./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.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_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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_34762cbe-47d3-4669-98c7-0b390340e4fb/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 0ce8f9d56950a61012d16c3deec2b59360956b1e8229734083c81e4fcd457d6a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:49:23,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:49:23,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:49:23,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:49:23,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:49:23,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:49:23,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:49:23,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:49:23,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:49:23,818 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:49:23,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:49:23,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:49:23,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:49:23,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:49:23,820 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:49:23,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:49:23,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:49:23,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:49:23,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:49:23,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:49:23,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:49:23,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:49:23,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:49:23,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:49:23,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:49:23,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:49:23,822 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:49:23,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:49:23,823 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:49:23,823 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:49:23,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:49:23,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:49:23,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:49:23,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:49:23,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:49:23,824 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:49:23,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:49:23,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:49:23,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:49:23,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:49:23,825 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:49:23,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:49:23,825 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:49:23,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:49:23,825 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:49:23,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:49:23,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:49:23,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:49:23,826 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_34762cbe-47d3-4669-98c7-0b390340e4fb/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 -> 0ce8f9d56950a61012d16c3deec2b59360956b1e8229734083c81e4fcd457d6a [2024-11-23 23:49:24,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:49:24,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:49:24,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:49:24,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:49:24,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:49:24,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i [2024-11-23 23:49:27,479 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/data/1518c3d36/95ce9b8a310546fc942280a3d48d69b1/FLAG38d016c50 [2024-11-23 23:49:27,817 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:49:27,819 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i [2024-11-23 23:49:27,833 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/data/1518c3d36/95ce9b8a310546fc942280a3d48d69b1/FLAG38d016c50 [2024-11-23 23:49:27,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/data/1518c3d36/95ce9b8a310546fc942280a3d48d69b1 [2024-11-23 23:49:27,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:49:27,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:49:27,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:49:27,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:49:27,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:49:27,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:49:27" (1/1) ... [2024-11-23 23:49:27,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1062051d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:27, skipping insertion in model container [2024-11-23 23:49:27,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:49:27" (1/1) ... [2024-11-23 23:49:27,932 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:49:28,132 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_34762cbe-47d3-4669-98c7-0b390340e4fb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i[913,926] [2024-11-23 23:49:28,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:49:28,236 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:49:28,255 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_34762cbe-47d3-4669-98c7-0b390340e4fb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i[913,926] [2024-11-23 23:49:28,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:49:28,325 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:49:28,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28 WrapperNode [2024-11-23 23:49:28,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:49:28,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:49:28,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:49:28,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:49:28,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,401 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-23 23:49:28,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:49:28,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:49:28,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:49:28,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:49:28,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,442 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]. [2024-11-23 23:49:28,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,454 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:49:28,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:49:28,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:49:28,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:49:28,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (1/1) ... [2024-11-23 23:49:28,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:49:28,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:49:28,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:49:28,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:49:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:49:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:49:28,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:49:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:49:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:49:28,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:49:28,676 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:49:28,678 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:49:28,964 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-23 23:49:28,964 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:49:28,976 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:49:28,977 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:49:28,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:28 BoogieIcfgContainer [2024-11-23 23:49:28,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:49:28,980 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:49:28,980 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:49:28,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:49:28,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:49:27" (1/3) ... [2024-11-23 23:49:28,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692b9057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:49:28, skipping insertion in model container [2024-11-23 23:49:28,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:28" (2/3) ... [2024-11-23 23:49:28,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692b9057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:49:28, skipping insertion in model container [2024-11-23 23:49:28,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:28" (3/3) ... [2024-11-23 23:49:28,990 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-68.i [2024-11-23 23:49:29,011 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:49:29,014 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-68.