./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.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_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/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_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/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_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/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 cfa1db2b7b11c8a5c678532d9720edadc9dcf8095da3555b92876b462fef0528 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:06:35,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:06:35,900 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:06:35,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:06:35,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:06:35,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:06:35,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:06:35,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:06:35,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:06:35,930 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:06:35,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:06:35,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:06:35,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:06:35,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:06:35,930 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:06:35,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:06:35,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:06:35,931 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:06:35,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:06:35,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:06:35,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:06:35,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:06:35,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:06:35,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:06:35,932 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:06:35,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:06:35,932 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:06:35,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:06:35,932 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:06:35,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:06:35,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:06:35,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:06:35,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:06:35,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:06:35,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:06:35,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:06:35,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:06:35,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:06:35,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:06:35,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:06:35,933 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:06:35,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:06:35,936 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:06:35,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:06:35,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:06:35,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:06:35,937 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:06:35,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:06:35,937 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_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/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 -> cfa1db2b7b11c8a5c678532d9720edadc9dcf8095da3555b92876b462fef0528 [2024-11-24 01:06:36,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:06:36,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:06:36,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:06:36,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:06:36,241 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:06:36,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i [2024-11-24 01:06:39,172 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/data/55f3ff602/7e78f80c59484941b238dbf3e42b1bdd/FLAG595272dbe [2024-11-24 01:06:39,437 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:06:39,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i [2024-11-24 01:06:39,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/data/55f3ff602/7e78f80c59484941b238dbf3e42b1bdd/FLAG595272dbe [2024-11-24 01:06:39,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/data/55f3ff602/7e78f80c59484941b238dbf3e42b1bdd [2024-11-24 01:06:39,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:06:39,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:06:39,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:06:39,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:06:39,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:06:39,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acf5352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39, skipping insertion in model container [2024-11-24 01:06:39,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:06:39,636 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_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i[917,930] [2024-11-24 01:06:39,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:06:39,708 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:06:39,719 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_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i[917,930] [2024-11-24 01:06:39,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:06:39,769 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:06:39,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39 WrapperNode [2024-11-24 01:06:39,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:06:39,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:06:39,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:06:39,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:06:39,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,826 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2024-11-24 01:06:39,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:06:39,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:06:39,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:06:39,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:06:39,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,851 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,873 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:06:39,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,882 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:06:39,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:06:39,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:06:39,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:06:39,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (1/1) ... [2024-11-24 01:06:39,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:06:39,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:06:39,935 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:06:39,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:06:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:06:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:06:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:06:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:06:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:06:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:06:40,044 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:06:40,047 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:06:40,496 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-24 01:06:40,497 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:06:40,513 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:06:40,513 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:06:40,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:06:40 BoogieIcfgContainer [2024-11-24 01:06:40,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:06:40,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:06:40,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:06:40,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:06:40,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:06:39" (1/3) ... [2024-11-24 01:06:40,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179c5160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:06:40, skipping insertion in model container [2024-11-24 01:06:40,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:06:39" (2/3) ... [2024-11-24 01:06:40,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179c5160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:06:40, skipping insertion in model container [2024-11-24 01:06:40,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:06:40" (3/3) ... [2024-11-24 01:06:40,531 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-58.i [2024-11-24 01:06:40,545 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:06:40,547 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-58.