./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.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_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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 f14202f951fe89438d327807ffbecb479f5f15295ecb3a059a45561896451f31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:48:04,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:48:04,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:48:04,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:48:04,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:48:04,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:48:04,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:48:04,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:48:04,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:48:04,259 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:48:04,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:48:04,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:48:04,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:48:04,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:48:04,260 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:48:04,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:48:04,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:48:04,262 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:48:04,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:48:04,262 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:48:04,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:48:04,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:48:04,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:48:04,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:48:04,263 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:48:04,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:48:04,263 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:48:04,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:48:04,264 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:48:04,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:48:04,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:48:04,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:48:04,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:48:04,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:48:04,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:48:04,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:48:04,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:48:04,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:48:04,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:48:04,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:48:04,265 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:48:04,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:48:04,266 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:48:04,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:48:04,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:48:04,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:48:04,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:48:04,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:48:04,266 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_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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 -> f14202f951fe89438d327807ffbecb479f5f15295ecb3a059a45561896451f31 [2024-11-24 00:48:04,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:48:04,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:48:04,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:48:04,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:48:04,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:48:04,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i [2024-11-24 00:48:07,627 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/data/3ff91537e/c9ac44e3a7fc4d31a1c2ac0c3489a42c/FLAG4694f4f1e [2024-11-24 00:48:07,901 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:48:07,901 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i [2024-11-24 00:48:07,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/data/3ff91537e/c9ac44e3a7fc4d31a1c2ac0c3489a42c/FLAG4694f4f1e [2024-11-24 00:48:07,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/data/3ff91537e/c9ac44e3a7fc4d31a1c2ac0c3489a42c [2024-11-24 00:48:07,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:48:07,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:48:07,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:48:07,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:48:07,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:48:07,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:48:07" (1/1) ... [2024-11-24 00:48:07,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427e245e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:07, skipping insertion in model container [2024-11-24 00:48:07,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:48:07" (1/1) ... [2024-11-24 00:48:07,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:48:08,121 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_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i[919,932] [2024-11-24 00:48:08,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:48:08,218 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:48:08,229 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_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i[919,932] [2024-11-24 00:48:08,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:48:08,323 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:48:08,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08 WrapperNode [2024-11-24 00:48:08,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:48:08,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:48:08,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:48:08,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:48:08,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,379 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2024-11-24 00:48:08,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:48:08,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:48:08,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:48:08,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:48:08,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,392 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,408 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:48:08,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,417 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:48:08,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:48:08,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:48:08,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:48:08,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (1/1) ... [2024-11-24 00:48:08,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:48:08,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:48:08,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:48:08,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:48:08,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:48:08,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:48:08,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:48:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:48:08,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:48:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:48:08,613 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:48:08,615 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:48:09,151 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-24 00:48:09,151 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:48:09,167 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:48:09,167 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:48:09,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:48:09 BoogieIcfgContainer [2024-11-24 00:48:09,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:48:09,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:48:09,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:48:09,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:48:09,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:48:07" (1/3) ... [2024-11-24 00:48:09,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7d9fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:48:09, skipping insertion in model container [2024-11-24 00:48:09,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:08" (2/3) ... [2024-11-24 00:48:09,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7d9fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:48:09, skipping insertion in model container [2024-11-24 00:48:09,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:48:09" (3/3) ... [2024-11-24 00:48:09,177 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i [2024-11-24 00:48:09,194 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:48:09,199 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i that has 2 procedures, 91 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:48:09,284 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:48:09,299 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;@308de427, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:48:09,301 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:48:09,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 00:48:09,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 00:48:09,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:09,321 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:09,321 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:09,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:09,328 INFO L85 PathProgramCache]: Analyzing trace with hash 174731053, now seen corresponding path program 1 times [2024-11-24 00:48:09,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:09,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333187661] [2024-11-24 00:48:09,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:09,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:09,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-11-24 00:48:09,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:48:09,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333187661] [2024-11-24 00:48:09,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333187661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:48:09,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001778886] [2024-11-24 00:48:09,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:09,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:48:09,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:48:09,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:48:09,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:48:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:10,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:48:10,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:48:10,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-11-24 00:48:10,060 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:48:10,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001778886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:48:10,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:48:10,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:48:10,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061400781] [2024-11-24 00:48:10,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:48:10,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:48:10,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:48:10,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:48:10,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:48:10,097 INFO L87 Difference]: Start difference. First operand has 91 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 00:48:10,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:10,133 INFO L93 Difference]: Finished difference Result 175 states and 304 transitions. [2024-11-24 00:48:10,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:48:10,135 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 172 [2024-11-24 00:48:10,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:10,142 INFO L225 Difference]: With dead ends: 175 [2024-11-24 00:48:10,142 INFO L226 Difference]: Without dead ends: 87 [2024-11-24 00:48:10,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:48:10,148 INFO L435 NwaCegarLoop]: 133 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, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:10,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:48:10,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-24 00:48:10,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-24 00:48:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 59 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 00:48:10,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 133 transitions. [2024-11-24 00:48:10,192 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 133 transitions. Word has length 172 [2024-11-24 00:48:10,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:10,193 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 133 transitions. [2024-11-24 00:48:10,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 00:48:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 133 transitions. [2024-11-24 00:48:10,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 00:48:10,197 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:10,197 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:10,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:48:10,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:48:10,398 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:10,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:10,399 INFO L85 PathProgramCache]: Analyzing trace with hash 246179513, now seen corresponding path program 1 times [2024-11-24 00:48:10,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:10,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952757651] [2024-11-24 00:48:10,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:10,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-24 00:48:11,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:48:11,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952757651] [2024-11-24 00:48:11,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952757651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:48:11,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:48:11,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:48:11,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023459149] [2024-11-24 00:48:11,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:48:11,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:48:11,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:48:11,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:48:11,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:48:11,106 INFO L87 Difference]: Start difference. First operand 87 states and 133 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-24 00:48:11,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:11,238 INFO L93 Difference]: Finished difference Result 255 states and 393 transitions. [2024-11-24 00:48:11,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:48:11,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-11-24 00:48:11,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:11,242 INFO L225 Difference]: With dead ends: 255 [2024-11-24 00:48:11,242 INFO L226 Difference]: Without dead ends: 171 [2024-11-24 00:48:11,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:48:11,243 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 78 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:11,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 374 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:48:11,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-24 00:48:11,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2024-11-24 00:48:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-24 00:48:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 256 transitions. [2024-11-24 00:48:11,297 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 256 transitions. Word has length 172 [2024-11-24 00:48:11,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:11,298 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 256 transitions. [2024-11-24 00:48:11,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-24 00:48:11,299 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 256 transitions. [2024-11-24 00:48:11,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-24 00:48:11,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:11,305 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:11,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:48:11,306 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:11,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:11,307 INFO L85 PathProgramCache]: Analyzing trace with hash -219057617, now seen corresponding path program 1 times [2024-11-24 00:48:11,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:11,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572495717] [2024-11-24 00:48:11,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:11,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:11,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-24 