./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.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_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/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_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/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_b52131f5-444e-4c4f-9d7e-72119065fa3d/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 8fde2e0ff620a40080e503c7a3f660bc2cd4630a73841f8ba1f9b25a52fdc475 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:29:37,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:29:37,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:29:37,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:29:37,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:29:37,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:29:37,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:29:37,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:29:37,712 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:29:37,712 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:29:37,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:29:37,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:29:37,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:29:37,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:29:37,713 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:29:37,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:29:37,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:29:37,714 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:29:37,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:29:37,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:29:37,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:29:37,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:29:37,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:29:37,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:29:37,715 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:29:37,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:29:37,715 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:29:37,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:29:37,716 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:29:37,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:29:37,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:29:37,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:29:37,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:29:37,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:29:37,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:29:37,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:29:37,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:29:37,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:29:37,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:29:37,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:29:37,718 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:29:37,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:29:37,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:29:37,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:29:37,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:29:37,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:29:37,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:29:37,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:29:37,719 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/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 -> 8fde2e0ff620a40080e503c7a3f660bc2cd4630a73841f8ba1f9b25a52fdc475 [2024-11-23 18:29:38,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:29:38,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:29:38,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:29:38,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:29:38,121 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:29:38,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i [2024-11-23 18:29:41,754 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/data/3fa6e97ed/af747674bcbf423e89362e18ae403bb4/FLAGd76dc045e [2024-11-23 18:29:42,211 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:29:42,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i [2024-11-23 18:29:42,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/data/3fa6e97ed/af747674bcbf423e89362e18ae403bb4/FLAGd76dc045e [2024-11-23 18:29:42,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/data/3fa6e97ed/af747674bcbf423e89362e18ae403bb4 [2024-11-23 18:29:42,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:29:42,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:29:42,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:29:42,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:29:42,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:29:42,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b50b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42, skipping insertion in model container [2024-11-23 18:29:42,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:29:42,456 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_b52131f5-444e-4c4f-9d7e-72119065fa3d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i[913,926] [2024-11-23 18:29:42,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:29:42,561 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:29:42,573 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_b52131f5-444e-4c4f-9d7e-72119065fa3d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i[913,926] [2024-11-23 18:29:42,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:29:42,645 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:29:42,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42 WrapperNode [2024-11-23 18:29:42,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:29:42,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:29:42,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:29:42,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:29:42,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,733 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2024-11-23 18:29:42,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:29:42,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:29:42,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:29:42,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:29:42,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,756 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,785 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 18:29:42,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,809 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:29:42,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:29:42,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:29:42,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:29:42,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (1/1) ... [2024-11-23 18:29:42,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:29:42,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:29:42,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:29:42,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:29:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:29:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:29:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:29:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:29:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:29:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:29:43,020 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:29:43,022 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:29:43,712 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-23 18:29:43,712 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:29:43,729 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:29:43,733 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:29:43,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:29:43 BoogieIcfgContainer [2024-11-23 