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:49:29,115 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:49:29,135 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;@598b93e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:49:29,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:49:29,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 23:49:29,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 23:49:29,155 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:29,156 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:49:29,157 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:49:29,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:29,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1857079027, now seen corresponding path program 1 times [2024-11-23 23:49:29,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:49:29,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317209853] [2024-11-23 23:49:29,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:29,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:49:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:29,544 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-23 23:49:29,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:49:29,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317209853] [2024-11-23 23:49:29,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317209853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:49:29,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419160309] [2024-11-23 23:49:29,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:29,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:49:29,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:49:29,556 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:49:29,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:49:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:29,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:49:29,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:49:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-23 23:49:29,857 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:49:29,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419160309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:49:29,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:49:29,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:49:29,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322399202] [2024-11-23 23:49:29,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:49:29,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:49:29,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:49:29,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:49:29,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:49:29,902 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:49:29,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:49:29,941 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-23 23:49:29,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:49:29,947 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2024-11-23 23:49:29,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:49:29,957 INFO L225 Difference]: With dead ends: 101 [2024-11-23 23:49:29,957 INFO L226 Difference]: Without dead ends: 50 [2024-11-23 23:49:29,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:49:29,968 INFO L435 NwaCegarLoop]: 72 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, 72 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 [2024-11-23 23:49:29,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:49:29,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-23 23:49:30,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-23 23:49:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 23:49:30,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-23 23:49:30,036 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 110 [2024-11-23 23:49:30,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:49:30,038 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-23 23:49:30,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:49:30,039 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-23 23:49:30,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 23:49:30,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:30,043 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:49:30,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:49:30,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:49:30,248 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:49:30,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:30,249 INFO L85 PathProgramCache]: Analyzing trace with hash -251879665, now seen corresponding path program 1 times [2024-11-23 23:49:30,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:49:30,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660400405] [2024-11-23 23:49:30,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:30,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:49:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 23:49:30,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:49:30,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660400405] [2024-11-23 23:49:30,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660400405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:49:30,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:49:30,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:49:30,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893960499] [2024-11-23 23:49:30,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:49:30,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:49:30,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:49:30,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:49:30,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:49:30,692 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 23:49:30,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:49:30,751 INFO L93 Difference]: Finished difference Result 97 states and 141 transitions. [2024-11-23 23:49:30,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:49:30,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 110 [2024-11-23 23:49:30,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:49:30,754 INFO L225 Difference]: With dead ends: 97 [2024-11-23 23:49:30,754 INFO L226 Difference]: Without dead ends: 50 [2024-11-23 23:49:30,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:49:30,759 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:49:30,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:49:30,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-23 23:49:30,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-23 23:49:30,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 23:49:30,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2024-11-23 23:49:30,777 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 110 [2024-11-23 23:49:30,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:49:30,779 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2024-11-23 23:49:30,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 23:49:30,780 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-23 23:49:30,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 23:49:30,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:30,781 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:49:30,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:49:30,782 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:49:30,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:30,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1061226291, now seen corresponding path program 1 times [2024-11-23 23:49:30,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:49:30,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542147194] [2024-11-23 23:49:30,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:30,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:49:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:49:31,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559394657] [2024-11-23 23:49:31,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:31,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:49:31,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:49:31,114 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:49:31,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:49:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:49:31,336 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:49:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:49:31,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:49:31,470 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:49:31,471 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:49:31,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:49:31,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:49:31,679 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-23 23:49:31,819 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:49:31,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:49:31 BoogieIcfgContainer [2024-11-23 23:49:31,823 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:49:31,823 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:49:31,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:49:31,824 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:49:31,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:28" (3/4) ... [2024-11-23 23:49:31,827 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:49:31,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:49:31,833 INFO L158 Benchmark]: Toolchain (without parser) took 3967.67ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 96.0MB in the end (delta: 23.4MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-11-23 23:49:31,834 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:49:31,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.62ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 106.2MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:49:31,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.95ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 104.