./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.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_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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_984f432f-6cee-4b5a-9e52-7d17290fec34/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 7a26da9ee2780f5d9a0a4d48e71eedd7b2efc6ac4df03b63ed45f991a1f4f81b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:36:30,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:36:30,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:36:30,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:36:30,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:36:30,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:36:30,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:36:30,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:36:30,165 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:36:30,166 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:36:30,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:36:30,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:36:30,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:36:30,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:36:30,167 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:36:30,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:36:30,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:36:30,167 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:36:30,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:36:30,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:36:30,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:36:30,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:36:30,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:36:30,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:36:30,169 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:36:30,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:36:30,169 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:36:30,169 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:36:30,169 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:36:30,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:36:30,170 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:36:30,170 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:36:30,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:36:30,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:36:30,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:36:30,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:36:30,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:36:30,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:36:30,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:36:30,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:36:30,172 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:36:30,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:36:30,172 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:36:30,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:36:30,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:36:30,172 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:36:30,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:36:30,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:36:30,173 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 -> 7a26da9ee2780f5d9a0a4d48e71eedd7b2efc6ac4df03b63ed45f991a1f4f81b [2024-11-24 01:36:30,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:36:30,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:36:30,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:36:30,546 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:36:30,547 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:36:30,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i [2024-11-24 01:36:33,704 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/data/55af37965/35a33b0614f54d97816be86f89a9fd8e/FLAGeb2b5686c [2024-11-24 01:36:34,124 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:36:34,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i [2024-11-24 01:36:34,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/data/55af37965/35a33b0614f54d97816be86f89a9fd8e/FLAGeb2b5686c [2024-11-24 01:36:34,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/data/55af37965/35a33b0614f54d97816be86f89a9fd8e [2024-11-24 01:36:34,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:36:34,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:36:34,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:36:34,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:36:34,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:36:34,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469a2123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34, skipping insertion in model container [2024-11-24 01:36:34,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:36:34,504 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_984f432f-6cee-4b5a-9e52-7d17290fec34/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i[918,931] [2024-11-24 01:36:34,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:36:34,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:36:34,682 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_984f432f-6cee-4b5a-9e52-7d17290fec34/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i[918,931] [2024-11-24 01:36:34,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:36:34,786 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:36:34,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34 WrapperNode [2024-11-24 01:36:34,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:36:34,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:36:34,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:36:34,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:36:34,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,855 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2024-11-24 01:36:34,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:36:34,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:36:34,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:36:34,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:36:34,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,870 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,894 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 01:36:34,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,917 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:36:34,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:36:34,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:36:34,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:36:34,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (1/1) ... [2024-11-24 01:36:34,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:36:34,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:36:34,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:36:35,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:36:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:36:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:36:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:36:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:36:35,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:36:35,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:36:35,126 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:36:35,129 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:36:35,685 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-24 01:36:35,686 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:36:35,700 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:36:35,700 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:36:35,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:36:35 BoogieIcfgContainer [2024-11-24 01:36:35,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:36:35,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:36:35,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:36:35,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:36:35,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:36:34" (1/3) ... [2024-11-24 01:36:35,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea5a7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:36:35, skipping insertion in model container [2024-11-24 01:36:35,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:34" (2/3) ... [2024-11-24 01:36:35,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea5a7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:36:35, skipping insertion in model container [2024-11-24 