00:48:11,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:48:11,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572495717] [2024-11-24 00:48:11,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572495717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:48:11,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:48:11,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:48:11,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850827416] [2024-11-24 00:48:11,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:48:11,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:48:11,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:48:11,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:48:11,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:48:11,887 INFO L87 Difference]: Start difference. First operand 167 states and 256 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-24 00:48:12,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:12,141 INFO L93 Difference]: Finished difference Result 333 states and 513 transitions. [2024-11-24 00:48:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:48:12,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2024-11-24 00:48:12,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:12,144 INFO L225 Difference]: With dead ends: 333 [2024-11-24 00:48:12,144 INFO L226 Difference]: Without dead ends: 169 [2024-11-24 00:48:12,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:48:12,146 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 131 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:12,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 192 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:48:12,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-24 00:48:12,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-11-24 00:48:12,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 114 states have (on average 1.3508771929824561) internal successors, (154), 114 states have internal predecessors, (154), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-24 00:48:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 258 transitions. [2024-11-24 00:48:12,181 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 258 transitions. Word has length 173 [2024-11-24 00:48:12,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:12,181 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 258 transitions. [2024-11-24 00:48:12,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-24 00:48:12,182 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 258 transitions. [2024-11-24 00:48:12,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-24 00:48:12,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:12,185 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:12,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:48:12,185 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:12,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:12,186 INFO L85 PathProgramCache]: Analyzing trace with hash -326008827, now seen corresponding path program 1 times [2024-11-24 00:48:12,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:12,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845158869] [2024-11-24 00:48:12,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:12,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:48:12,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1403473224] [2024-11-24 00:48:12,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:12,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:48:12,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:48:12,437 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:48:12,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:48:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:12,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 00:48:12,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:48:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 333 proven. 9 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2024-11-24 00:48:13,033 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:48:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 66 proven. 9 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-24 00:48:14,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:48:14,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845158869] [2024-11-24 00:48:14,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-24 00:48:14,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403473224] [2024-11-24 00:48:14,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403473224] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:48:14,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:48:14,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-24 00:48:14,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118388075] [2024-11-24 00:48:14,108 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:48:14,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 00:48:14,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:48:14,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 00:48:14,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:48:14,111 INFO L87 Difference]: Start difference. First operand 169 states and 258 transitions. Second operand has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-24 00:48:22,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:22,870 INFO L93 Difference]: Finished difference Result 735 states and 1073 transitions. [2024-11-24 00:48:22,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-24 00:48:22,871 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 174 [2024-11-24 00:48:22,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:22,879 INFO L225 Difference]: With dead ends: 735 [2024-11-24 00:48:22,879 INFO L226 Difference]: Without dead ends: 569 [2024-11-24 00:48:22,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=368, Invalid=754, Unknown=0, NotChecked=0, Total=1122 [2024-11-24 00:48:22,882 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 973 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:22,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 390 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-24 00:48:22,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-24 00:48:22,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 417. [2024-11-24 00:48:22,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 324 states have (on average 1.3888888888888888) internal successors, (450), 328 states have internal predecessors, (450), 84 states have call successors, (84), 8 states have call predecessors, (84), 8 states have return successors, (84), 80 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-24 00:48:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 618 transitions. [2024-11-24 00:48:22,993 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 618 transitions. Word has length 174 [2024-11-24 00:48:22,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:22,996 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 618 transitions. [2024-11-24 00:48:22,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-24 00:48:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 618 transitions. [2024-11-24 00:48:22,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-24 00:48:22,999 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:22,999 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:23,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:48:23,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:48:23,202 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:23,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:23,203 INFO L85 PathProgramCache]: Analyzing trace with hash 240587453, now seen corresponding path program 1 times [2024-11-24 00:48:23,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:23,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609089285] [2024-11-24 00:48:23,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:23,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-24 00:48:23,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:48:23,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609089285] [2024-11-24 00:48:23,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609089285] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:48:23,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704850673] [2024-11-24 00:48:23,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:23,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:48:23,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:48:23,553 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:48:23,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:48:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:23,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:48:23,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:48:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 633 proven. 