./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.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_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/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_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/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_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/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 b88bda8e1a4209131fc4a459b5a961cf1cc3c7f6d9206d86670129fed231a369 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:48:25,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:48:26,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:48:26,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:48:26,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:48:26,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:48:26,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:48:26,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:48:26,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:48:26,099 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:48:26,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:48:26,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:48:26,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:48:26,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:48:26,101 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:48:26,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:48:26,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:48:26,102 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:48:26,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:48:26,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:48:26,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:48:26,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:48:26,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:48:26,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:48:26,103 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:48:26,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:48:26,103 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:48:26,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:48:26,104 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:48:26,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:48:26,104 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:48:26,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:48:26,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:48:26,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:48:26,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:48:26,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:48:26,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:48:26,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:48:26,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:48:26,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:48:26,106 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:48:26,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:48:26,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:48:26,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:48:26,107 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:48:26,107 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:48:26,107 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:48:26,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:48:26,107 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_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/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 -> b88bda8e1a4209131fc4a459b5a961cf1cc3c7f6d9206d86670129fed231a369 [2024-11-24 01:48:26,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:48:26,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:48:26,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:48:26,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:48:26,487 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:48:26,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i [2024-11-24 01:48:29,391 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/data/4d103281d/79369c15c0e2494db085aea23037fb42/FLAGd0d0f5c25 [2024-11-24 01:48:29,720 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:48:29,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i [2024-11-24 01:48:29,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/data/4d103281d/79369c15c0e2494db085aea23037fb42/FLAGd0d0f5c25 [2024-11-24 01:48:29,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/data/4d103281d/79369c15c0e2494db085aea23037fb42 [2024-11-24 01:48:29,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:48:29,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:48:29,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:48:29,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:48:29,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:48:29,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:48:29" (1/1) ... [2024-11-24 01:48:29,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4557df3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:29, skipping insertion in model container [2024-11-24 01:48:29,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:48:29" (1/1) ... [2024-11-24 01:48:29,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:48:29,972 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_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i[915,928] [2024-11-24 01:48:30,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:48:30,048 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:48:30,060 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_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i[915,928] [2024-11-24 01:48:30,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:48:30,117 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:48:30,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30 WrapperNode [2024-11-24 01:48:30,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:48:30,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:48:30,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:48:30,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:48:30,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,168 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-24 01:48:30,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:48:30,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:48:30,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:48:30,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:48:30,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,190 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,208 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:48:30,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,223 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:48:30,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:48:30,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:48:30,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:48:30,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (1/1) ... [2024-11-24 01:48:30,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:48:30,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:48:30,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:48:30,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:48:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:48:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:48:30,312 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:48:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:48:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:48:30,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:48:30,398 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:48:30,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:48:30,716 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 01:48:30,716 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:48:30,731 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:48:30,733 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:48:30,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:30 BoogieIcfgContainer [2024-11-24 01:48:30,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:48:30,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:48:30,737 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:48:30,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:48:30,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:48:29" (1/3) ... [2024-11-24 01:48:30,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad5529f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:48:30, skipping insertion in model container [2024-11-24 01:48:30,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:30" (2/3) ... [2024-11-24 01:48:30,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad5529f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:48:30, skipping insertion in model container [2024-11-24 01:48:30,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:30" (3/3) ... [2024-11-24 01:48:30,751 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-65.i [2024-11-24 01:48:30,769 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:48:30,770 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-65.