01:36:35,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:36:35" (3/3) ... [2024-11-24 01:36:35,713 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i [2024-11-24 01:36:35,731 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:36:35,733 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i that has 2 procedures, 74 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:36:35,845 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:36:35,862 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;@6a41a507, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:36:35,862 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:36:35,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 01:36:35,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:36:35,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:35,885 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:36:35,885 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:35,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:35,893 INFO L85 PathProgramCache]: Analyzing trace with hash -21695525, now seen corresponding path program 1 times [2024-11-24 01:36:35,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:35,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674052360] [2024-11-24 01:36:35,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:35,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-24 01:36:36,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:36,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674052360] [2024-11-24 01:36:36,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674052360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:36:36,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176789899] [2024-11-24 01:36:36,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:36,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:36:36,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:36:36,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:36:36,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:36:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:36,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:36:36,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:36:36,555 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-24 01:36:36,555 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:36:36,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176789899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:36,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:36:36,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:36:36,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324215289] [2024-11-24 01:36:36,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:36,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:36:36,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:36,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:36:36,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:36:36,597 INFO L87 Difference]: Start difference. First operand has 74 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:36:36,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:36,640 INFO L93 Difference]: Finished difference Result 141 states and 243 transitions. [2024-11-24 01:36:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:36:36,643 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 132 [2024-11-24 01:36:36,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:36,654 INFO L225 Difference]: With dead ends: 141 [2024-11-24 01:36:36,654 INFO L226 Difference]: Without dead ends: 70 [2024-11-24 01:36:36,660 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 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 01:36:36,666 INFO L435 NwaCegarLoop]: 106 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, 106 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 01:36:36,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:36:36,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-24 01:36:36,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-24 01:36:36,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 49 states have internal predecessors, (68), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 01:36:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 106 transitions. [2024-11-24 01:36:36,724 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 106 transitions. Word has length 132 [2024-11-24 01:36:36,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:36,725 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 106 transitions. [2024-11-24 01:36:36,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:36:36,727 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2024-11-24 01:36:36,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-24 01:36:36,733 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:36,733 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:36:36,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:36:36,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:36:36,935 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:36,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:36,936 INFO L85 PathProgramCache]: Analyzing trace with hash 696240542, now seen corresponding path program 1 times [2024-11-24 01:36:36,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:36,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630100017] [2024-11-24 01:36:36,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:36,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:37,350 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-24 01:36:37,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:37,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630100017] [2024-11-24 01:36:37,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630100017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:37,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:37,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:36:37,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084463296] [2024-11-24 01:36:37,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:37,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:36:37,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:37,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:36:37,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:36:37,356 INFO L87 Difference]: Start difference. First operand 70 states and 106 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:36:37,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:37,444 INFO L93 Difference]: Finished difference Result 174 states and 260 transitions. [2024-11-24 01:36:37,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:36:37,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2024-11-24 01:36:37,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:37,447 INFO L225 Difference]: With dead ends: 174 [2024-11-24 01:36:37,447 INFO L226 Difference]: Without dead ends: 107 [2024-11-24 01:36:37,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:36:37,452 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 52 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:37,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 244 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:36:37,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-24 01:36:37,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2024-11-24 01:36:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.289855072463768) internal successors, (89), 70 states have internal predecessors, (89), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 01:36:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2024-11-24 01:36:37,493 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 133 [2024-11-24 01:36:37,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:37,494 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2024-11-24 01:36:37,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:36:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2024-11-24 01:36:37,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-24 01:36:37,501 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:37,501 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:36:37,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:36:37,502 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:37,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:37,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1376298912, now seen corresponding path program 1 times [2024-11-24 01:36:37,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:37,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360899170] [2024-11-24 01:36:37,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:37,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:36:38,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [200209901] [2024-11-24 01:36:38,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:38,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:36:38,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:36:38,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:36:38,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:36:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:38,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 01:36:38,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:36:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 404 proven. 