./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-78.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_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/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_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/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_78b597e2-0579-402c-a347-70b74701b532/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 c2fd7fb27bc7851d54e677fa9fb3be51bb09b78aa3b59eb4223bc2d43faa03f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:19:32,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:19:32,133 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:19:32,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:19:32,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:19:32,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:19:32,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:19:32,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:19:32,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:19:32,198 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:19:32,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:19:32,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:19:32,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:19:32,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:19:32,201 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:19:32,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:19:32,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:19:32,202 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:19:32,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:19:32,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:19:32,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:19:32,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:19:32,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:19:32,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:19:32,203 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:19:32,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:19:32,204 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:19:32,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:19:32,204 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:19:32,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:19:32,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:19:32,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:19:32,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:19:32,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:19:32,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:19:32,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:19:32,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:19:32,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:19:32,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:19:32,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:19:32,207 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:19:32,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:19:32,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:19:32,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:19:32,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:19:32,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:19:32,208 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:19:32,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:19:32,208 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_78b597e2-0579-402c-a347-70b74701b532/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 -> c2fd7fb27bc7851d54e677fa9fb3be51bb09b78aa3b59eb4223bc2d43faa03f5 [2024-11-24 00:19:32,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:19:32,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:19:32,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:19:32,614 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:19:32,615 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:19:32,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-78.i [2024-11-24 00:19:36,021 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/data/477ef24e4/2ae9fb571dab48d695acc6c30febffef/FLAG9105fddfa [2024-11-24 00:19:36,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:19:36,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-78.i [2024-11-24 00:19:36,459 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/data/477ef24e4/2ae9fb571dab48d695acc6c30febffef/FLAG9105fddfa [2024-11-24 00:19:36,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/data/477ef24e4/2ae9fb571dab48d695acc6c30febffef [2024-11-24 00:19:36,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:19:36,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:19:36,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:19:36,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:19:36,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:19:36,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:36,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f25b763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36, skipping insertion in model container [2024-11-24 00:19:36,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:36,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:19:36,752 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_78b597e2-0579-402c-a347-70b74701b532/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-78.i[915,928] [2024-11-24 00:19:36,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:19:36,847 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:19:36,864 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_78b597e2-0579-402c-a347-70b74701b532/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-78.i[915,928] [2024-11-24 00:19:36,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:19:36,931 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:19:36,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36 WrapperNode [2024-11-24 00:19:36,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:19:36,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:19:36,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:19:36,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:19:36,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:36,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:36,977 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 128 [2024-11-24 00:19:36,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:19:36,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:19:36,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:19:36,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:19:36,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:36,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:36,993 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:37,007 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:19:37,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:37,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:37,014 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:37,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:37,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:37,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:37,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:37,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:19:37,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:19:37,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:19:37,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:19:37,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (1/1) ... [2024-11-24 00:19:37,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:19:37,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:19:37,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:19:37,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:19:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:19:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:19:37,115 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:19:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:19:37,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:19:37,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:19:37,198 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:19:37,200 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:19:37,482 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-24 00:19:37,483 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:19:37,495 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:19:37,496 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 00:19:37,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:19:37 BoogieIcfgContainer [2024-11-24 00:19:37,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:19:37,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:19:37,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:19:37,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:19:37,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:19:36" (1/3) ... [2024-11-24 00:19:37,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717ada5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:19:37, skipping insertion in model container [2024-11-24 00:19:37,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:36" (2/3) ... [2024-11-24 00:19:37,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717ada5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:19:37, skipping insertion in model container [2024-11-24 00:19:37,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:19:37" (3/3) ... [2024-11-24 00:19:37,509 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-78.i [2024-11-24 00:19:37,528 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:19:37,530 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-78.