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:06:40,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:06:40,626 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;@1ec0c116, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:06:40,626 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:06:40,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 01:06:40,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-24 01:06:40,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:06:40,651 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:06:40,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:06:40,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:06:40,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1900470490, now seen corresponding path program 1 times [2024-11-24 01:06:40,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:06:40,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413809340] [2024-11-24 01:06:40,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:06:40,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:06:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:06:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2024-11-24 01:06:41,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:06:41,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413809340] [2024-11-24 01:06:41,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413809340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:06:41,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789072353] [2024-11-24 01:06:41,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:06:41,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:06:41,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:06:41,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:06:41,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:06:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:06:41,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:06:41,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:06:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2024-11-24 01:06:41,385 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:06:41,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789072353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:06:41,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:06:41,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:06:41,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039196744] [2024-11-24 01:06:41,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:06:41,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:06:41,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:06:41,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:06:41,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:06:41,422 INFO L87 Difference]: Start difference. First operand has 76 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:06:41,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:06:41,450 INFO L93 Difference]: Finished difference Result 145 states and 256 transitions. [2024-11-24 01:06:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:06:41,452 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2024-11-24 01:06:41,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:06:41,459 INFO L225 Difference]: With dead ends: 145 [2024-11-24 01:06:41,459 INFO L226 Difference]: Without dead ends: 72 [2024-11-24 01:06:41,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:06:41,465 INFO L435 NwaCegarLoop]: 109 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, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:06:41,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:06:41,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-24 01:06:41,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-24 01:06:41,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 01:06:41,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2024-11-24 01:06:41,513 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 173 [2024-11-24 01:06:41,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:06:41,515 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2024-11-24 01:06:41,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:06:41,516 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2024-11-24 01:06:41,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-24 01:06:41,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:06:41,521 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:06:41,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:06:41,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:06:41,723 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:06:41,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:06:41,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1011697190, now seen corresponding path program 1 times [2024-11-24 01:06:41,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:06:41,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513463600] [2024-11-24 01:06:41,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:06:41,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:06:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:06:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-24 01:06:57,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:06:57,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513463600] [2024-11-24 01:06:57,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513463600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:06:57,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:06:57,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-24 01:06:57,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991688653] [2024-11-24 01:06:57,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:06:57,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 01:06:57,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:06:57,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 01:06:57,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:06:57,711 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 01:07:01,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:01,173 INFO L93 Difference]: Finished difference Result 179 states and 260 transitions. [2024-11-24 01:07:01,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 01:07:01,173 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2024-11-24 01:07:01,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:01,176 INFO L225 Difference]: With dead ends: 179 [2024-11-24 01:07:01,177 INFO L226 Difference]: Without dead ends: 177 [2024-11-24 01:07:01,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2024-11-24 01:07:01,178 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 240 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:01,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 621 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 01:07:01,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-24 01:07:01,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 151. [2024-11-24 01:07:01,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 91 states have (on average 1.2747252747252746) internal successors, (116), 91 states have internal predecessors, (116), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-24 01:07:01,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 228 transitions. [2024-11-24 01:07:01,230 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 228 transitions. Word has length 173 [2024-11-24 01:07:01,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:01,231 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 228 transitions. [2024-11-24 01:07:01,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 01:07:01,231 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 228 transitions. [2024-11-24 01:07:01,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-24 01:07:01,234 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:01,234 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:07:01,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:07:01,234 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:01,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:01,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1068955492, now seen corresponding path program 1 times [2024-11-24 01:07:01,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:01,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112738293] [2024-11-24 