18:29:43,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:29:43,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:29:43,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:29:43,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:29:43,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:29:42" (1/3) ... [2024-11-23 18:29:43,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3e261f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:29:43, skipping insertion in model container [2024-11-23 18:29:43,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:42" (2/3) ... [2024-11-23 18:29:43,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a3e261f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:29:43, skipping insertion in model container [2024-11-23 18:29:43,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:29:43" (3/3) ... [2024-11-23 18:29:43,754 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-83.i [2024-11-23 18:29:43,776 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:29:43,780 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-83.i that has 2 procedures, 78 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:29:43,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:29:43,899 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;@36e34d26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:29:43,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:29:43,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-23 18:29:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-23 18:29:43,918 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:29:43,918 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:29:43,919 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:29:43,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:29:43,926 INFO L85 PathProgramCache]: Analyzing trace with hash 835038438, now seen corresponding path program 1 times [2024-11-23 18:29:43,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:29:43,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479430171] [2024-11-23 18:29:43,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:43,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:29:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:29:44,453 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-23 18:29:44,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:29:44,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479430171] [2024-11-23 18:29:44,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479430171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:29:44,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367106150] [2024-11-23 18:29:44,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:44,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:29:44,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:29:44,458 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:29:44,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:29:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:29:44,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:29:44,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:29:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-23 18:29:44,822 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:29:44,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367106150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:29:44,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:29:44,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 18:29:44,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225840574] [2024-11-23 18:29:44,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:29:44,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:29:44,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:29:44,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:29:44,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:29:44,866 INFO L87 Difference]: Start difference. First operand has 78 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-23 18:29:44,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:29:44,917 INFO L93 Difference]: Finished difference Result 149 states and 253 transitions. [2024-11-23 18:29:44,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:29:44,921 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2024-11-23 18:29:44,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:29:44,932 INFO L225 Difference]: With dead ends: 149 [2024-11-23 18:29:44,932 INFO L226 Difference]: Without dead ends: 74 [2024-11-23 18:29:44,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 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 18:29:44,944 INFO L435 NwaCegarLoop]: 113 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, 113 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 18:29:44,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:29:44,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-23 18:29:45,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-23 18:29:45,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 states have internal predecessors, (75), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-23 18:29:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 113 transitions. [2024-11-23 18:29:45,026 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 113 transitions. Word has length 124 [2024-11-23 18:29:45,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:29:45,027 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 113 transitions. [2024-11-23 18:29:45,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-23 18:29:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2024-11-23 18:29:45,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-23 18:29:45,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:29:45,036 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:29:45,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 18:29:45,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:29:45,240 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:29:45,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:29:45,241 INFO L85 PathProgramCache]: Analyzing trace with hash 791386912, now seen corresponding path program 1 times [2024-11-23 18:29:45,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:29:45,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713729813] [2024-11-23 18:29:45,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:45,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:29:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:29:47,632 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 99 proven. 81 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-11-23 18:29:47,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:29:47,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713729813] [2024-11-23 18:29:47,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713729813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:29:47,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058928255] [2024-11-23 18:29:47,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:47,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:29:47,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:29:47,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:29:47,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:29:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:29:47,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-23 18:29:48,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:29:50,272 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 473 proven. 