93 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-24 01:36:40,825 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:36:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-24 01:36:41,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:41,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360899170] [2024-11-24 01:36:41,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-24 01:36:41,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200209901] [2024-11-24 01:36:41,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200209901] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:36:41,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:36:41,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 15 [2024-11-24 01:36:41,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086338518] [2024-11-24 01:36:41,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:41,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:36:41,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:41,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:36:41,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:36:41,035 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:36:41,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:41,093 INFO L93 Difference]: Finished difference Result 205 states and 303 transitions. [2024-11-24 01:36:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:36:41,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 133 [2024-11-24 01:36:41,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:41,098 INFO L225 Difference]: With dead ends: 205 [2024-11-24 01:36:41,099 INFO L226 Difference]: Without dead ends: 104 [2024-11-24 01:36:41,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-24 01:36:41,101 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:41,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:36:41,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-24 01:36:41,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-24 01:36:41,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 70 states have internal predecessors, (88), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-24 01:36:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2024-11-24 01:36:41,119 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 133 [2024-11-24 01:36:41,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:41,120 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2024-11-24 01:36:41,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:36:41,121 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2024-11-24 01:36:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-24 01:36:41,123 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:41,124 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:36:41,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:36:41,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:36:41,324 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:41,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:41,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1907551134, now seen corresponding path program 1 times [2024-11-24 01:36:41,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:41,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655882904] [2024-11-24 01:36:41,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:41,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:36:41,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [475226943] [2024-11-24 01:36:41,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:41,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:36:41,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:36:41,591 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:36:41,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:36:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:42,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 01:36:42,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:36:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 162 proven. 96 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-24 01:36:44,056 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:36:45,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:45,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655882904] [2024-11-24 01:36:45,579 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-24 01:36:45,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475226943] [2024-11-24 01:36:45,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475226943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:36:45,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:36:45,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-24 01:36:45,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664477794] [2024-11-24 01:36:45,580 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-24 01:36:45,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:36:45,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:45,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:36:45,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-24 01:36:45,583 INFO L87 Difference]: Start difference. First operand 104 states and 152 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-24 01:36:46,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:46,448 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2024-11-24 01:36:46,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 01:36:46,449 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 133 [2024-11-24 01:36:46,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:46,452 INFO L225 Difference]: With dead ends: 364 [2024-11-24 01:36:46,452 INFO L226 Difference]: Without dead ends: 263 [2024-11-24 01:36:46,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2024-11-24 01:36:46,460 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 109 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:46,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 482 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:36:46,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-24 01:36:46,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 227. [2024-11-24 01:36:46,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 154 states have (on average 1.2532467532467533) internal successors, (193), 156 states have internal predecessors, (193), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-24 01:36:46,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 321 transitions. [2024-11-24 01:36:46,520 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 321 transitions. Word has length 133 [2024-11-24 01:36:46,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:46,522 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 321 transitions. [2024-11-24 01:36:46,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-24 01:36:46,523 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 321 transitions. [2024-11-24 01:36:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-24 01:36:46,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:46,528 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:36:46,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:36:46,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:36:46,730 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:46,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:46,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1649385696, now seen corresponding path program 1 times [2024-11-24 01:36:46,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:46,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114172550] [2024-11-24 01:36:46,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:46,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:36:46,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1670101218] [2024-11-24 