01:07:01,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:01,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-24 01:07:11,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:07:11,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112738293] [2024-11-24 01:07:11,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112738293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:07:11,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:07:11,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 01:07:11,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193540480] [2024-11-24 01:07:11,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:11,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 01:07:11,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:07:11,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 01:07:11,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:07:11,928 INFO L87 Difference]: Start difference. First operand 151 states and 228 transitions. Second operand has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 14 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 01:07:13,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:13,308 INFO L93 Difference]: Finished difference Result 228 states and 326 transitions. [2024-11-24 01:07:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:07:13,308 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 14 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2024-11-24 01:07:13,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:13,311 INFO L225 Difference]: With dead ends: 228 [2024-11-24 01:07:13,311 INFO L226 Difference]: Without dead ends: 226 [2024-11-24 01:07:13,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-24 01:07:13,312 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 104 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:13,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 957 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 01:07:13,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-24 01:07:13,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 163. [2024-11-24 01:07:13,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 102 states have (on average 1.2745098039215685) internal successors, (130), 102 states have internal predecessors, (130), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-24 01:07:13,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 242 transitions. [2024-11-24 01:07:13,360 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 242 transitions. Word has length 173 [2024-11-24 01:07:13,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:13,361 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 242 transitions. [2024-11-24 01:07:13,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 14 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 01:07:13,361 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2024-11-24 01:07:13,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-24 01:07:13,365 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:13,365 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:07:13,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:07:13,365 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:13,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:13,366 INFO L85 PathProgramCache]: Analyzing trace with hash 753531752, now seen corresponding path program 1 times [2024-11-24 01:07:13,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:13,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972474103] [2024-11-24 01:07:13,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:13,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-24 01:07:21,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:07:21,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972474103] [2024-11-24 01:07:21,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972474103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:07:21,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:07:21,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-24 01:07:21,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630514851] [2024-11-24 01:07:21,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:21,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 01:07:21,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:07:21,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 01:07:21,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:07:21,219 INFO L87 Difference]: Start difference. First operand 163 states and 242 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 01:07:22,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:22,303 INFO L93 Difference]: Finished difference Result 234 states and 334 transitions. [2024-11-24 01:07:22,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 01:07:22,304 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2024-11-24 01:07:22,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:22,309 INFO L225 Difference]: With dead ends: 234 [2024-11-24 01:07:22,310 INFO L226 Difference]: Without dead ends: 232 [2024-11-24 01:07:22,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:07:22,311 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 115 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:22,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 624 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:07:22,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-24 01:07:22,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 169. [2024-11-24 01:07:22,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 108 states have (on average 1.287037037037037) internal successors, (139), 108 states have internal predecessors, (139), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-24 01:07:22,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 251 transitions. [2024-11-24 01:07:22,357 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 251 transitions. Word has length 173 [2024-11-24 01:07:22,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:22,359 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 251 transitions. [2024-11-24 01:07:22,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 01:07:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 251 transitions. [2024-11-24 01:07:22,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-24 01:07:22,363 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:22,364 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:07:22,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:07:22,364 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:22,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:22,365 INFO L85 PathProgramCache]: Analyzing trace with hash 892353706, now seen corresponding path program 1 times [2024-11-24 01:07:22,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:22,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904726933] [2024-11-24 01:07:22,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:22,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 75 proven. 6 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-11-24 01:07:22,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:07:22,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904726933] [2024-11-24 01:07:22,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904726933] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:07:22,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622584651] [2024-11-24 01:07:22,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:22,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:22,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:07:22,550 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:07:22,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:07:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:22,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:07:22,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 277 proven. 6 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2024-11-24 01:07:22,791 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:07:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 75 proven. 