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:49:31,835 INFO L158 Benchmark]: Boogie Preprocessor took 71.06ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:49:31,835 INFO L158 Benchmark]: RCFGBuilder took 503.63ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 87.0MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:49:31,835 INFO L158 Benchmark]: TraceAbstraction took 2842.49ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 96.0MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:49:31,836 INFO L158 Benchmark]: Witness Printer took 8.94ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 96.0MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:49:31,840 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.62ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 106.2MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.95ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 104.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.06ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 503.63ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 87.0MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2842.49ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 96.0MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.94ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 96.0MB in the end (delta: 24.0kB). 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 77, overapproximation of someBinaryFLOATComparisonOperation at line 75, overapproximation of someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] float var_1_2 = 64.5; [L24] float var_1_3 = 16.8; [L25] signed long int var_1_8 = 10; [L26] unsigned char var_1_9 = 0; [L27] double var_1_10 = 25.5; [L28] double var_1_11 = 9999999999999.729; [L29] double var_1_12 = 999.8; [L30] signed short int var_1_13 = -25; [L31] signed short int var_1_14 = -64; [L32] signed short int var_1_15 = 0; [L33] signed short int var_1_16 = -8; [L34] signed long int var_1_17 = 5; [L35] unsigned long int var_1_18 = 0; [L36] unsigned long int var_1_19 = 8; [L37] float var_1_20 = 32.375; [L38] signed long int var_1_21 = -10; [L39] signed short int last_1_var_1_13 = -25; [L40] signed long int last_1_var_1_17 = 5; VAL [isInitial=0, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_2=129/2, var_1_3=84/5, var_1_8=10, var_1_9=0] [L111] isInitial = 1 [L112] FCALL initially() [L114] CALL updateLastVariables() [L103] last_1_var_1_13 = var_1_13 [L104] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_2=129/2, var_1_3=84/5, var_1_8=10, var_1_9=0] [L114] RET updateLastVariables() [L115] CALL updateVariables() [L74] var_1_2 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_3=84/5, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_3=84/5, var_1_8=10, var_1_9=0] [L75] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_3=84/5, var_1_8=10, var_1_9=0] [L76] var_1_3 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=10, var_1_9=0] [L77] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=10, var_1_9=0] [L78] var_1_8 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L79] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L80] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L81] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L82] var_1_9 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2] [L83] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2] [L84] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L84] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=9999999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L85] var_1_11 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_11 >= 0.0F && 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_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L86] RET assume_abort_if_not((var_1_11 >= 0.0F && 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_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L87] var_1_12 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L88] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L89] var_1_14 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_14 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L90] RET assume_abort_if_not(var_1_14 >= -8191) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_14 <= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L91] RET assume_abort_if_not(var_1_14 <= 8192) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L92] var_1_15 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_15 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L93] RET assume_abort_if_not(var_1_15 >= -8191) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_15 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L94] RET assume_abort_if_not(var_1_15 <= 8191) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L95] var_1_16 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_16 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L96] RET assume_abort_if_not(var_1_16 >= -16383) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_16 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L97] RET assume_abort_if_not(var_1_16 <= 16383) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L98] var_1_19 = __VERIFIER_nondet_ulong() [L99] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L99] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L100] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L115] RET updateVariables() [L116] CALL step() [L44] signed long int stepLocal_2 = var_1_8 + last_1_var_1_17; VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_2=7, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L45] COND FALSE !(\read(var_1_9)) [L52] var_1_13 = var_1_15 VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_2=7, var_1_10=51/2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L54] var_1_17 = (var_1_13 + var_1_14) [L55] var_1_18 = var_1_19 [L56] var_1_20 = var_1_12 [L57] var_1_21 = var_1_17 [L58] signed long int stepLocal_1 = var_1_17; VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_1=1, stepLocal_2=7, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L59] COND FALSE !(stepLocal_1 != var_1_21) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_2=7, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L62] unsigned long int stepLocal_0 = var_1_18 + var_1_21; VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_0=1, stepLocal_2=7, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L63] COND TRUE (var_1_2 - var_1_3) >= var_1_10 VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_0=1, stepLocal_2=7, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L64] COND TRUE stepLocal_0 >= (var_1_13 / var_1_8) [L65] var_1_1 = ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_2=7, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L116] RET step() [L117] CALL, EXPR property() [L107-L108] return ((((((((var_1_2 - var_1_3) >= var_1_10) ? (((var_1_18 + var_1_21) >= (var_1_13 / var_1_8)) ? (var_1_1 == ((signed long int) ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))))) : 1) : (var_1_9 ? (var_1_1 == ((signed long int) ((((var_1_21) > (var_1_18)) ? (var_1_21) : (var_1_18))))) : 1)) && ((var_1_17 != var_1_21) ? (var_1_10 == ((double) (var_1_11 - var_1_12))) : 1)) && (var_1_9 ? ((last_1_var_1_13 <= (var_1_8 + last_1_var_1_17)) ? (var_1_13 == ((signed short int) ((var_1_14 + var_1_15) + var_1_16))) : (var_1_13 == ((signed short int) var_1_15))) : (var_1_13 == ((signed short int) var_1_15)))) && (var_1_17 == ((signed long int) (var_1_13 + var_1_14)))) && (var_1_18 == ((unsigned long int) var_1_19))) && (var_1_20 == ((float) var_1_12))) && (var_1_21 == ((signed long int) var_1_17)) ; VAL [\result=0, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 205 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 142 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 550 NumberOfCodeBlocks, 550 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 327 ConstructedInterpolants, 0 QuantifiedInterpolants, 329 SizeOfPredicates, 0 NumberOfNonLiveVariables, 271 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1600/1632 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 [2024-11-23 23:49:31,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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_34762cbe-47d3-4669-98c7-0b390340e4fb/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 