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:19:37,600 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:19:37,617 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;@d47f6a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:19:37,618 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:19:37,623 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 00:19:37,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 00:19:37,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:19:37,636 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:19:37,637 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:19:37,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:19:37,643 INFO L85 PathProgramCache]: Analyzing trace with hash 806839571, now seen corresponding path program 1 times [2024-11-24 00:19:37,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:19:37,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380359591] [2024-11-24 00:19:37,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:19:37,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:19:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:19:37,975 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-24 00:19:37,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:19:37,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380359591] [2024-11-24 00:19:37,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380359591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:19:37,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721055819] [2024-11-24 00:19:37,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:19:37,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:19:37,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:19:37,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:19:37,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:19:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:19:38,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:19:38,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:19:38,261 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-24 00:19:38,261 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:19:38,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721055819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:19:38,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:19:38,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:19:38,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240603550] [2024-11-24 00:19:38,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:19:38,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:19:38,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:19:38,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:19:38,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:19:38,300 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-24 00:19:38,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:19:38,341 INFO L93 Difference]: Finished difference Result 111 states and 185 transitions. [2024-11-24 00:19:38,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:19:38,345 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126 [2024-11-24 00:19:38,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:19:38,355 INFO L225 Difference]: With dead ends: 111 [2024-11-24 00:19:38,355 INFO L226 Difference]: Without dead ends: 53 [2024-11-24 00:19:38,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:19:38,366 INFO L435 NwaCegarLoop]: 80 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, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:19:38,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:19:38,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-24 00:19:38,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-24 00:19:38,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 00:19:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2024-11-24 00:19:38,439 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 126 [2024-11-24 00:19:38,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:19:38,439 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2024-11-24 00:19:38,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-24 00:19:38,440 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2024-11-24 00:19:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 00:19:38,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:19:38,446 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:19:38,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:19:38,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:19:38,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:19:38,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:19:38,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1715275755, now seen corresponding path program 1 times [2024-11-24 00:19:38,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:19:38,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150808387] [2024-11-24 00:19:38,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:19:38,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:19:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:19:38,996 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:19:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:19:39,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:19:39,243 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:19:39,244 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:19:39,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:19:39,252 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 00:19:39,377 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:19:39,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:19:39 BoogieIcfgContainer [2024-11-24 00:19:39,382 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:19:39,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:19:39,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:19:39,387 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:19:39,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:19:37" (3/4) ... [2024-11-24 00:19:39,392 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:19:39,393 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:19:39,395 INFO L158 Benchmark]: Toolchain (without parser) took 2890.97ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 66.4MB in the end (delta: 52.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-11-24 00:19:39,395 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:19:39,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.80ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 106.1MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:19:39,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.64ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:19:39,396 INFO L158 Benchmark]: Boogie Preprocessor took 46.29ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:19:39,399 INFO L158 Benchmark]: RCFGBuilder took 470.77ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 87.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:19:39,400 INFO L158 Benchmark]: TraceAbstraction took 1882.71ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 66.4MB in the end (delta: 20.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-24 00:19:39,400 INFO L158 Benchmark]: Witness Printer took 6.14ms. Allocated memory is still 142.6MB. Free memory was 66.4MB in the beginning and 66.4MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:19:39,402 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.80ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 106.1MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.64ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.29ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 470.77ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 87.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1882.71ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 66.4MB in the end (delta: 20.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Witness Printer took 6.14ms. Allocated memory is still 142.6MB. Free memory was 66.4MB in the beginning and 66.4MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someUnaryDOUBLEoperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -200; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] signed long int var_1_6 = 128; [L26] signed long int var_1_7 = 10; [L27] signed short int var_1_8 = 0; [L28] signed short int var_1_9 = 25; [L29] signed short int var_1_10 = 32; [L30] signed short int var_1_11 = 1000; [L31] signed short int var_1_12 = 25; [L32] signed short int var_1_13 = 128; [L33] unsigned long int var_1_14 = 5; [L34] float var_1_15 = 8.25; [L35] float var_1_16 = 63.5; [L36] float var_1_17 = -0.6; [L37] signed long int last_1_var_1_1 = -200; VAL [isInitial=0, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=0, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L103] isInitial = 1 [L104] FCALL initially() [L105] int k_loop; [L106] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=0, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L106] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=0, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L107] CALL updateLastVariables() [L96] last_1_var_1_1 = var_1_1 VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=0, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L64] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L65] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L65] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=1, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L66] var_1_3 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L67] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L68] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L68] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=128, var_1_7=10, var_1_8=0, var_1_9=25] [L69] var_1_6 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L70] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L71] CALL assume_abort_if_not(var_1_6 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L71] RET assume_abort_if_not(var_1_6 <= 2147483646) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=10, var_1_8=0, var_1_9=25] [L72] var_1_7 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L74] CALL assume_abort_if_not(var_1_7 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L74] RET