6 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-11-24 01:07:23,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622584651] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:07:23,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:07:23,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-24 01:07:23,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798635996] [2024-11-24 01:07:23,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:07:23,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:07:23,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:07:23,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:07:23,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:07:23,013 INFO L87 Difference]: Start difference. First operand 169 states and 251 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-24 01:07:23,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:23,249 INFO L93 Difference]: Finished difference Result 345 states and 507 transitions. [2024-11-24 01:07:23,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:07:23,250 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 174 [2024-11-24 01:07:23,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:23,252 INFO L225 Difference]: With dead ends: 345 [2024-11-24 01:07:23,253 INFO L226 Difference]: Without dead ends: 179 [2024-11-24 01:07:23,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:07:23,255 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 60 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:23,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 168 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:07:23,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-24 01:07:23,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 80. [2024-11-24 01:07:23,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 48 states have (on average 1.1875) internal successors, (57), 48 states have internal predecessors, (57), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 01:07:23,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2024-11-24 01:07:23,275 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 174 [2024-11-24 01:07:23,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:23,275 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2024-11-24 01:07:23,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-24 01:07:23,276 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2024-11-24 01:07:23,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-24 01:07:23,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:23,279 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:07:23,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:07:23,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:23,482 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:23,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:23,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1654830299, now seen corresponding path program 1 times [2024-11-24 01:07:23,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:23,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135912857] [2024-11-24 01:07:23,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:23,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:07:23,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565565587] [2024-11-24 01:07:23,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:23,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:23,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:07:23,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:07:23,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:07:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:24,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 01:07:24,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 403 proven. 69 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2024-11-24 01:07:25,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:07:25,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:07:25,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135912857] [2024-11-24 01:07:25,380 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-24 01:07:25,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565565587] [2024-11-24 01:07:25,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565565587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:07:25,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:07:25,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-24 01:07:25,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900362172] [2024-11-24 01:07:25,381 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-24 01:07:25,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:07:25,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:07:25,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:07:25,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:07:25,382 INFO L87 Difference]: Start difference. First operand 80 states and 113 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:07:26,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:26,057 INFO L93 Difference]: Finished difference Result 262 states and 366 transitions. [2024-11-24 01:07:26,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:07:26,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 175 [2024-11-24 01:07:26,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:26,059 INFO L225 Difference]: With dead ends: 262 [2024-11-24 01:07:26,059 INFO L226 Difference]: Without dead ends: 185 [2024-11-24 01:07:26,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:07:26,063 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 126 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:26,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 381 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:07:26,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-24 01:07:26,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 163. [2024-11-24 01:07:26,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.1919191919191918) internal successors, (118), 99 states have internal predecessors, (118), 56 states have call successors, (56), 7 states have call predecessors, (56), 7 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-24 01:07:26,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 230 transitions. [2024-11-24 01:07:26,102 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 230 transitions. Word has length 175 [2024-11-24 01:07:26,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:26,103 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 230 transitions. [2024-11-24 01:07:26,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:07:26,103 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 230 transitions. [2024-11-24 01:07:26,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-24 01:07:26,105 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:26,105 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:07:26,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:07:26,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-24 01:07:26,306 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:26,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:26,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1629019747, now seen corresponding path program 1 times [2024-11-24 01:07:26,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:07:26,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677151017] [2024-11-24 01:07:26,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:26,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:07:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:07:26,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1186128927] [2024-11-24 01:07:26,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:26,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:07:26,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:07:26,393 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:07:26,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:07:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:07:26,919 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:07:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:07:27,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:07:27,084 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:07:27,086 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:07:27,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 01:07:27,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-24 01:07:27,291 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:07:27,425 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:07:27,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:07:27 BoogieIcfgContainer [2024-11-24 01:07:27,428 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:07:27,429 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:07:27,429 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:07:27,429 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:07:27,430 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:06:40" (3/4) ... [2024-11-24 01:07:27,432 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:07:27,433 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:07:27,434 INFO L158 Benchmark]: Toolchain (without parser) took 47968.77ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 92.6MB in the beginning and 377.1MB in the end (delta: -284.4MB). Peak memory consumption was 298.2MB. Max. memory is 16.1GB. [2024-11-24 01:07:27,434 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:07:27,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.02ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 77.