0ce8f9d56950a61012d16c3deec2b59360956b1e8229734083c81e4fcd457d6a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:49:34,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:49:35,120 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:49:35,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:49:35,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:49:35,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:49:35,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:49:35,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:49:35,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:49:35,168 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:49:35,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:49:35,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:49:35,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:49:35,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:49:35,168 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:49:35,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:49:35,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:49:35,169 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:49:35,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:49:35,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:49:35,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:49:35,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:49:35,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:49:35,170 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:49:35,170 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:49:35,170 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:49:35,170 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:49:35,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:49:35,170 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:49:35,170 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:49:35,171 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:49:35,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:49:35,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:49:35,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:49:35,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:49:35,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:49:35,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:49:35,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:49:35,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:49:35,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:49:35,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:49:35,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:49:35,172 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:49:35,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:49:35,172 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:49:35,172 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:49:35,173 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:49:35,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:49:35,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:49:35,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:49:35,173 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_34762cbe-47d3-4669-98c7-0b390340e4fb/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 -> 0ce8f9d56950a61012d16c3deec2b59360956b1e8229734083c81e4fcd457d6a [2024-11-23 23:49:35,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:49:35,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:49:35,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:49:35,544 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:49:35,545 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:49:35,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i [2024-11-23 23:49:38,889 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/data/ac12e3d2a/7bfe5663bb63415797e54f0d99aaf0d9/FLAG6afff7cb6 [2024-11-23 23:49:39,258 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:49:39,259 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i [2024-11-23 23:49:39,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/data/ac12e3d2a/7bfe5663bb63415797e54f0d99aaf0d9/FLAG6afff7cb6 [2024-11-23 23:49:39,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/data/ac12e3d2a/7bfe5663bb63415797e54f0d99aaf0d9 [2024-11-23 23:49:39,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:49:39,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:49:39,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:49:39,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:49:39,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:49:39,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fdaaa89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39, skipping insertion in model container [2024-11-23 23:49:39,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:49:39,517 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_34762cbe-47d3-4669-98c7-0b390340e4fb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i[913,926] [2024-11-23 23:49:39,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:49:39,588 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:49:39,602 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-68.i[913,926] [2024-11-23 23:49:39,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:49:39,653 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:49:39,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39 WrapperNode [2024-11-23 23:49:39,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:49:39,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:49:39,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:49:39,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:49:39,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,715 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-23 23:49:39,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:49:39,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:49:39,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:49:39,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:49:39,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,730 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,748 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]. [2024-11-23 23:49:39,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,759 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:49:39,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:49:39,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:49:39,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:49:39,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (1/1) ... [2024-11-23 23:49:39,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:49:39,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:49:39,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:49:39,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:49:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:49:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:49:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:49:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:49:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:49:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:49:39,994 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:49:39,996 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:49:43,984 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-23 23:49:43,984 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:49:43,996 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:49:43,997 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:49:43,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:43 BoogieIcfgContainer [2024-11-23 23:49:43,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:49:44,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:49:44,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:49:44,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:49:44,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:49:39" (1/3) ... [2024-11-23 23:49:44,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151d4258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:49:44, skipping insertion in model container [2024-11-23 23:49:44,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:39" (2/3) ... [2024-11-23 23:49:44,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151d4258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:49:44, skipping insertion in model container [2024-11-23 23:49:44,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:43" (3/3) ... [2024-11-23 23:49:44,014 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-68.i [2024-11-23 23:49:44,034 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:49:44,037 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-68.