assume_abort_if_not(var_1_7 <= 2147483646) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=25] [L75] var_1_9 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L77] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L77] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=32, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L78] var_1_10 = __VERIFIER_nondet_short() [L79] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L79] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L80] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L80] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=1000, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L81] var_1_11 = __VERIFIER_nondet_short() [L82] CALL assume_abort_if_not(var_1_11 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L82] RET assume_abort_if_not(var_1_11 >= -8191) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L83] CALL assume_abort_if_not(var_1_11 <= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L83] RET assume_abort_if_not(var_1_11 <= 8192) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=25, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L84] var_1_12 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_12 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L85] RET assume_abort_if_not(var_1_12 >= -8191) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L86] CALL assume_abort_if_not(var_1_12 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L86] RET assume_abort_if_not(var_1_12 <= 8191) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=128, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L87] var_1_13 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L88] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L89] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L89] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=33/4, var_1_16=127/2, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L90] var_1_16 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L91] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L92] var_1_17 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L93] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=5, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L108] RET updateVariables() [L109] CALL step() [L41] COND TRUE \read(var_1_3) [L42] var_1_14 = (2931747731u - var_1_10) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L44] unsigned char stepLocal_1 = var_1_3; [L45] unsigned char stepLocal_0 = var_1_2; VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, stepLocal_1=-255, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L46] COND FALSE !(var_1_2 && stepLocal_1) VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=0, var_1_9=16383] [L53] COND FALSE !(var_1_14 > var_1_14) [L56] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_13) VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=2931731348, var_1_15=33/4, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-1, var_1_9=16383] [L58] COND TRUE var_1_11 >= var_1_1 [L59] var_1_15 = ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))) VAL [isInitial=1, last_1_var_1_1=-200, stepLocal_0=-256, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-1, var_1_9=16383] [L109] RET step() [L110] CALL, EXPR property() [L99-L100] return ((((var_1_2 && var_1_3) ? ((var_1_2 && (var_1_14 > last_1_var_1_1)) ? (var_1_1 == ((signed long int) (var_1_6 - var_1_7))) : (var_1_1 == ((signed long int) var_1_6))) : 1) && ((var_1_14 > var_1_14) ? (var_1_8 == ((signed short int) ((var_1_9 - var_1_10) + ((((-4) < ((var_1_11 + var_1_12))) ? (-4) : ((var_1_11 + var_1_12))))))) : (var_1_8 == ((signed short int) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_13))))) && (var_1_3 ? (var_1_14 == ((unsigned long int) (2931747731u - var_1_10))) : 1)) && ((var_1_11 >= var_1_1) ? (var_1_15 == ((float) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-1, var_1_9=16383] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-1, var_1_9=16383] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-200, var_1_10=16383, var_1_11=8192, var_1_12=0, var_1_13=16384, var_1_14=2931731348, var_1_15=2931731353, var_1_16=2931731353, var_1_17=2931731353, var_1_1=-200, var_1_2=-256, var_1_3=-255, var_1_6=2147483646, var_1_7=2147483646, var_1_8=-1, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 20, 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, 80 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, 80 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 284 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1482/1520 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:19:39,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/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_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/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_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/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_78b597e2-0579-402c-a347-70b74701b532/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 c2fd7fb27bc7851d54e677fa9fb3be51bb09b78aa3b59eb4223bc2d43faa03f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:19:42,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:19:42,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:19:42,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:19:42,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:19:42,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:19:42,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:19:42,464 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:19:42,465 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:19:42,465 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:19:42,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:19:42,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:19:42,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:19:42,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:19:42,468 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:19:42,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:19:42,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:19:42,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:19:42,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:19:42,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:19:42,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:19:42,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:19:42,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:19:42,473 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:19:42,473 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:19:42,473 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:19:42,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:19:42,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:19:42,474 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:19:42,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:19:42,474 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:19:42,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:19:42,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:19:42,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:19:42,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:19:42,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:19:42,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:19:42,475 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:19:42,475 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:19:42,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:19:42,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:19:42,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:19:42,475 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:19:42,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:19:42,475 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:19:42,475 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:19:42,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:19:42,476 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:19:42,476 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:19:42,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:19:42,476 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_78b597e2-0579-402c-a347-70b74701b532/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 -> c2fd7fb27bc7851d54e677fa9fb3be51bb09b78aa3b59eb4223bc2d43faa03f5 [2024-11-24 00:19:42,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:19:42,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:19:42,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:19:42,851 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:19:42,851 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:19:42,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-78.i [2024-11-24 00:19:46,017 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/data/71f4159e7/bd5fc712a03e473085ed924dc2b7d5d9/FLAG6393fd7ea [2024-11-24 00:19:46,355 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:19:46,360 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-78.i [2024-11-24 00:19:46,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/data/71f4159e7/bd5fc712a03e473085ed924dc2b7d5d9/FLAG6393fd7ea [2024-11-24 00:19:46,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/data/71f4159e7/bd5fc712a03e473085ed924dc2b7d5d9 [2024-11-24 00:19:46,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:19:46,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:19:46,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:19:46,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:19:46,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:19:46,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:46,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8bb1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46, skipping insertion in model container [2024-11-24 00:19:46,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:46,473 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:19:46,680 