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:07:27,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.16ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 74.3MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:07:27,435 INFO L158 Benchmark]: Boogie Preprocessor took 68.16ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 68.8MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:07:27,436 INFO L158 Benchmark]: RCFGBuilder took 620.79ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 46.1MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:07:27,436 INFO L158 Benchmark]: TraceAbstraction took 46908.99ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 45.5MB in the beginning and 377.2MB in the end (delta: -331.7MB). Peak memory consumption was 239.5MB. Max. memory is 16.1GB. [2024-11-24 01:07:27,436 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 696.3MB. Free memory was 377.2MB in the beginning and 377.1MB in the end (delta: 144.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:07:27,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 72.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.02ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 77.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.16ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 74.3MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.16ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 68.8MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 620.79ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 46.1MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 46908.99ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 45.5MB in the beginning and 377.2MB in the end (delta: -331.7MB). Peak memory consumption was 239.5MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 696.3MB. Free memory was 377.2MB in the beginning and 377.1MB in the end (delta: 144.6kB). Peak memory consumption was 8.4MB. 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 140, overapproximation of someBinaryFLOATComparisonOperation at line 135. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 16; [L25] unsigned char var_1_4 = 4; [L26] unsigned char var_1_5 = 200; [L27] unsigned char var_1_6 = 1; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_9 = 0; [L31] signed short int var_1_10 = 128; [L32] signed short int var_1_11 = 5; [L33] signed char var_1_12 = -2; [L34] signed char var_1_13 = -32; [L35] signed char var_1_14 = 2; [L36] signed char var_1_15 = 25; [L37] signed char var_1_16 = 1; [L38] signed char var_1_17 = 0; [L39] signed long int var_1_18 = -16; [L40] float var_1_19 = 2.775; [L41] unsigned long int var_1_20 = 2381110720; [L42] float var_1_21 = 10000000000000.5; VAL [isInitial=0, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_2=25, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L144] isInitial = 1 [L145] FCALL initially() [L147] FCALL updateLastVariables() [L148] CALL updateVariables() [L94] var_1_2 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L95] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L96] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L96] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L97] var_1_3 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L98] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L99] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L99] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L100] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_4=4, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L101] var_1_4 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L102] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L103] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L104] var_1_5 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L105] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L106] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L107] var_1_6 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_7=0, var_1_8=0, var_1_9=0] [L108] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_7=0, var_1_8=0, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L109] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=0] [L110] var_1_7 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_8=0, var_1_9=0] [L111] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_8=0, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L112] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L113] var_1_8 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_9=0] [L114] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_9=0] [L115] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=0] [L115] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=0] [L116] var_1_9 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1] [L117] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1] [L118] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L118] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L119] var_1_13 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L120] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L121] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L121] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L122] var_1_14 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_14 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L123] RET assume_abort_if_not(var_1_14 >= -127) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L124] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L124] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L125] var_1_16 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L126] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L127] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L127] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L128] var_1_17 = __VERIFIER_nondet_char() [L129] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L129] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L130] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L130] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L131] var_1_20 = __VERIFIER_nondet_ulong() [L132] CALL assume_abort_if_not(var_1_20 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L132] RET assume_abort_if_not(var_1_20 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L133] CALL assume_abort_if_not(var_1_20 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L133] RET assume_abort_if_not(var_1_20 <= 4294967295) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L134] var_1_21 = __VERIFIER_nondet_float() [L135] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L135] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L148] RET updateVariables() [L149] CALL step() [L46] COND FALSE !((var_1_2 / var_1_3) <= 2) [L57] var_1_1 = var_1_5 VAL [isInitial=1, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L59] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=32, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L60] COND TRUE stepLocal_0 <= var_1_2 [L61] var_1_10 = ((((var_1_5) < (var_1_3)) ? (var_1_5) : (var_1_3))) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L63] signed long int stepLocal_1 = ((((var_1_2) < (var_1_10)) ? (var_1_2) : (var_1_10))) + var_1_5; VAL [isInitial=1, stepLocal_1=0, var_1_10=0, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L64] COND TRUE var_1_1 >= stepLocal_1 [L65] var_1_11 = ((var_1_5 + var_1_2) + var_1_3) VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L71] var_1_12 = ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))) VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L72] COND TRUE \read(var_1_7) [L73] var_1_15 = (((((32) < ((16 + var_1_16))) ? (32) : ((16 + var_1_16)))) - var_1_17) VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L75] signed char stepLocal_2 = var_1_16; VAL [isInitial=1, stepLocal_2=32, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=-16, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L76] COND TRUE stepLocal_2 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3))) [L77] var_1_18 = (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))) VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L81] COND TRUE 100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_1) VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L82] COND TRUE var_1_20 > 1u VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=111/40, var_1_1=-256, var_1_20=-133985768, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L83] COND TRUE \read(var_1_9) [L84] var_1_19 = var_1_21 VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=2, var_1_1=-256, var_1_20=-133985768, var_1_21=2, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L149] RET step() [L150] CALL, EXPR property() [L140-L141] return ((((((((var_1_2 / var_1_3) <= 2) ? ((var_1_3 < (((((~ var_1_2)) < (var_1_4)) ? ((~ var_1_2)) : (var_1_4)))) ? (var_1_1 == ((unsigned char) ((((var_1_5) < (16)) ? (var_1_5) : (16))))) : ((((var_1_6 || var_1_7) && var_1_8) || var_1_9) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_5)))) : (var_1_1 == ((unsigned char) var_1_5))) && ((var_1_3 <= var_1_2) ? (var_1_10 == ((signed short int) ((((var_1_5) < (var_1_3)) ? (var_1_5) : (var_1_3))))) : 1)) && ((var_1_1 >= (((((var_1_2) < (var_1_10)) ? (var_1_2) : (var_1_10))) + var_1_5)) ? (var_1_11 == ((signed short int) ((var_1_5 + var_1_2) + var_1_3))) : (var_1_8 ? (var_1_11 == ((signed short int) var_1_3)) : 1))) && (var_1_12 == ((signed char) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) && (var_1_7 ? (var_1_15 == ((signed char) (((((32) < ((16 + var_1_16))) ? (32) : ((16 + var_1_16)))) - var_1_17))) : 1)) && ((var_1_16 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3)))) ? (var_1_18 == ((signed long int) (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))))) : (var_1_18 == ((signed long int) 4)))) && ((100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_1)) ? ((var_1_20 > 1u) ? (var_1_9 ? (var_1_19 == ((float) var_1_21)) : (var_1_19 == ((float) var_1_21))) : (var_1_19 == ((float) var_1_21))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=2, var_1_1=-256, var_1_20=-133985768, var_1_21=2, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L150] RET, EXPR property() [L150] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=2, var_1_1=-256, var_1_20=-133985768, var_1_21=2, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=128, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=32, var_1_17=32, var_1_18=32, var_1_19=2, var_1_1=-256, var_1_20=-133985768, var_1_21=2, var_1_2=-160, var_1_3=32, var_1_5=-256, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.7s, OverallIterations: 7, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 672 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 645 mSDsluCounter, 2860 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2230 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1555 IncrementalHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 630 mSDtfsCounter, 1555 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 790 GetRequests, 714 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=4, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 273 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 36.0s InterpolantComputationTime, 1913 NumberOfCodeBlocks, 1913 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1553 ConstructedInterpolants, 4 QuantifiedInterpolants, 9014 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1132 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 13467/13608 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:07:27,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/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_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/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_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/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_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/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 cfa1db2b7b11c8a5c678532d9720edadc9dcf8095da3555b92876b462fef0528 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:07:29,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:07:30,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:07:30,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:07:30,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:07:30,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:07:30,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:07:30,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:07:30,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:07:30,173 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:07:30,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:07:30,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:07:30,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:07:30,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:07:30,175 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:07:30,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:07:30,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:07:30,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:07:30,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:07:30,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:07:30,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:07:30,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:07:30,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:07:30,176 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:07:30,177 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:07:30,177 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:07:30,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:07:30,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:07:30,177 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:07:30,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:07:30,177 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:07:30,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:07:30,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:07:30,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:07:30,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:07:30,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:07:30,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:07:30,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:07:30,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:07:30,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:07:30,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:07:30,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:07:30,180 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:07:30,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:07:30,180 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:07:30,180 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:07:30,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:07:30,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:07:30,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:07:30,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:07:30,181 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_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/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 -> cfa1db2b7b11c8a5c678532d9720edadc9dcf8095da3555b92876b462fef0528 [2024-11-24 01:07:30,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:07:30,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:07:30,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:07:30,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:07:30,487 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:07:30,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i [2024-11-24 01:07:33,557 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/data/f45417351/2b56be7147424baaab8ae943eb9a79ae/FLAGb41f3c742 [2024-11-24 01:07:33,844 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:07:33,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i [2024-11-24 01:07:33,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/data/f45417351/2b56be7147424baaab8ae943eb9a79ae/FLAGb41f3c742 [2024-11-24 01:07:34,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/data/f45417351/2b56be7147424baaab8ae943eb9a79ae [2024-11-24 01:07:34,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:07:34,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:07:34,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:07:34,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:07:34,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:07:34,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79637718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34, skipping insertion in model container [2024-11-24 01:07:34,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:07:34,298 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_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i[917,930] [2024-11-24 01:07:34,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:07:34,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:07:34,386 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_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-58.i[917,930] [2024-11-24 01:07:34,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:07:34,440 