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:48:30,842 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:48:30,857 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;@27014b81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:48:30,857 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:48:30,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:48:30,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 01:48:30,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:48:30,874 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:30,875 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:48:30,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:30,880 INFO L85 PathProgramCache]: Analyzing trace with hash -533207093, now seen corresponding path program 1 times [2024-11-24 01:48:30,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:48:30,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383540709] [2024-11-24 01:48:30,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:30,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:48:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-24 01:48:31,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:48:31,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383540709] [2024-11-24 01:48:31,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383540709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:48:31,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907144383] [2024-11-24 01:48:31,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:31,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:48:31,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:48:31,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:48:31,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:48:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:48:31,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:48:31,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:48:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-24 01:48:31,381 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:48:31,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907144383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:48:31,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:48:31,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:48:31,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594173876] [2024-11-24 01:48:31,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:48:31,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:48:31,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:48:31,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:48:31,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:48:31,413 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:48:31,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:48:31,450 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-24 01:48:31,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:48:31,452 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2024-11-24 01:48:31,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:48:31,458 INFO L225 Difference]: With dead ends: 101 [2024-11-24 01:48:31,458 INFO L226 Difference]: Without dead ends: 50 [2024-11-24 01:48:31,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:48:31,468 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:48:31,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:48:31,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-24 01:48:31,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-24 01:48:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:48:31,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-24 01:48:31,507 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 110 [2024-11-24 01:48:31,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:48:31,507 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-24 01:48:31,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:48:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-24 01:48:31,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 01:48:31,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:48:31,514 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:31,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:48:31,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:48:31,715 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:48:31,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:31,715 INFO L85 PathProgramCache]: Analyzing trace with hash -927065787, now seen corresponding path program 1 times [2024-11-24 01:48:31,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:48:31,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261250415] [2024-11-24 01:48:31,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:31,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:31,924 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:32,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:48:32,072 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:48:32,073 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:48:32,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:48:32,080 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 01:48:32,177 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:48:32,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:48:32 BoogieIcfgContainer [2024-11-24 01:48:32,180 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:48:32,181 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:48:32,181 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:48:32,181 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:48:32,182 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:30" (3/4) ... [2024-11-24 01:48:32,184 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:48:32,185 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:48:32,186 INFO L158 Benchmark]: Toolchain (without parser) took 2422.61ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 56.0MB in the end (delta: 38.5MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-24 01:48:32,186 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:48:32,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.91ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 81.9MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:48:32,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.33ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:48:32,187 INFO L158 Benchmark]: Boogie Preprocessor took 68.21ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:48:32,188 INFO L158 Benchmark]: RCFGBuilder took 492.38ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 63.5MB in the end (delta: 14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:48:32,188 INFO L158 Benchmark]: TraceAbstraction took 1445.12ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 56.6MB in the end (delta: 6.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-24 01:48:32,188 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 56.0MB in the end (delta: 588.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:48:32,190 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.91ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 81.9MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.33ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.21ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.38ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 63.5MB in the end (delta: 14.8MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 1445.12ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 56.6MB in the end (delta: 6.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 56.0MB in the end (delta: 588.6kB). 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 95, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someUnaryFLOAToperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 1000000000.1; [L23] float var_1_2 = 256.75; [L24] unsigned char var_1_3 = 1; [L25] float var_1_4 = 8.2; [L26] signed long int var_1_5 = -32; [L27] signed long int var_1_6 = 4; [L28] signed char var_1_7 = 5; [L29] signed char var_1_8 = 64; [L30] signed char var_1_9 = 16; [L31] signed char var_1_10 = 64; [L32] signed char var_1_11 = -64; [L33] double var_1_12 = 15.9; [L34] double var_1_13 = 1.5; [L35] double var_1_14 = 10000000000.375; [L36] unsigned char var_1_15 = 1; VAL [isInitial=0, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_2=1027/4, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L99] isInitial = 1 [L100] FCALL initially() [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_float() [L64] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L64] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L65] var_1_3 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L67] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L67] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_4=41/5, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L68] var_1_4 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L69] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=4, var_1_7=5, var_1_8=64, var_1_9=16] [L70] var_1_6 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=64, var_1_9=16] [L71] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=64, var_1_9=16] [L72] CALL assume_abort_if_not(var_1_6 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=64, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=64, var_1_9=16] [L72] RET assume_abort_if_not(var_1_6 <= 1073741823) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=64, var_1_9=16] [L73] var_1_8 = __VERIFIER_nondet_char() [L74] CALL assume_abort_if_not(var_1_8 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=16] [L74] RET assume_abort_if_not(var_1_8 >= 63) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=16] [L75] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=16] [L75] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=16] [L76] var_1_9 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L78] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L78] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, var_1_10=64, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L79] var_1_10 = __VERIFIER_nondet_char() [L80] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L80] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L81] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L81] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_12=159/10, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L82] var_1_12 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L83] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_13=3/2, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L84] var_1_13 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427387900e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L85] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427387900e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_14=80000000003/8, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L86] var_1_14 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427387900e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L87] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427387900e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L88] var_1_15 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L89] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L90] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L90] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000001/10, var_1_3=1, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L103] RET updateVariables() [L104] CALL step() [L40] COND FALSE !(0.625f > var_1_2) [L45] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=-32, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L47] COND TRUE \read(var_1_3) [L48] var_1_5 = ((10 + var_1_6) - 2) VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=8, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L50] signed long int stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=0, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=8, var_1_6=0, var_1_7=5, var_1_8=63, var_1_9=24] [L51] COND TRUE ((64 - 25) - (var_1_8 - var_1_9)) >= stepLocal_0 [L52] var_1_7 = (((((var_1_9 - 32)) > (var_1_10)) ? ((var_1_9 - 32)) : (var_1_10))) VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=8, var_1_6=0, var_1_7=-8, var_1_8=63, var_1_9=24] [L54] COND FALSE !((var_1_12 - (var_1_13 + var_1_14)) <= var_1_1) VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=8, var_1_6=0, var_1_7=-8, var_1_8=63, var_1_9=24] [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return ((((0.625f > var_1_2) ? (var_1_3 ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) : (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && (var_1_3 ? (var_1_5 == ((signed long int) ((10 + var_1_6) - 2))) : 1)) && ((((64 - 25) - (var_1_8 - var_1_9)) >= var_1_6) ? (var_1_7 == ((signed char) (((((var_1_9 - 32)) > (var_1_10)) ? ((var_1_9 - 32)) : (var_1_10))))) : 1)) && (((var_1_12 - (var_1_13 + var_1_14)) <= var_1_1) ? ((var_1_3 && var_1_15) ? (var_1_11 == ((signed char) var_1_10)) : (var_1_11 == ((signed char) var_1_9))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=8, var_1_6=0, var_1_7=-8, var_1_8=63, var_1_9=24] [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=8, var_1_6=0, var_1_7=-8, var_1_8=63, var_1_9=24] [L19] reach_error() VAL [isInitial=1, var_1_10=-127, var_1_11=-64, var_1_15=1, var_1_1=10000000005, var_1_3=1, var_1_4=10000000005, var_1_5=8, var_1_6=0, var_1_7=-8, var_1_8=63, var_1_9=24] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 72 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1056/1088 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:48:32,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/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_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/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_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/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_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/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 b88bda8e1a4209131fc4a459b5a961cf1cc3c7f6d9206d86670129fed231a369 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:48:34,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:48:35,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:48:35,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:48:35,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:48:35,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:48:35,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:48:35,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:48:35,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:48:35,112 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:48:35,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:48:35,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:48:35,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:48:35,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:48:35,113 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:48:35,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:48:35,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:48:35,114 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:48:35,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:48:35,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:48:35,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:48:35,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:48:35,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:48:35,115 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:48:35,115 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:48:35,115 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:48:35,115 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:48:35,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:48:35,116 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:48:35,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:48:35,116 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:48:35,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:48:35,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:48:35,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:48:35,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:48:35,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:48:35,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:48:35,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:48:35,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:48:35,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:48:35,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:48:35,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:48:35,118 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:48:35,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:48:35,118 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:48:35,119 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:48:35,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:48:35,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:48:35,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:48:35,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:48:35,119 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_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/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 -> b88bda8e1a4209131fc4a459b5a961cf1cc3c7f6d9206d86670129fed231a369 [2024-11-24 01:48:35,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:48:35,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:48:35,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:48:35,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:48:35,425 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:48:35,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i [2024-11-24 01:48:38,395 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/data/329630fa7/933a2c93f6b84457be732d1399421b77/FLAG194591462 [2024-11-24 01:48:38,699 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:48:38,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i [2024-11-24 01:48:38,722 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/data/329630fa7/933a2c93f6b84457be732d1399421b77/FLAG194591462 [2024-11-24 01:48:38,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/data/329630fa7/933a2c93f6b84457be732d1399421b77 [2024-11-24 01:48:38,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:48:38,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:48:38,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:48:38,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:48:38,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:48:38,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:48:38" (1/1) ... [2024-11-24 