27 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-11-24 00:48:23,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:48:24,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-24 00:48:24,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704850673] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:48:24,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:48:24,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-24 00:48:24,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048815374] [2024-11-24 00:48:24,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:48:24,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:48:24,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:48:24,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:48:24,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:48:24,139 INFO L87 Difference]: Start difference. First operand 417 states and 618 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-24 00:48:24,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:24,391 INFO L93 Difference]: Finished difference Result 855 states and 1255 transitions. [2024-11-24 00:48:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:48:24,392 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 174 [2024-11-24 00:48:24,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:24,399 INFO L225 Difference]: With dead ends: 855 [2024-11-24 00:48:24,399 INFO L226 Difference]: Without dead ends: 441 [2024-11-24 00:48:24,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:48:24,401 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 73 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:24,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 246 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:48:24,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-24 00:48:24,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 425. [2024-11-24 00:48:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 330 states have (on average 1.3636363636363635) internal successors, (450), 334 states have internal predecessors, (450), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 80 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-24 00:48:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 618 transitions. [2024-11-24 00:48:24,473 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 618 transitions. Word has length 174 [2024-11-24 00:48:24,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:24,476 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 618 transitions. [2024-11-24 00:48:24,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-24 00:48:24,476 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 618 transitions. [2024-11-24 00:48:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-24 00:48:24,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:24,479 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:24,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 00:48:24,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:48:24,684 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:24,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:24,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1512402032, now seen corresponding path program 1 times [2024-11-24 00:48:24,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:24,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412212616] [2024-11-24 00:48:24,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:24,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:48:24,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1937385892] [2024-11-24 00:48:24,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:24,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:48:24,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:48:24,831 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:48:24,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 00:48:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:24,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 00:48:24,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:48:25,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-24 00:48:25,580 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:48:26,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:48:26,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412212616] [2024-11-24 00:48:26,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-24 00:48:26,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937385892] [2024-11-24 00:48:26,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937385892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:48:26,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:48:26,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-24 00:48:26,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877078272] [2024-11-24 00:48:26,465 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-24 00:48:26,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:48:26,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:48:26,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:48:26,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:48:26,466 INFO L87 Difference]: Start difference. First operand 425 states and 618 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-24 00:48:27,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:27,236 INFO L93 Difference]: Finished difference Result 961 states and 1354 transitions. [2024-11-24 00:48:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-24 00:48:27,237 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 174 [2024-11-24 00:48:27,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:27,241 INFO L225 Difference]: With dead ends: 961 [2024-11-24 00:48:27,241 INFO L226 Difference]: Without dead ends: 539 [2024-11-24 00:48:27,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2024-11-24 00:48:27,243 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 149 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:27,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 430 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:48:27,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-24 00:48:27,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 327. [2024-11-24 00:48:27,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 262 states have (on average 1.366412213740458) internal successors, (358), 262 states have internal predecessors, (358), 52 states have call successors, (52), 12 states have call predecessors, (52), 12 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-24 00:48:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 462 transitions. [2024-11-24 00:48:27,288 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 462 transitions. Word has length 174 [2024-11-24 00:48:27,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:27,289 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 462 transitions. [2024-11-24 00:48:27,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-24 00:48:27,289 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 462 transitions. [2024-11-24 00:48:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-24 00:48:27,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:27,292 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:27,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 00:48:27,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-24 00:48:27,496 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:27,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:27,496 INFO L85 PathProgramCache]: Analyzing trace with hash -913663408, now seen corresponding path program 1 times [2024-11-24 00:48:27,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:27,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52595226] [2024-11-24 00:48:27,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:27,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:48:27,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1766517871] [2024-11-24 00:48:27,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:27,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:48:27,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:48:27,614 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:48:27,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 00:48:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:27,762 