102 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-23 18:29:50,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:29:51,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058928255] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:29:51,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:29:51,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 18] total 22 [2024-11-23 18:29:51,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795985347] [2024-11-23 18:29:51,620 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:29:51,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-23 18:29:51,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:29:51,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-23 18:29:51,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=732, Unknown=0, NotChecked=0, Total=930 [2024-11-23 18:29:51,624 INFO L87 Difference]: Start difference. First operand 74 states and 113 transitions. Second operand has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 22 states have internal predecessors, (70), 9 states have call successors, (31), 6 states have call predecessors, (31), 10 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2024-11-23 18:29:53,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:29:53,518 INFO L93 Difference]: Finished difference Result 173 states and 246 transitions. [2024-11-23 18:29:53,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-23 18:29:53,519 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 22 states have internal predecessors, (70), 9 states have call successors, (31), 6 states have call predecessors, (31), 10 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) Word has length 124 [2024-11-23 18:29:53,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:29:53,521 INFO L225 Difference]: With dead ends: 173 [2024-11-23 18:29:53,522 INFO L226 Difference]: Without dead ends: 102 [2024-11-23 18:29:53,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=702, Invalid=2054, Unknown=0, NotChecked=0, Total=2756 [2024-11-23 18:29:53,525 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 281 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:29:53,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 388 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 18:29:53,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-23 18:29:53,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94. [2024-11-23 18:29:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 68 states have (on average 1.2941176470588236) internal successors, (88), 68 states have internal predecessors, (88), 19 states have call successors, (19), 6 states have call predecessors, (19), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-23 18:29:53,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 126 transitions. [2024-11-23 18:29:53,581 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 126 transitions. Word has length 124 [2024-11-23 18:29:53,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:29:53,584 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 126 transitions. [2024-11-23 18:29:53,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 22 states have internal predecessors, (70), 9 states have call successors, (31), 6 states have call predecessors, (31), 10 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2024-11-23 18:29:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions. [2024-11-23 18:29:53,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-23 18:29:53,587 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:29:53,590 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:29:53,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 18:29:53,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:29:53,794 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:29:53,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:29:53,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1483807408, now seen corresponding path program 1 times [2024-11-23 18:29:53,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:29:53,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643483380] [2024-11-23 18:29:53,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:53,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:29:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 18:29:53,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2130038033] [2024-11-23 18:29:53,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:29:53,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:29:53,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:29:53,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:29:53,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 18:29:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:29:54,460 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:29:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:29:54,683 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:29:54,684 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:29:54,685 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:29:54,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 18:29:54,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:29:54,895 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-23 18:29:55,041 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:29:55,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:29:55 BoogieIcfgContainer [2024-11-23 18:29:55,048 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:29:55,049 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:29:55,049 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:29:55,049 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:29:55,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:29:43" (3/4) ... [2024-11-23 18:29:55,055 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:29:55,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:29:55,058 INFO L158 Benchmark]: Toolchain (without parser) took 12811.88ms. Allocated memory was 167.8MB in the beginning and 503.3MB in the end (delta: 335.5MB). Free memory was 129.6MB in the beginning and 419.2MB in the end (delta: -289.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-23 18:29:55,058 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:29:55,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.68ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 115.5MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:29:55,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.61ms. Allocated memory is still 167.8MB. Free memory was 115.5MB in the beginning and 110.4MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:29:55,059 INFO L158 Benchmark]: Boogie Preprocessor took 109.08ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 103.9MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:29:55,061 INFO L158 Benchmark]: RCFGBuilder took 890.58ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 75.4MB in the end (delta: 28.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 18:29:55,061 INFO L158 Benchmark]: TraceAbstraction took 11311.78ms. Allocated memory was 167.8MB in the beginning and 503.3MB in the end (delta: 335.5MB). Free memory was 74.8MB in the beginning and 419.4MB in the end (delta: -344.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:29:55,062 INFO L158 Benchmark]: Witness Printer took 7.49ms. Allocated memory is still 503.3MB. Free memory was 419.4MB in the beginning and 419.2MB in the end (delta: 156.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:29:55,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.68ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 115.5MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.61ms. Allocated memory is still 167.8MB. Free memory was 115.5MB in the beginning and 110.4MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.08ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 103.9MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 890.58ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 75.4MB in the end (delta: 28.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 11311.78ms. Allocated memory was 167.8MB in the beginning and 503.3MB in the end (delta: 335.5MB). Free memory was 74.8MB in the beginning and 419.4MB in the end (delta: -344.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.49ms. Allocated memory is still 503.3MB. Free memory was 419.4MB in the beginning and 419.2MB in the end (delta: 156.