01:36:46,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:46,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:36:46,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:36:46,898 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:36:46,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:36:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:36:47,821 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:36:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:36:48,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:36:48,001 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:36:48,002 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:36:48,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 01:36:48,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:36:48,207 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-24 01:36:48,327 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:36:48,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:36:48 BoogieIcfgContainer [2024-11-24 01:36:48,334 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:36:48,335 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:36:48,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:36:48,335 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:36:48,336 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:36:35" (3/4) ... [2024-11-24 01:36:48,342 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:36:48,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:36:48,344 INFO L158 Benchmark]: Toolchain (without parser) took 14128.27ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 94.0MB in the beginning and 297.7MB in the end (delta: -203.7MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-24 01:36:48,346 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:36:48,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.49ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 78.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:36:48,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.63ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 73.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:36:48,347 INFO L158 Benchmark]: Boogie Preprocessor took 92.87ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 66.4MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:36:48,351 INFO L158 Benchmark]: RCFGBuilder took 751.45ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 41.1MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:36:48,351 INFO L158 Benchmark]: TraceAbstraction took 12629.56ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 40.8MB in the beginning and 297.7MB in the end (delta: -256.9MB). Peak memory consumption was 152.5MB. Max. memory is 16.1GB. [2024-11-24 01:36:48,352 INFO L158 Benchmark]: Witness Printer took 8.07ms. Allocated memory is still 343.9MB. Free memory was 297.7MB in the beginning and 297.7MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:36:48,354 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 569.49ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 78.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.63ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 73.8MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 92.87ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 66.4MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 751.45ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 41.1MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 12629.56ms. Allocated memory was 117.4MB in the beginning and 343.9MB in the end (delta: 226.5MB). Free memory was 40.8MB in the beginning and 297.7MB in the end (delta: -256.9MB). Peak memory consumption was 152.5MB. Max. memory is 16.1GB. * Witness Printer took 8.07ms. Allocated memory is still 343.9MB. Free memory was 297.7MB in the beginning and 297.7MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 122, overapproximation of someBinaryArithmeticDOUBLEoperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 150, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 166, overapproximation of someBinaryDOUBLEComparisonOperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 148, overapproximation of someBinaryDOUBLEComparisonOperation at line 146, overapproximation of someBinaryDOUBLEComparisonOperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned char var_1_4 = 128; [L24] unsigned char var_1_5 = 1; [L25] unsigned long int var_1_6 = 5; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 64; [L28] unsigned char var_1_11 = 64; [L29] unsigned short int var_1_12 = 25; [L30] unsigned short int var_1_14 = 31408; [L31] double var_1_15 = 64.375; [L32] double var_1_16 = 10.85; [L33] double var_1_17 = 128.8; [L34] double var_1_18 = 2.6; [L35] unsigned char var_1_19 = 0; [L36] unsigned char var_1_20 = 0; [L37] signed short int var_1_21 = -64; [L38] signed long int var_1_22 = -32; [L39] signed char var_1_26 = 25; [L40] signed char var_1_27 = 4; [L41] unsigned long int var_1_28 = 32; [L42] signed short int var_1_30 = 5; [L43] unsigned long int var_1_32 = 4; [L44] float var_1_34 = 31.25; [L45] double var_1_39 = 7.4; [L46] signed long int var_1_44 = 25; [L47] unsigned short int last_1_var_1_12 = 25; [L48] double last_1_var_1_15 = 64.375; VAL [isInitial=0, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L170] isInitial = 1 [L171] FCALL initially() [L173] CALL updateLastVariables() [L162] last_1_var_1_12 = var_1_12 [L163] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L173] RET updateLastVariables() [L174] CALL updateVariables() [L130] var_1_4 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=1, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=1, var_1_6=5, var_1_9=0] [L131] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=1, var_1_6=5, var_1_9=0] [L132] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=1, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=1, var_1_6=5, var_1_9=0] [L132] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=1, var_1_6=5, var_1_9=0] [L133] var_1_5 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_6=5, var_1_9=0] [L134] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_6=5, var_1_9=0] [L135] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L135] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L136] var_1_10 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L137] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L138] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L138] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L139] var_1_11 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_11 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L140] RET assume_abort_if_not(var_1_11 >= 64) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L141] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L141] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L142] var_1_14 = __VERIFIER_nondet_ushort() [L143] CALL assume_abort_if_not(var_1_14 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L143] RET assume_abort_if_not(var_1_14 >= 16383) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L144] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L144] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L145] var_1_16 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L146] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L147] var_1_17 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L148] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L149] var_1_18 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L150] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L151] var_1_20 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L152] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L153] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L153] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=25, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L154] var_1_26 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_26 >= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L155] RET assume_abort_if_not(var_1_26 >= 16) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L156] CALL assume_abort_if_not(var_1_26 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L156] RET assume_abort_if_not(var_1_26 <= 32) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=4, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L157] var_1_27 = __VERIFIER_nondet_char() [L158] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L158] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L159] CALL assume_abort_if_not(var_1_27 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L159] RET assume_abort_if_not(var_1_27 <= 16) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L174] RET updateVariables() [L175] CALL step() [L52] COND FALSE !