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:07:34,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34 WrapperNode [2024-11-24 01:07:34,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:07:34,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:07:34,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:07:34,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:07:34,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,483 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2024-11-24 01:07:34,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:07:34,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:07:34,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:07:34,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:07:34,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,497 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,508 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:07:34,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,519 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,527 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:07:34,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:07:34,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:07:34,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:07:34,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (1/1) ... [2024-11-24 01:07:34,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:07:34,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:07:34,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:07:34,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:07:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:07:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:07:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:07:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:07:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:07:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:07:34,733 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:07:34,735 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:07:35,161 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-24 01:07:35,161 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:07:35,175 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:07:35,175 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:07:35,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:07:35 BoogieIcfgContainer [2024-11-24 01:07:35,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:07:35,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:07:35,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:07:35,182 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:07:35,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:07:34" (1/3) ... [2024-11-24 01:07:35,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a809261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:07:35, skipping insertion in model container [2024-11-24 01:07:35,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:07:34" (2/3) ... [2024-11-24 01:07:35,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a809261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:07:35, skipping insertion in model container [2024-11-24 01:07:35,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:07:35" (3/3) ... [2024-11-24 01:07:35,184 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-58.i [2024-11-24 01:07:35,197 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:07:35,199 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-58.i that has 2 procedures, 76 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:07:35,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:07:35,264 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;@31f1e8ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:07:35,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:07:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 01:07:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-24 01:07:35,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:35,281 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:07:35,282 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:35,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:35,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1900470490, now seen corresponding path program 1 times [2024-11-24 01:07:35,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:07:35,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644457145] [2024-11-24 01:07:35,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:35,319 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:07:35,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:07:35,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:07:35,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 01:07:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:35,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:07:35,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 662 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2024-11-24 01:07:35,674 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:07:35,675 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:07:35,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644457145] [2024-11-24 01:07:35,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644457145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:07:35,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:07:35,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:07:35,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039791600] [2024-11-24 01:07:35,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:35,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:07:35,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:07:35,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:07:35,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:07:35,704 INFO L87 Difference]: Start difference. First operand has 76 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:07:35,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:35,733 INFO L93 Difference]: Finished difference Result 145 states and 256 transitions. [2024-11-24 01:07:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:07:35,735 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2024-11-24 01:07:35,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:35,740 INFO L225 Difference]: With dead ends: 145 [2024-11-24 01:07:35,741 INFO L226 Difference]: Without dead ends: 72 [2024-11-24 01:07:35,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:07:35,747 INFO L435 NwaCegarLoop]: 109 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, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:35,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:07:35,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-24 01:07:35,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-24 01:07:35,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 01:07:35,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2024-11-24 01:07:35,792 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 173 [2024-11-24 01:07:35,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:35,793 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2024-11-24 01:07:35,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:07:35,794 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2024-11-24 01:07:35,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-24 01:07:35,799 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:35,799 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:07:35,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/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 01:07:36,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:07:36,000 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:36,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:36,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1011697190, now seen corresponding path program 1 times [2024-11-24 01:07:36,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:07:36,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028911493] [2024-11-24 01:07:36,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:36,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:07:36,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:07:36,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:07:36,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 01:07:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:36,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:07:36,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 403 proven. 