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -25; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 1230640054; [L25] signed long int var_1_6 = 1508873667; [L26] unsigned char var_1_7 = 64; [L27] unsigned char var_1_8 = 200; [L28] unsigned char var_1_9 = 16; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_11 = 8; [L31] float var_1_12 = 15.4; [L32] float var_1_16 = 10000000000000.375; [L33] float var_1_17 = 16.4; [L34] float var_1_18 = 8.5; [L35] float var_1_19 = 64.75; [L36] unsigned char var_1_20 = 16; [L37] signed char var_1_22 = 0; [L38] unsigned char var_1_23 = 16; VAL [isInitial=0, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=0, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L110] isInitial = 1 [L111] FCALL initially() [L113] FCALL updateLastVariables() [L114] CALL updateVariables() [L73] var_1_2 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L74] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L75] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L75] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1230640054, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L76] var_1_3 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_3 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L77] RET assume_abort_if_not(var_1_3 >= 1073741822) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L78] CALL assume_abort_if_not(var_1_3 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L78] RET assume_abort_if_not(var_1_3 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1508873667, var_1_7=64, var_1_8=200, var_1_9=16] [L79] var_1_6 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_6 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L80] RET assume_abort_if_not(var_1_6 >= 1073741822) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L81] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L81] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=200, var_1_9=16] [L82] var_1_8 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_8 >= 190) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=16] [L83] RET assume_abort_if_not(var_1_8 >= 190) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=16] [L84] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=16] [L84] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=16] [L85] var_1_9 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4] [L86] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4] [L87] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L87] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L88] var_1_10 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L89] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L90] CALL assume_abort_if_not(var_1_10 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L90] RET assume_abort_if_not(var_1_10 <= 32) VAL [isInitial=1, var_1_10=0, var_1_11=8, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L91] var_1_11 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L92] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L93] CALL assume_abort_if_not(var_1_11 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L93] RET assume_abort_if_not(var_1_11 <= 31) VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_17=82/5, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L94] var_1_17 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L95] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_18=17/2, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L96] var_1_18 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L97] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=16, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L98] var_1_20 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_20 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L99] RET assume_abort_if_not(var_1_20 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L100] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L100] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L101] CALL assume_abort_if_not(var_1_20 != 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L101] RET assume_abort_if_not(var_1_20 != 127) VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_16=80000000000003/8, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=64, var_1_8=-4, var_1_9=63] [L114] RET updateVariables() [L115] CALL step() [L42] var_1_7 = ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11))) [L43] var_1_16 = (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=16, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=89, var_1_8=-4, var_1_9=63] [L44] COND FALSE !((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) [L51] var_1_23 = var_1_20 VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_19=259/4, var_1_1=-25, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=89, var_1_8=-4, var_1_9=63] [L53] COND TRUE \read(var_1_2) [L54] var_1_1 = ((var_1_3 - var_1_7) - var_1_7) VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741644, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=89, var_1_8=-4, var_1_9=63] [L58] signed long int stepLocal_1 = var_1_9 % (var_1_8 - var_1_20); VAL [isInitial=1, stepLocal_1=63, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741644, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=89, var_1_8=-4, var_1_9=63] [L59] EXPR var_1_7 ^ var_1_10 VAL [isInitial=1, stepLocal_1=63, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741644, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=89, var_1_8=-4, var_1_9=63] [L59] signed long int stepLocal_0 = var_1_7 ^ var_1_10; [L60] COND FALSE !(stepLocal_1 > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) VAL [isInitial=1, stepLocal_0=89, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741644, var_1_20=63, var_1_22=0, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=89, var_1_8=-4, var_1_9=63] [L65] COND TRUE (var_1_11 % var_1_20) < var_1_1 [L66] var_1_22 = ((((10) > (var_1_10)) ? (10) : (var_1_10))) VAL [isInitial=1, stepLocal_0=89, var_1_10=0, var_1_11=256, var_1_12=77/5, var_1_19=259/4, var_1_1=1073741644, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=89, var_1_8=-4, var_1_9=63] [L68] COND TRUE ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f)) [L69] var_1_12 = 31.5f VAL [isInitial=1, stepLocal_0=89, var_1_10=0, var_1_11=256, var_1_12=63/2, var_1_19=259/4, var_1_1=1073741644, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=89, var_1_8=-4, var_1_9=63] [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR ((((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed long int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) ? (var_1_12 == ((float) 31.5f)) : 1)) && (var_1_16 == ((float) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))))) && (((var_1_9 % (var_1_8 - var_1_20)) > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) ? (((var_1_3 ^ var_1_23) <= (var_1_7 ^ var_1_10)) ? (var_1_19 == ((float) var_1_17)) : 1) : 1) VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=63/2, var_1_19=259/4, var_1_1=1073741644, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=89, var_1_8=-4, var_1_9=63] [L106-L107] return ((((((var_1_2 ? (var_1_1 == ((signed long int) ((var_1_3 - var_1_7) - var_1_7))) : (var_1_1 == ((signed long int) (((((var_1_3) > ((var_1_6 - var_1_7))) ? (var_1_3) : ((var_1_6 - var_1_7)))) - var_1_7)))) && (var_1_7 == ((unsigned char) ((var_1_8 - var_1_9) - (100 - (var_1_10 + var_1_11)))))) && ((((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) <= (- (var_1_19 / 4.9f))) ? (var_1_12 == ((float) 31.5f)) : 1)) && (var_1_16 == ((float) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))))))) && (((var_1_9 % (var_1_8 - var_1_20)) > ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23)))) ? (((var_1_3 ^ var_1_23) <= (var_1_7 ^ var_1_10)) ? (var_1_19 == ((float) var_1_17)) : 1) : 1)) && (((var_1_11 % var_1_20) < var_1_1) ? (var_1_22 == ((signed char) ((((10) > (var_1_10)) ? (10) : (var_1_10))))) : 1)) && (((3886175339u - var_1_20) <= (var_1_9 / var_1_3)) ? ((var_1_10 > var_1_7) ? (var_1_23 == ((unsigned char) ((((var_1_20) < ((var_1_8 - var_1_9))) ? (var_1_20) : ((var_1_8 - var_1_9)))))) : (var_1_23 == ((unsigned