 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:01:00,287 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:01:00,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:01:00 BoogieIcfgContainer [2024-11-24 00:01:00,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:01:00,291 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:01:00,291 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:01:00,298 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:01:00,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:00:55" (1/3) ... [2024-11-24 00:01:00,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb91644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:01:00, skipping insertion in model container [2024-11-24 00:01:00,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:00:55" (2/3) ... [2024-11-24 00:01:00,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb91644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:01:00, skipping insertion in model container [2024-11-24 00:01:00,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:01:00" (3/3) ... [2024-11-24 00:01:00,301 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-85.i [2024-11-24 00:01:00,320 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:01:00,322 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-85.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:01:00,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:01:00,419 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;@768ab133, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:01:00,420 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:01:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 00:01:00,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:01:00,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:00,441 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:01:00,442 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:01:00,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:00,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1458547587, now seen corresponding path program 1 times [2024-11-24 00:01:00,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:01:00,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80676608] [2024-11-24 00:01:00,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:00,466 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 [2024-11-24 00:01:00,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:01:00,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:01:00,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:01:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:01,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:01:01,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-24 00:01:01,091 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:01:01,095 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:01:01,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80676608] [2024-11-24 00:01:01,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80676608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:01,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:01:01,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:01:01,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681049922] [2024-11-24 00:01:01,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:01,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:01:01,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:01:01,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:01:01,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:01:01,138 INFO L87 Difference]: Start difference. First operand has 54 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 00:01:01,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:01,170 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-24 00:01:01,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:01:01,172 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2024-11-24 00:01:01,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:01,180 INFO L225 Difference]: With dead ends: 101 [2024-11-24 00:01:01,181 INFO L226 Difference]: Without dead ends: 50 [2024-11-24 00:01:01,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:01:01,188 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:01:01,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:01:01,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-24 00:01:01,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-24 00:01:01,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 00:01:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-24 00:01:01,251 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 101 [2024-11-24 00:01:01,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:01,252 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-24 00:01:01,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 00:01:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-24 00:01:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 00:01:01,257 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:01,257 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:01:01,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:01:01,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:01:01,459 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:01:01,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:01,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1039911609, now seen corresponding path program 1 times [2024-11-24 00:01:01,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:01:01,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547607089] [2024-11-24 00:01:01,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:01,465 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 [2024-11-24 00:01:01,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:01:01,474 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:01:01,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:01:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:02,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:01:02,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-24 00:01:03,042 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:01:03,042 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:01:03,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547607089] [2024-11-24 00:01:03,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1547607089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:03,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:01:03,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:01:03,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274072840] [2024-11-24 00:01:03,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:03,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:01:03,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:01:03,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:01:03,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:03,049 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 00:01:05,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:01:05,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:05,627 INFO L93 Difference]: Finished difference Result 97 states and 143 transitions. [2024-11-24 00:01:05,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:01:05,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2024-11-24 00:01:05,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:05,650 INFO L225 Difference]: With dead ends: 97 [2024-11-24 00:01:05,650 INFO L226 Difference]: Without dead ends: 50 [2024-11-24 00:01:05,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:01:05,652 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 66 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:01:05,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 100 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-24 00:01:05,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-24 00:01:05,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-24 00:01:05,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 00:01:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-24 00:01:05,676 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 101 [2024-11-24 00:01:05,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:05,680 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-24 00:01:05,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-24 00:01:05,681 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-24 00:01:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:01:05,686 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:05,687 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:01:05,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0 [2024-11-24 00:01:05,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:01:05,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:01:05,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:05,889 INFO L85 PathProgramCache]: Analyzing trace with hash 473802101, now seen corresponding path program 1 times [2024-11-24 00:01:05,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:01:05,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [712837959] [2024-11-24 00:01:05,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:05,890 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 [2024-11-24 00:01:05,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:01:05,893 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:01:05,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 00:01:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:06,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:01:06,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:08,770 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-24 00:01:08,770 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:01:10,186 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 00:01:10,186 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:01:10,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [712837959] [2024-11-24 00:01:10,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [712837959] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:01:10,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:01:10,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2024-11-24 00:01:10,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608355889] [2024-11-24 00:01:10,187 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:01:10,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:01:10,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:01:10,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:01:10,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:01:10,193 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-24 00:01:13,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:01:15,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:01:17,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:01:19,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:01:20,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:20,396 INFO L93 Difference]: Finished difference Result 207 states and 298 transitions. [2024-11-24 00:01:20,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:01:20,397 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 102 [2024-11-24 00:01:20,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:20,401 INFO L225 Difference]: With dead ends: 207 [2024-11-24 00:01:20,401 INFO L226 Difference]: Without dead ends: 160 [2024-11-24 00:01:20,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:01:20,403 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 362 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:01:20,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 401 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2024-11-24 00:01:20,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-24 00:01:20,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 124. [2024-11-24 00:01:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 79 states have internal predecessors, (96), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-24 00:01:20,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 178 transitions. [2024-11-24 00:01:20,462 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 178 transitions. Word has length 102 [2024-11-24 00:01:20,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:20,463 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 178 transitions. [2024-11-24 00:01:20,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (30), 3 states have call predecessors, (30), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-24 00:01:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 178 transitions. [2024-11-24 00:01:20,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-24 00:01:20,468 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:20,468 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:01:20,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-24 00:01:20,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:01:20,669 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:01:20,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:20,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1366099463, now seen corresponding path program 1 times [2024-11-24 00:01:20,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:01:20,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571872935] [2024-11-24 00:01:20,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:20,671 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 [2024-11-24 00:01:20,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:01:20,675 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:01:20,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58215185-74e3-4fd0-837d-b2adb5a7c13c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-24 00:01:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:21,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-24 00:01:21,226 INFO L279 TraceCheckSpWp]: Computing forward predicates...