(last_1_var_1_12 > var_1_4) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L57] COND FALSE !(((- 64) + var_1_6) == var_1_6) [L60] var_1_1 = (((((128) < (var_1_4)) ? (128) : (var_1_4))) - 64) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L62] COND TRUE var_1_5 == (var_1_6 / var_1_4) [L63] var_1_9 = ((((var_1_5) < (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) ? (var_1_5) : (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=-64, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L67] var_1_21 = var_1_10 [L68] unsigned long int stepLocal_3 = var_1_6; [L69] unsigned char stepLocal_2 = var_1_4; VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_2=127, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L70] COND FALSE !(stepLocal_2 < var_1_1) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L75] unsigned long int stepLocal_0 = (((var_1_6) > (var_1_4)) ? (var_1_6) : (var_1_4)); VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_0=127, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=25, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L76] COND TRUE ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) <= stepLocal_0 [L77] var_1_12 = ((var_1_14 - var_1_5) + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L81] signed long int stepLocal_1 = ~ (var_1_5 * var_1_1); VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_1=-1, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=515/8, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L82] COND TRUE stepLocal_1 <= var_1_12 [L83] var_1_15 = (((((5.25 - var_1_16)) > (var_1_17)) ? ((5.25 - var_1_16)) : (var_1_17))) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L87] EXPR ((((var_1_12) < (var_1_5)) ? (var_1_12) : (var_1_5))) >> (var_1_26 - var_1_27) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=-32, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L87] COND FALSE !(var_1_4 <= (((((var_1_12) < (var_1_5)) ? (var_1_12) : (var_1_5))) >> (var_1_26 - var_1_27))) [L90] var_1_22 = var_1_5 VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_26=16, var_1_27=0, var_1_28=32, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L92] COND TRUE 8.4 <= var_1_16 [L93] var_1_28 = (((((((var_1_1) < (var_1_12)) ? (var_1_1) : (var_1_12))) < 0 ) ? -((((var_1_1) < (var_1_12)) ? (var_1_1) : (var_1_12))) : ((((var_1_1) < (var_1_12)) ? (var_1_1) : (var_1_12))))) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_26=16, var_1_27=0, var_1_28=63, var_1_30=5, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L97] COND TRUE var_1_18 == ((((32.5) < (var_1_17)) ? (32.5) : (var_1_17))) [L98] var_1_30 = var_1_27 VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_26=16, var_1_27=0, var_1_28=63, var_1_30=0, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L108] COND FALSE !(\read(var_1_20)) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_26=16, var_1_27=0, var_1_28=63, var_1_30=0, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L111] COND FALSE !(\read(var_1_20)) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_26=16, var_1_27=0, var_1_28=63, var_1_30=0, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L120] COND TRUE -256 < (var_1_4 * 10) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_26=16, var_1_27=0, var_1_28=63, var_1_30=0, var_1_32=4, var_1_34=125/4, var_1_39=37/5, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L121] COND TRUE var_1_17 >= var_1_16 [L122] var_1_39 = (((((((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16)))) > (var_1_16)) ? (((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16)))) : (var_1_16))) - var_1_16) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_26=16, var_1_27=0, var_1_28=63, var_1_30=0, var_1_32=4, var_1_34=125/4, var_1_44=25, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L127] var_1_44 = var_1_1 VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_26=16, var_1_27=0, var_1_28=63, var_1_30=0, var_1_32=4, var_1_34=125/4, var_1_44=63, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L175] RET step() [L176] CALL, EXPR property() [L166-L167] return (((((((((- 64) + var_1_6) == var_1_6) ? (var_1_1 == ((unsigned char) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - var_1_5))) : (var_1_1 == ((unsigned char) (((((128) < (var_1_4)) ? (128) : (var_1_4))) - 64)))) && ((last_1_var_1_12 > var_1_4) ? (((- last_1_var_1_15) < last_1_var_1_15) ? (var_1_6 == ((unsigned long int) 10u)) : 1) : 1)) && ((var_1_5 == (var_1_6 / var_1_4)) ? (var_1_9 == ((unsigned char) ((((var_1_5) < (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) ? (var_1_5) : (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))))) : (var_1_9 == ((unsigned char) ((var_1_10 + var_1_11) - var_1_5))))) && ((((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) <= ((((var_1_6) > (var_1_4)) ? (var_1_6) : (var_1_4)))) ? (var_1_12 == ((unsigned short int) ((var_1_14 - var_1_5) + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))) : (var_1_12 == ((unsigned short int) var_1_6)))) && (((~ (var_1_5 * var_1_1)) <= var_1_12) ? (var_1_15 == ((double) (((((5.25 - var_1_16)) > (var_1_17)) ? ((5.25 - var_1_16)) : (var_1_17))))) : (var_1_15 == ((double) ((((((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16)))) < (var_1_18)) ? (((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16)))) : (var_1_18))))))) && ((var_1_4 < var_1_1) ? ((var_1_6 > var_1_21) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_21 == ((signed short int) var_1_10)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_26=16, var_1_27=0, var_1_28=63, var_1_30=0, var_1_32=4, var_1_34=125/4, var_1_44=63, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L176] RET, EXPR property() [L176] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_26=16, var_1_27=0, var_1_28=63, var_1_30=0, var_1_32=4, var_1_34=125/4, var_1_44=63, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=-449, var_1_11=64, var_1_12=16388, var_1_14=-49153, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=63, var_1_20=0, var_1_21=63, var_1_22=0, var_1_26=16, var_1_27=0, var_1_28=63, var_1_30=0, var_1_32=4, var_1_34=125/4, var_1_44=63, var_1_4=127, var_1_5=0, var_1_6=5, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.4s, OverallIterations: 5, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 1026 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 596 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 419 IncrementalHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 430 mSDtfsCounter, 419 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 662 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=4, InterpolantAutomatonStates: 23, 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, 4 MinimizatonAttempts, 39 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1195 NumberOfCodeBlocks, 1195 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 790 ConstructedInterpolants, 1 QuantifiedInterpolants, 3711 SizeOfPredicates, 10 NumberOfNonLiveVariables, 979 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 3879/4104 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 01:36:48,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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_984f432f-6cee-4b5a-9e52-7d17290fec34/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 7a26da9ee2780f5d9a0a4d48e71eedd7b2efc6ac4df03b63ed45f991a1f4f81b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:36:51,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:36:51,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:36:51,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:36:51,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:36:51,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:36:51,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:36:51,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:36:51,724 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:36:51,725 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:36:51,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:36:51,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:36:51,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:36:51,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:36:51,728 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:36:51,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:36:51,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:36:51,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:36:51,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:36:51,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:36:51,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:36:51,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:36:51,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:36:51,729 