char) (((((var_1_20) > (64)) ? (var_1_20) : (64))) + var_1_11)))) : (var_1_23 == ((unsigned char) var_1_20))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=63/2, var_1_19=259/4, var_1_1=1073741644, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=89, var_1_8=-4, var_1_9=63] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=256, var_1_12=63/2, var_1_19=259/4, var_1_1=1073741644, var_1_20=63, var_1_22=10, var_1_23=63, var_1_2=1, var_1_3=1073741822, var_1_6=1073741822, var_1_7=89, var_1_8=-4, var_1_9=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 281 mSDsluCounter, 501 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 324 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 558 IncrementalHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 177 mSDtfsCounter, 558 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 358 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=2, InterpolantAutomatonStates: 26, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 746 NumberOfCodeBlocks, 746 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 2379 SizeOfPredicates, 5 NumberOfNonLiveVariables, 564 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2517/2736 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 18:29:55,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/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_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/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_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/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_b52131f5-444e-4c4f-9d7e-72119065fa3d/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 8fde2e0ff620a40080e503c7a3f660bc2cd4630a73841f8ba1f9b25a52fdc475 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:29:58,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:29:58,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 18:29:58,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:29:58,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:29:58,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:29:58,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:29:58,585 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:29:58,586 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:29:58,586 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:29:58,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:29:58,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:29:58,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:29:58,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:29:58,590 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:29:58,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:29:58,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:29:58,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:29:58,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:29:58,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:29:58,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:29:58,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:29:58,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:29:58,591 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:29:58,591 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:29:58,592 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:29:58,592 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:29:58,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:29:58,592 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:29:58,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:29:58,599 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:29:58,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:29:58,599 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:29:58,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:29:58,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:29:58,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:29:58,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:29:58,600 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:29:58,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:29:58,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:29:58,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:29:58,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:29:58,600 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:29:58,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:29:58,601 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:29:58,601 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:29:58,601 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:29:58,601 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:29:58,601 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:29:58,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:29:58,601 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_b52131f5-444e-4c4f-9d7e-72119065fa3d/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 -> 8fde2e0ff620a40080e503c7a3f660bc2cd4630a73841f8ba1f9b25a52fdc475 [2024-11-23 18:29:59,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:29:59,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:29:59,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:29:59,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:29:59,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:29:59,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i [2024-11-23 18:30:02,866 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/data/97dcaaf42/fdb104b373f34328934c040f0e4bcf2b/FLAG04a0d4ed6 [2024-11-23 18:30:03,228 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:30:03,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i [2024-11-23 18:30:03,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/data/97dcaaf42/fdb104b373f34328934c040f0e4bcf2b/FLAG04a0d4ed6 [2024-11-23 18:30:03,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/data/97dcaaf42/fdb104b373f34328934c040f0e4bcf2b [2024-11-23 18:30:03,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:30:03,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:30:03,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:30:03,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:30:03,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:30:03,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d58c44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03, skipping insertion in model container [2024-11-23 18:30:03,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:30:03,541 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_b52131f5-444e-4c4f-9d7e-72119065fa3d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i[913,926] [2024-11-23 18:30:03,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:30:03,632 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:30:03,647 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_b52131f5-444e-4c4f-9d7e-72119065fa3d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-83.i[913,926] [2024-11-23 18:30:03,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:30:03,700 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:30:03,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03 WrapperNode [2024-11-23 18:30:03,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:30:03,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:30:03,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:30:03,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:30:03,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,747 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-23 18:30:03,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:30:03,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:30:03,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:30:03,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:30:03,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,771 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,787 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 