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:49:44,145 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:49:44,166 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;@78d54c27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:49:44,166 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:49:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 23:49:44,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 23:49:44,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:44,187 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:49:44,188 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:49:44,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:44,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1857079027, now seen corresponding path program 1 times [2024-11-23 23:49:44,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:49:44,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988188758] [2024-11-23 23:49:44,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:44,207 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 [2024-11-23 23:49:44,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:49:44,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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) [2024-11-23 23:49:44,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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 [2024-11-23 23:49:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:44,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:49:44,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:49:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-11-23 23:49:44,713 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:49:44,717 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:49:44,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988188758] [2024-11-23 23:49:44,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988188758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:49:44,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:49:44,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:49:44,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193602319] [2024-11-23 23:49:44,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:49:44,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:49:44,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:49:44,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:49:44,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:49:44,755 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:49:44,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:49:44,790 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-23 23:49:44,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:49:44,793 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2024-11-23 23:49:44,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:49:44,805 INFO L225 Difference]: With dead ends: 101 [2024-11-23 23:49:44,807 INFO L226 Difference]: Without dead ends: 50 [2024-11-23 23:49:44,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:49:44,817 INFO L435 NwaCegarLoop]: 72 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, 72 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 [2024-11-23 23:49:44,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:49:44,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-23 23:49:44,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-23 23:49:44,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 23:49:44,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-23 23:49:44,884 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 110 [2024-11-23 23:49:44,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:49:44,886 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-23 23:49:44,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:49:44,887 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-23 23:49:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 23:49:44,891 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:44,891 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:49:44,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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)] Forceful destruction successful, exit code 0 [2024-11-23 23:49:45,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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 [2024-11-23 23:49:45,093 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:49:45,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:45,094 INFO L85 PathProgramCache]: Analyzing trace with hash -251879665, now seen corresponding path program 1 times [2024-11-23 23:49:45,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:49:45,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480250907] [2024-11-23 23:49:45,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:45,097 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 [2024-11-23 23:49:45,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:49:45,100 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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) [2024-11-23 23:49:45,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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 [2024-11-23 23:49:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:45,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:49:45,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:49:45,613 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-23 23:49:45,613 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:49:45,613 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:49:45,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480250907] [2024-11-23 23:49:45,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480250907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:49:45,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:49:45,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:49:45,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658448689] [2024-11-23 23:49:45,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:49:45,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:49:45,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:49:45,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:49:45,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:49:45,618 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 23:49:48,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:49:48,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:49:48,543 INFO L93 Difference]: Finished difference Result 97 states and 141 transitions. [2024-11-23 23:49:48,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:49:48,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 110 [2024-11-23 23:49:48,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:49:48,566 INFO L225 Difference]: With dead ends: 97 [2024-11-23 23:49:48,566 INFO L226 Difference]: Without dead ends: 50 [2024-11-23 23:49:48,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:49:48,568 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:49:48,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-23 23:49:48,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-23 23:49:48,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-23 23:49:48,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-23 23:49:48,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2024-11-23 23:49:48,580 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 110 [2024-11-23 23:49:48,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:49:48,582 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2024-11-23 23:49:48,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-23 23:49:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-23 23:49:48,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 23:49:48,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:48,585 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:49:48,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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)] Ended with exit code 0 [2024-11-23 23:49:48,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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 [2024-11-23 23:49:48,786 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:49:48,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:48,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1061226291, now seen corresponding path program 1 times [2024-11-23 23:49:48,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:49:48,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202677570] [2024-11-23 23:49:48,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:48,788 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 [2024-11-23 23:49:48,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:49:48,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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) [2024-11-23 23:49:48,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34762cbe-47d3-4669-98c7-0b390340e4fb/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 [2024-11-23 23:49:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:49,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:49:49,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:56:18,153 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:56:23,479 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 23:57:26,695 WARN L286 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:00:29,107 WARN L286 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:00:34,828 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:00:45,010 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:02:20,886 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:03:29,159 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)