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:36:51,729 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:36:51,730 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:36:51,730 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:36:51,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:36:51,730 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:36:51,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:36:51,730 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:36:51,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:36:51,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:36:51,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:36:51,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:36:51,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:36:51,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:36:51,732 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:36:51,732 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:36:51,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:36:51,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:36:51,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:36:51,732 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:36:51,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:36:51,733 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:36:51,733 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:36:51,733 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:36:51,733 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:36:51,733 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:36:51,733 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:36:51,733 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_984f432f-6cee-4b5a-9e52-7d17290fec34/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 -> 7a26da9ee2780f5d9a0a4d48e71eedd7b2efc6ac4df03b63ed45f991a1f4f81b [2024-11-24 01:36:52,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:36:52,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:36:52,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:36:52,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:36:52,055 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:36:52,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i [2024-11-24 01:36:55,360 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/data/61fd292f6/c118b6cd5807457e9ec2bcef2dd24f93/FLAGf8ceaf8df [2024-11-24 01:36:55,723 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:36:55,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i [2024-11-24 01:36:55,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/data/61fd292f6/c118b6cd5807457e9ec2bcef2dd24f93/FLAGf8ceaf8df [2024-11-24 01:36:55,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/data/61fd292f6/c118b6cd5807457e9ec2bcef2dd24f93 [2024-11-24 01:36:55,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:36:55,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:36:55,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:36:55,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:36:55,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:36:55,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:36:55" (1/1) ... [2024-11-24 01:36:55,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e99d429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:55, skipping insertion in model container [2024-11-24 01:36:55,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:36:55" (1/1) ... [2024-11-24 01:36:55,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:36:56,017 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_984f432f-6cee-4b5a-9e52-7d17290fec34/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i[918,931] [2024-11-24 01:36:56,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:36:56,142 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:36:56,155 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_984f432f-6cee-4b5a-9e52-7d17290fec34/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i[918,931] [2024-11-24 01:36:56,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:36:56,218 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:36:56,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56 WrapperNode [2024-11-24 01:36:56,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:36:56,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:36:56,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:36:56,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:36:56,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,273 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2024-11-24 01:36:56,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:36:56,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:36:56,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:36:56,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:36:56,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,293 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,320 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 01:36:56,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:36:56,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:36:56,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:36:56,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:36:56,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (1/1) ... [2024-11-24 01:36:56,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:36:56,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:36:56,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:36:56,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:36:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:36:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:36:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:36:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:36:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:36:56,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:36:56,563 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:36:56,567 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:36:58,138 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-24 01:36:58,138 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:36:58,149 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:36:58,149 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:36:58,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:36:58 BoogieIcfgContainer [2024-11-24 01:36:58,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:36:58,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:36:58,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:36:58,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:36:58,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:36:55" (1/3) ... [2024-11-24 01:36:58,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a34562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:36:58, skipping insertion in model container [2024-11-24 01:36:58,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:56" (2/3) ... [2024-11-24 01:36:58,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a34562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:36:58, skipping insertion in model container [2024-11-24 01:36:58,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:36:58" (3/3) ... [2024-11-24 01:36:58,160 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i [2024-11-24 01:36:58,176 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:36:58,178 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-5.