18:30:03,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:30:03,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:30:03,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:30:03,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:30:03,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (1/1) ... [2024-11-23 18:30:03,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:30:03,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:30:03,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:30:03,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:30:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:30:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 18:30:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:30:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:30:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:30:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:30:04,012 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:30:04,015 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:30:06,597 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-23 18:30:06,598 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:30:06,611 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:30:06,612 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:30:06,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:06 BoogieIcfgContainer [2024-11-23 18:30:06,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:30:06,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:30:06,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:30:06,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:30:06,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:30:03" (1/3) ... [2024-11-23 18:30:06,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc7af35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:30:06, skipping insertion in model container [2024-11-23 18:30:06,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:03" (2/3) ... [2024-11-23 18:30:06,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc7af35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:30:06, skipping insertion in model container [2024-11-23 18:30:06,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:06" (3/3) ... [2024-11-23 18:30:06,626 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-83.i [2024-11-23 18:30:06,643 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:30:06,645 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-83.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:30:06,703 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:30:06,716 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;@6805fd5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:30:06,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:30:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-23 18:30:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 18:30:06,733 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:30:06,734 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:30:06,734 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:30:06,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:30:06,741 INFO L85 PathProgramCache]: Analyzing trace with hash 368947901, now seen corresponding path program 1 times [2024-11-23 18:30:06,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:30:06,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764128803] [2024-11-23 18:30:06,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:30:06,757 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 18:30:06,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:30:06,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/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 18:30:06,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/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 18:30:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:30:07,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:30:07,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:30:07,548 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-23 18:30:07,548 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:30:07,552 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:30:07,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764128803] [2024-11-23 18:30:07,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1764128803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:30:07,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:30:07,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:30:07,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272889484] [2024-11-23 18:30:07,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:30:07,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:30:07,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:30:07,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:30:07,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:30:07,597 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-23 18:30:07,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:30:07,645 INFO L93 Difference]: Finished difference Result 105 states and 181 transitions. [2024-11-23 18:30:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:30:07,648 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-11-23 18:30:07,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:30:07,659 INFO L225 Difference]: With dead ends: 105 [2024-11-23 18:30:07,661 INFO L226 Difference]: Without dead ends: 52 [2024-11-23 18:30:07,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 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 18:30:07,672 INFO L435 NwaCegarLoop]: 77 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, 77 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 18:30:07,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:30:07,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-23 18:30:07,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-23 18:30:07,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-23 18:30:07,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2024-11-23 18:30:07,746 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 120 [2024-11-23 18:30:07,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:30:07,748 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2024-11-23 18:30:07,749 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-23 18:30:07,749 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2024-11-23 18:30:07,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-23 18:30:07,758 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:30:07,758 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:30:07,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/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 18:30:07,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/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 18:30:07,960 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:30:07,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:30:07,961 INFO L85 PathProgramCache]: Analyzing trace with hash -2135437833, now seen corresponding path program 1 times [2024-11-23 18:30:07,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:30:07,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820644001] [2024-11-23 18:30:07,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:30:07,963 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 18:30:07,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:30:07,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/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 18:30:07,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b52131f5-444e-4c4f-9d7e-72119065fa3d/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 18:30:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:30:08,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-23 18:30:08,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:30:43,270 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 498 proven. 117 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-23 18:30:43,271 INFO L312 TraceCheckSpWp]: Computing backward predicates...