69 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2024-11-24 01:07:37,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:07:37,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-24 01:07:37,574 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:07:37,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028911493] [2024-11-24 01:07:37,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028911493] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:07:37,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:07:37,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-24 01:07:37,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382335184] [2024-11-24 01:07:37,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:07:37,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:07:37,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:07:37,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:07:37,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:07:37,578 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 01:07:37,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:37,795 INFO L93 Difference]: Finished difference Result 161 states and 243 transitions. [2024-11-24 01:07:37,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:07:37,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2024-11-24 01:07:37,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:37,803 INFO L225 Difference]: With dead ends: 161 [2024-11-24 01:07:37,803 INFO L226 Difference]: Without dead ends: 92 [2024-11-24 01:07:37,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:07:37,804 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 28 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:37,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 280 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:07:37,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-24 01:07:37,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 74. [2024-11-24 01:07:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 44 states have (on average 1.25) internal successors, (55), 44 states have internal predecessors, (55), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-24 01:07:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2024-11-24 01:07:37,817 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 173 [2024-11-24 01:07:37,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:37,819 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2024-11-24 01:07:37,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-24 01:07:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2024-11-24 01:07:37,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-24 01:07:37,822 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:37,822 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:07:37,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:07:38,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:07:38,023 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:38,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:38,024 INFO L85 PathProgramCache]: Analyzing trace with hash 753531752, now seen corresponding path program 1 times [2024-11-24 01:07:38,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:07:38,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424706438] [2024-11-24 01:07:38,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:38,025 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:07:38,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:07:38,027 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:07:38,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 01:07:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:38,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:07:38,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 277 proven. 6 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2024-11-24 01:07:38,402 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:07:38,552 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:07:38,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424706438] [2024-11-24 01:07:38,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424706438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:07:38,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [171216414] [2024-11-24 01:07:38,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:38,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:07:38,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:07:38,566 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:07:38,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-24 01:07:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:40,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 01:07:40,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:07:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 277 proven. 6 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2024-11-24 01:07:43,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:07:44,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [171216414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:07:44,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:07:44,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11] total 11 [2024-11-24 01:07:44,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691043458] [2024-11-24 01:07:44,356 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:07:44,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:07:44,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:07:44,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:07:44,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2024-11-24 01:07:44,359 INFO L87 Difference]: Start difference. First operand 74 states and 111 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:07:56,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:07:56,868 INFO L93 Difference]: Finished difference Result 229 states and 338 transitions. [2024-11-24 01:07:56,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 01:07:56,869 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2024-11-24 01:07:56,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:07:56,872 INFO L225 Difference]: With dead ends: 229 [2024-11-24 01:07:56,872 INFO L226 Difference]: Without dead ends: 158 [2024-11-24 01:07:56,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=225, Invalid=477, Unknown=0, NotChecked=0, Total=702 [2024-11-24 01:07:56,874 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 197 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:07:56,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 301 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2024-11-24 01:07:56,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-24 01:07:56,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 133. [2024-11-24 01:07:56,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 76 states have (on average 1.1842105263157894) internal successors, (90), 77 states have internal predecessors, (90), 53 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-24 01:07:56,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 196 transitions. [2024-11-24 01:07:56,899 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 196 transitions. Word has length 173 [2024-11-24 01:07:56,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:07:56,900 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 196 transitions. [2024-11-24 01:07:56,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 01:07:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 196 transitions. [2024-11-24 01:07:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-24 01:07:56,902 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:07:56,903 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:07:56,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:07:57,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-24 01:07:57,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 01:07:57,303 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:07:57,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:07:57,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1629019747, now seen corresponding path program 1 times [2024-11-24 01:07:57,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:07:57,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802494608] [2024-11-24 01:07:57,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:07:57,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:07:57,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:07:57,307 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:07:57,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f884d7bd-f3cf-4642-a7d4-c388c56f87e5/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 (6)] Waiting until timeout for monitored process [2024-11-24 01:07:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:07:57,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 01:07:57,604 INFO L279 TraceCheckSpWp]: Computing forward predicates...