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:36:58,237 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:36:58,271 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;@658eed3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:36:58,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:36:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 01:36:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:36:58,293 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:58,294 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:36:58,295 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:58,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:58,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1452636635, now seen corresponding path program 1 times [2024-11-24 01:36:58,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:36:58,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1476726749] [2024-11-24 01:36:58,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:58,323 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 01:36:58,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:36:58,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:36:58,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:36:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:58,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:36:58,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:36:58,807 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-24 01:36:58,807 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:36:58,808 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:36:58,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1476726749] [2024-11-24 01:36:58,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1476726749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:58,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:58,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:36:58,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786621142] [2024-11-24 01:36:58,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:58,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:36:58,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:36:58,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:36:58,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:36:58,840 INFO L87 Difference]: Start difference. First operand has 72 states, 50 states have (on average 1.48) internal successors, (74), 51 states have internal predecessors, (74), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:36:58,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:58,871 INFO L93 Difference]: Finished difference Result 137 states and 237 transitions. [2024-11-24 01:36:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:36:58,873 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2024-11-24 01:36:58,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:58,881 INFO L225 Difference]: With dead ends: 137 [2024-11-24 01:36:58,881 INFO L226 Difference]: Without dead ends: 68 [2024-11-24 01:36:58,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 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 01:36:58,888 INFO L435 NwaCegarLoop]: 103 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, 103 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 01:36:58,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:36:58,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-24 01:36:58,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-24 01:36:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 47 states have internal predecessors, (65), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 01:36:58,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 103 transitions. [2024-11-24 01:36:58,943 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 103 transitions. Word has length 131 [2024-11-24 01:36:58,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:58,945 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 103 transitions. [2024-11-24 01:36:58,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:36:58,947 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2024-11-24 01:36:58,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:36:58,952 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:58,953 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:36:58,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:36:59,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:36:59,154 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:36:59,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:59,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1986800775, now seen corresponding path program 1 times [2024-11-24 01:36:59,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:36:59,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378507847] [2024-11-24 01:36:59,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:59,156 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 01:36:59,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:36:59,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:36:59,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:36:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:59,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:36:59,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:36:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-24 01:36:59,815 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:36:59,815 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:36:59,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378507847] [2024-11-24 01:36:59,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378507847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:59,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:59,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:36:59,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547830122] [2024-11-24 01:36:59,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:59,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:36:59,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:36:59,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:36:59,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:36:59,822 INFO L87 Difference]: Start difference. First operand 68 states and 103 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:37:00,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:00,415 INFO L93 Difference]: Finished difference Result 133 states and 203 transitions. [2024-11-24 01:37:00,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:37:00,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 132 [2024-11-24 01:37:00,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:00,430 INFO L225 Difference]: With dead ends: 133 [2024-11-24 01:37:00,430 INFO L226 Difference]: Without dead ends: 68 [2024-11-24 01:37:00,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:37:00,432 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:00,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 199 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:37:00,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-24 01:37:00,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-24 01:37:00,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 47 states have internal predecessors, (64), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 01:37:00,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 102 transitions. [2024-11-24 01:37:00,446 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 102 transitions. Word has length 132 [2024-11-24 01:37:00,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:00,448 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 102 transitions. [2024-11-24 01:37:00,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 01:37:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2024-11-24 01:37:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:37:00,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:00,452 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:00,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:37:00,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:37:00,652 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:00,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:00,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1721360507, now seen corresponding path program 1 times [2024-11-24 01:37:00,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:37:00,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509163754] [2024-11-24 01:37:00,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:00,654 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 01:37:00,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:37:00,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:37:00,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:37:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:01,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:37:01,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:37:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-24 01:37:01,356 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:37:01,868 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-24 01:37:01,868 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:37:01,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509163754] [2024-11-24 01:37:01,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509163754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:37:01,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:37:01,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-24 