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:48:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:48:27,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:48:27,961 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:48:27,963 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:48:27,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 00:48:28,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-24 00:48:28,169 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:28,337 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:48:28,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:48:28 BoogieIcfgContainer [2024-11-24 00:48:28,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:48:28,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:48:28,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:48:28,343 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:48:28,344 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:48:09" (3/4) ... [2024-11-24 00:48:28,347 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:48:28,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:48:28,352 INFO L158 Benchmark]: Toolchain (without parser) took 20416.63ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 117.3MB in the beginning and 54.1MB in the end (delta: 63.2MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. [2024-11-24 00:48:28,354 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:48:28,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.51ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 101.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:48:28,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.00ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 98.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:48:28,355 INFO L158 Benchmark]: Boogie Preprocessor took 64.58ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 94.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:48:28,355 INFO L158 Benchmark]: RCFGBuilder took 722.73ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 69.9MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 00:48:28,355 INFO L158 Benchmark]: TraceAbstraction took 19172.60ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 69.4MB in the beginning and 54.2MB in the end (delta: 15.2MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-11-24 00:48:28,355 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 176.2MB. Free memory was 54.2MB in the beginning and 54.1MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:48:28,359 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.51ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 101.9MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.00ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 98.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.58ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 94.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 722.73ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 69.9MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 19172.60ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 69.4MB in the beginning and 54.2MB in the end (delta: 15.2MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 176.2MB. Free memory was 54.2MB in the beginning and 54.1MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 146, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryFLOATComparisonOperation at line 177, overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of someBinaryFLOATComparisonOperation at line 151, overapproximation of someBinaryFLOATComparisonOperation at line 152, overapproximation of someBinaryFLOATComparisonOperation at line 177, overapproximation of someBinaryFLOATComparisonOperation at line 142, overapproximation of someBinaryFLOATComparisonOperation at line 144, overapproximation of someBinaryFLOATComparisonOperation at line 140, overapproximation of someBinaryArithmeticFLOAToperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.9; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 31.5; [L26] float var_1_5 = 25.4; [L27] float var_1_6 = 9.5; [L28] float var_1_7 = 63.2; [L29] unsigned long int var_1_8 = 1; [L30] signed short int var_1_10 = -50; [L31] unsigned long int var_1_11 = 8; [L32] unsigned char var_1_12 = 32; [L33] float var_1_13 = 15.625; [L34] unsigned char var_1_14 = 1; [L35] unsigned char var_1_15 = 0; [L36] unsigned char var_1_16 = 1; [L37] unsigned char var_1_17 = 1; [L38] unsigned char var_1_19 = 0; [L39] unsigned char var_1_20 = 8; [L40] unsigned short int var_1_21 = 16; [L41] unsigned short int var_1_22 = 128; [L42] signed short int var_1_23 = 128; [L43] unsigned short int var_1_25 = 32; [L44] unsigned char var_1_29 = 1; [L45] unsigned long int var_1_31 = 0; [L46] unsigned char var_1_32 = 1; [L47] unsigned short int var_1_33 = 1000; [L48] signed char var_1_38 = 25; [L49] unsigned short int var_1_39 = 200; [L50] unsigned char var_1_43 = 10; [L51] unsigned char var_1_47 = 0; VAL [isInitial=0, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L181] isInitial = 1 [L182] FCALL initially() [L184] FCALL updateLastVariables() [L185] CALL updateVariables() [L133] var_1_2 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L134] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L135] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L135] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L136] var_1_3 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L137] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L138] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L138] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L139] var_1_4 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L140] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L141] var_1_5 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L142] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L143] var_1_6 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L144] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L145] var_1_7 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L146] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L147] var_1_11 = __VERIFIER_nondet_ulong() [L148] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L148] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L149] CALL assume_abort_if_not(var_1_11 <= 33) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L149] RET assume_abort_if_not(var_1_11 <= 33) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L150] var_1_13 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L151] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L152] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L152] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L153] var_1_15 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L154] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L155] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L155] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L156] var_1_16 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L157] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L158] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L158] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L159] var_1_17 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L160] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L161] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L161] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L162] var_1_19 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L163] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L164] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L164] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L165] var_1_33 = __VERIFIER_nondet_ushort() [L166] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L166] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L167] CALL assume_abort_if_not(var_1_33 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L167] RET assume_abort_if_not(var_1_33 <= 65535) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L168] CALL assume_abort_if_not(var_1_33 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L168] RET assume_abort_if_not(var_1_33 != 0) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L169] var_1_39 = __VERIFIER_nondet_ushort() [L170] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L170] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L171] CALL assume_abort_if_not(var_1_39 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L171] RET assume_abort_if_not(var_1_39 <= 65535) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L172] CALL assume_abort_if_not(var_1_39 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L172] RET assume_abort_if_not(var_1_39 != 0) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L185] RET updateVariables() [L186] CALL step() [L55] COND TRUE var_1_6 == (var_1_4 / var_1_13) [L56] var_1_12 = var_1_11 VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L58] var_1_20 = var_1_11 [L59] var_1_21 = 8 VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L60] EXPR 2u >> var_1_11 VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L60] COND TRUE (var_1_21 + var_1_12) > (2u >> var_1_11) [L61] COND TRUE var_1_12 != var_1_21 [L62] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L67] COND FALSE !