01:48:38,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f584973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:38, skipping insertion in model container [2024-11-24 01:48:38,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:48:38" (1/1) ... [2024-11-24 01:48:38,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:48:38,969 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_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i[915,928] [2024-11-24 01:48:39,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:48:39,061 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:48:39,072 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_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-65.i[915,928] [2024-11-24 01:48:39,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:48:39,134 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:48:39,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39 WrapperNode [2024-11-24 01:48:39,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:48:39,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:48:39,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:48:39,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:48:39,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,179 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-24 01:48:39,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:48:39,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:48:39,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:48:39,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:48:39,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,192 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,204 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:48:39,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,213 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:48:39,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:48:39,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:48:39,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:48:39,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (1/1) ... [2024-11-24 01:48:39,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:48:39,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:48:39,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:48:39,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:48:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:48:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:48:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:48:39,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:48:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:48:39,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:48:39,371 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:48:39,373 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:48:44,428 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 01:48:44,428 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:48:44,438 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:48:44,438 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:48:44,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:44 BoogieIcfgContainer [2024-11-24 01:48:44,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:48:44,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:48:44,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:48:44,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:48:44,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:48:38" (1/3) ... [2024-11-24 01:48:44,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4fc919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:48:44, skipping insertion in model container [2024-11-24 01:48:44,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:39" (2/3) ... [2024-11-24 01:48:44,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4fc919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:48:44, skipping insertion in model container [2024-11-24 01:48:44,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:44" (3/3) ... [2024-11-24 01:48:44,451 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-65.i [2024-11-24 01:48:44,468 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:48:44,470 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-65.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:48:44,524 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:48:44,535 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;@5558476b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:48:44,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:48:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:48:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 01:48:44,552 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:48:44,553 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:44,553 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:48:44,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:44,560 INFO L85 PathProgramCache]: Analyzing trace with hash -533207093, now seen corresponding path program 1 times [2024-11-24 01:48:44,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:48:44,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008972391] [2024-11-24 01:48:44,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:44,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:48:44,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:48:44,573 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:48:44,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 01:48:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:48:44,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:48:44,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:48:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-24 01:48:45,030 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:48:45,031 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:48:45,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008972391] [2024-11-24 01:48:45,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008972391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:48:45,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:48:45,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:48:45,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937379862] [2024-11-24 01:48:45,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:48:45,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:48:45,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:48:45,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:48:45,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:48:45,059 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:48:45,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:48:45,083 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-24 01:48:45,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:48:45,085 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2024-11-24 01:48:45,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:48:45,091 INFO L225 Difference]: With dead ends: 101 [2024-11-24 01:48:45,091 INFO L226 Difference]: Without dead ends: 50 [2024-11-24 01:48:45,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:48:45,099 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:48:45,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:48:45,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-24 01:48:45,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-24 01:48:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 01:48:45,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-24 01:48:45,139 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 110 [2024-11-24 01:48:45,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:48:45,139 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-24 01:48:45,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 01:48:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-24 01:48:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 01:48:45,145 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:48:45,145 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:45,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/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 [2024-11-24 01:48:45,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:48:45,346 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:48:45,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:45,347 INFO L85 PathProgramCache]: Analyzing trace with hash -927065787, now seen corresponding path program 1 times [2024-11-24 01:48:45,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:48:45,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521985003] [2024-11-24 01:48:45,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:45,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:48:45,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:48:45,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:48:45,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c34b8ba8-09c7-4c9f-bb84-e7c0359c8216/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 01:48:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:48:45,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 01:48:45,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:49:53,333 WARN L286 SmtUtils]: Spent 16.84s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)