01:37:01,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91384227] [2024-11-24 01:37:01,869 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:37:01,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:37:01,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:37:01,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:37:01,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:37:01,872 INFO L87 Difference]: Start difference. First operand 68 states and 102 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 01:37:02,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:02,798 INFO L93 Difference]: Finished difference Result 139 states and 204 transitions. [2024-11-24 01:37:02,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:37:02,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 132 [2024-11-24 01:37:02,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:02,810 INFO L225 Difference]: With dead ends: 139 [2024-11-24 01:37:02,810 INFO L226 Difference]: Without dead ends: 74 [2024-11-24 01:37:02,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 256 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:37:02,812 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 130 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:02,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 174 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:37:02,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-24 01:37:02,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2024-11-24 01:37:02,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 48 states have internal predecessors, (61), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 01:37:02,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2024-11-24 01:37:02,829 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 132 [2024-11-24 01:37:02,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:02,830 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2024-11-24 01:37:02,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 01:37:02,830 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2024-11-24 01:37:02,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:37:02,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:02,833 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:02,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:37:03,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:37:03,034 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:03,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:03,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1041302137, now seen corresponding path program 1 times [2024-11-24 01:37:03,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:37:03,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690398449] [2024-11-24 01:37:03,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:03,035 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 01:37:03,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:37:03,037 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:37:03,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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)] Waiting until timeout for monitored process [2024-11-24 01:37:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:03,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:37:03,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:37:06,183 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 162 proven. 96 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-24 01:37:06,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:37:07,748 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:37:07,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690398449] [2024-11-24 01:37:07,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690398449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:37:07,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [623448401] [2024-11-24 01:37:07,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:07,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:37:07,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:37:07,761 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:37:07,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 01:37:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:09,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:37:09,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:37:11,165 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 162 proven. 96 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-11-24 01:37:11,165 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:37:12,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [623448401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:37:12,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:37:12,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2024-11-24 01:37:12,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742573068] [2024-11-24 01:37:12,116 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:37:12,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:37:12,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:37:12,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:37:12,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:37:12,119 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-24 01:37:14,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:14,757 INFO L93 Difference]: Finished difference Result 239 states and 331 transitions. [2024-11-24 01:37:14,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:37:14,758 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 132 [2024-11-24 01:37:14,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:14,761 INFO L225 Difference]: With dead ends: 239 [2024-11-24 01:37:14,761 INFO L226 Difference]: Without dead ends: 172 [2024-11-24 01:37:14,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:37:14,763 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 88 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:14,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 411 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-24 01:37:14,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-24 01:37:14,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 150. [2024-11-24 01:37:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 105 states have (on average 1.2571428571428571) internal successors, (132), 105 states have internal predecessors, (132), 38 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 01:37:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 208 transitions. [2024-11-24 01:37:14,789 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 208 transitions. Word has length 132 [2024-11-24 01:37:14,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:14,790 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 208 transitions. [2024-11-24 01:37:14,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-24 01:37:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2024-11-24 01:37:14,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:37:14,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:14,793 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:14,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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)] Ended with exit code 0 [2024-11-24 01:37:15,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-24 01:37:15,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 01:37:15,194 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:15,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:15,195 INFO L85 PathProgramCache]: Analyzing trace with hash -783136699, now seen corresponding path program 1 times [2024-11-24 01:37:15,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:37:15,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586341056] [2024-11-24 01:37:15,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:15,195 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 01:37:15,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:37:15,197 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 01:37:15,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_984f432f-6cee-4b5a-9e52-7d17290fec34/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 (7)] Waiting until timeout for monitored process [2024-11-24 01:37:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:15,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-24 01:37:15,501 INFO L279 TraceCheckSpWp]: Computing forward predicates...