(! var_1_2) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L78] unsigned char stepLocal_1 = var_1_14; [L79] unsigned char stepLocal_0 = var_1_14; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L80] COND TRUE var_1_14 || stepLocal_0 VAL [isInitial=1, stepLocal_1=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L81] COND TRUE stepLocal_1 || var_1_14 [L82] var_1_1 = (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L89] COND FALSE !(var_1_6 > (- var_1_7)) [L94] var_1_8 = var_1_20 VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L96] var_1_22 = var_1_8 [L97] var_1_23 = var_1_12 VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L98] COND FALSE !(var_1_11 < var_1_12) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L103] var_1_29 = var_1_19 VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L104] COND TRUE var_1_11 >= var_1_11 [L105] var_1_31 = ((((var_1_11) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_11) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L107] COND TRUE var_1_20 < (~ (var_1_11 / var_1_33)) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L108] COND TRUE \read(var_1_17) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L109] COND TRUE (var_1_13 * var_1_6) == var_1_5 [L110] var_1_32 = var_1_19 VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L122] COND FALSE !(\read(var_1_19)) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L127] COND TRUE ((((var_1_11) < (var_1_33)) ? (var_1_11) : (var_1_33))) < (var_1_39 + var_1_12) [L128] var_1_43 = ((((var_1_11) < ((((((100 + var_1_11)) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? ((100 + var_1_11)) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))))) ? (var_1_11) : ((((((100 + var_1_11)) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? ((100 + var_1_11)) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))))) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=-4294967296, var_1_47=0, var_1_8=0] [L130] var_1_47 = var_1_11 VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=-4294967296, var_1_47=-4294967296, var_1_8=0] [L186] RET step() [L187] CALL, EXPR property() [L177] EXPR (((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=-4294967296, var_1_47=-4294967296, var_1_8=0] [L177-L178] return ((((((((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1)) && ((var_1_6 == (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned char) var_1_11)) : 1)) && ((! var_1_2) ? ((var_1_2 || var_1_3) ? (var_1_14 == ((unsigned char) ((! (! var_1_15)) && (var_1_16 && var_1_17)))) : ((((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))) >= var_1_21) ? (var_1_14 == ((unsigned char) (var_1_2 || var_1_16))) : (var_1_14 == ((unsigned char) (! var_1_19))))) : 1)) && (var_1_20 == ((unsigned char) var_1_11))) && (var_1_21 == ((unsigned short int) 8))) && (var_1_22 == ((unsigned short int) var_1_8)) ; [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=-4294967296, var_1_47=-4294967296, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=-4294967296, var_1_47=-4294967296, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.9s, OverallIterations: 7, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1462 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1404 mSDsluCounter, 1765 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1073 mSDsCounter, 393 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1209 IncrementalHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 393 mSolverCounterUnsat, 692 mSDtfsCounter, 1209 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1131 GetRequests, 1062 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=425occurred in iteration=5, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 384 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 2083 NumberOfCodeBlocks, 2083 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1723 ConstructedInterpolants, 0 QuantifiedInterpolants, 3913 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1581 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 12797/13000 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:48:28,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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 f14202f951fe89438d327807ffbecb479f5f15295ecb3a059a45561896451f31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:48:30,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:48:31,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:48:31,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:48:31,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:48:31,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:48:31,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:48:31,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:48:31,083 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:48:31,083 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:48:31,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:48:31,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:48:31,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:48:31,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:48:31,084 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:48:31,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:48:31,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:48:31,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:48:31,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:48:31,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:48:31,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:48:31,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:48:31,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:48:31,089 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:48:31,089 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:48:31,089 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:48:31,089 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:48:31,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:48:31,089 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:48:31,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:48:31,090 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:48:31,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:48:31,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:48:31,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:48:31,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:48:31,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:48:31,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:48:31,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:48:31,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:48:31,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:48:31,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:48:31,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:48:31,091 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:48:31,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:48:31,091 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:48:31,091 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:48:31,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:48:31,091 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:48:31,091 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:48:31,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:48:31,091 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_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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 -> f14202f951fe89438d327807ffbecb479f5f15295ecb3a059a45561896451f31 [2024-11-24 00:48:31,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:48:31,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:48:31,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:48:31,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:48:31,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:48:31,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i [2024-11-24 00:48:34,462 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/data/eb6839c75/4bc11c4069644cf3adb196be2dada61c/FLAGe75fd4df4 [2024-11-24 00:48:34,828 