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_78b597e2-0579-402c-a347-70b74701b532/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-78.i[915,928] [2024-11-24 00:19:46,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:19:46,795 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:19:46,811 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_78b597e2-0579-402c-a347-70b74701b532/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-78.i[915,928] [2024-11-24 00:19:46,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:19:46,890 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:19:46,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46 WrapperNode [2024-11-24 00:19:46,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:19:46,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:19:46,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:19:46,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:19:46,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:46,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:46,953 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-24 00:19:46,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:19:46,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:19:46,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:19:46,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:19:46,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:46,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:46,969 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:46,990 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:19:46,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:46,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:47,006 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:47,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:47,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:47,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:47,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:47,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:19:47,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:19:47,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:19:47,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:19:47,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (1/1) ... [2024-11-24 00:19:47,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:19:47,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:19:47,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:19:47,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:19:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:19:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:19:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:19:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:19:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:19:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:19:47,238 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:19:47,241 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:19:47,569 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-24 00:19:47,569 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:19:47,581 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:19:47,581 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 00:19:47,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:19:47 BoogieIcfgContainer [2024-11-24 00:19:47,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:19:47,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:19:47,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:19:47,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:19:47,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:19:46" (1/3) ... [2024-11-24 00:19:47,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c0f0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:19:47, skipping insertion in model container [2024-11-24 00:19:47,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:19:46" (2/3) ... [2024-11-24 00:19:47,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c0f0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:19:47, skipping insertion in model container [2024-11-24 00:19:47,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:19:47" (3/3) ... [2024-11-24 00:19:47,593 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-78.i [2024-11-24 00:19:47,610 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:19:47,612 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-78.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:19:47,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:19:47,693 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;@59e58655, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:19:47,695 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:19:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 00:19:47,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 00:19:47,718 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:19:47,719 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:19:47,720 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:19:47,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:19:47,728 INFO L85 PathProgramCache]: Analyzing trace with hash 806839571, now seen corresponding path program 1 times [2024-11-24 00:19:47,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:19:47,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453480132] [2024-11-24 00:19:47,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:19:47,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:19:47,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:19:47,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:19:47,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 00:19:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:19:48,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:19:48,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:19:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-24 00:19:48,176 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:19:48,177 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:19:48,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453480132] [2024-11-24 00:19:48,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453480132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:19:48,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:19:48,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:19:48,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408211636] [2024-11-24 00:19:48,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:19:48,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:19:48,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:19:48,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:19:48,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:19:48,221 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-24 00:19:48,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:19:48,249 INFO L93 Difference]: Finished difference Result 111 states and 185 transitions. [2024-11-24 00:19:48,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:19:48,252 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126 [2024-11-24 00:19:48,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:19:48,259 INFO L225 Difference]: With dead ends: 111 [2024-11-24 00:19:48,260 INFO L226 Difference]: Without dead ends: 53 [2024-11-24 00:19:48,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:19:48,267 INFO L435 NwaCegarLoop]: 80 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, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:19:48,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:19:48,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-24 00:19:48,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-24 00:19:48,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-24 00:19:48,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2024-11-24 00:19:48,314 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 126 [2024-11-24 00:19:48,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:19:48,315 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2024-11-24 00:19:48,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-24 00:19:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2024-11-24 00:19:48,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 00:19:48,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:19:48,319 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:19:48,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 00:19:48,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:19:48,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:19:48,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:19:48,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1715275755, now seen corresponding path program 1 times [2024-11-24 00:19:48,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:19:48,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821889178] [2024-11-24 00:19:48,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:19:48,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:19:48,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:19:48,530 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:19:48,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78b597e2-0579-402c-a347-70b74701b532/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 00:19:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:19:48,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 00:19:48,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:23:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 325 proven. 42 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-24 00:23:40,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:33:29,768 WARN L286 SmtUtils]: Spent 32.73s on a formula simplification. DAG size of input: 211 DAG size of output: 205 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:34:02,468 WARN L286 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 199 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)