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:48:34,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i [2024-11-24 00:48:34,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/data/eb6839c75/4bc11c4069644cf3adb196be2dada61c/FLAGe75fd4df4 [2024-11-24 00:48:35,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/data/eb6839c75/4bc11c4069644cf3adb196be2dada61c [2024-11-24 00:48:35,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:48:35,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:48:35,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:48:35,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:48:35,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:48:35,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a30983a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35, skipping insertion in model container [2024-11-24 00:48:35,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:48:35,247 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_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i[919,932] [2024-11-24 00:48:35,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:48:35,326 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:48:35,336 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_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i[919,932] [2024-11-24 00:48:35,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:48:35,393 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:48:35,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35 WrapperNode [2024-11-24 00:48:35,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:48:35,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:48:35,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:48:35,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:48:35,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,443 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-11-24 00:48:35,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:48:35,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:48:35,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:48:35,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:48:35,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,478 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:48:35,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,488 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:48:35,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:48:35,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:48:35,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:48:35,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (1/1) ... [2024-11-24 00:48:35,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:48:35,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:48:35,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:48:35,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:48:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:48:35,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:48:35,701 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:48:35,705 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:48:40,825 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-24 00:48:40,826 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:48:40,836 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:48:40,836 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:48:40,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:48:40 BoogieIcfgContainer [2024-11-24 00:48:40,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:48:40,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:48:40,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:48:40,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:48:40,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:48:35" (1/3) ... [2024-11-24 00:48:40,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ded39f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:48:40, skipping insertion in model container [2024-11-24 00:48:40,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:48:35" (2/3) ... [2024-11-24 00:48:40,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ded39f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:48:40, skipping insertion in model container [2024-11-24 00:48:40,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:48:40" (3/3) ... [2024-11-24 00:48:40,848 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i [2024-11-24 00:48:40,864 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:48:40,866 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i that has 2 procedures, 84 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:48:40,958 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:48:40,975 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;@7206ff45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:48:40,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:48:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 00:48:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-24 00:48:40,996 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:40,997 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:40,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:41,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:41,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1183784408, now seen corresponding path program 1 times [2024-11-24 00:48:41,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:48:41,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337446036] [2024-11-24 00:48:41,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:41,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:48:41,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:48:41,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:48:41,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 00:48:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:41,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:48:41,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:48:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2024-11-24 00:48:41,721 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:48:41,722 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:48:41,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337446036] [2024-11-24 00:48:41,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1337446036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:48:41,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:48:41,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:48:41,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010673821] [2024-11-24 00:48:41,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:48:41,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:48:41,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:48:41,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:48:41,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:48:41,758 INFO L87 Difference]: Start difference. First operand has 84 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 00:48:41,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:41,806 INFO L93 Difference]: Finished difference Result 161 states and 284 transitions. [2024-11-24 00:48:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:48:41,808 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2024-11-24 00:48:41,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:41,816 INFO L225 Difference]: With dead ends: 161 [2024-11-24 00:48:41,816 INFO L226 Difference]: Without dead ends: 80 [2024-11-24 00:48:41,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:48:41,826 INFO L435 NwaCegarLoop]: 122 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, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:41,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:48:41,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-24 00:48:41,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-24 00:48:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 00:48:41,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 122 transitions. [2024-11-24 00:48:41,869 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 122 transitions. Word has length 169 [2024-11-24 00:48:41,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:41,870 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 122 transitions. [2024-11-24 00:48:41,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 00:48:41,870 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 122 transitions. [2024-11-24 00:48:41,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-24 00:48:41,875 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:41,875 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:41,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 00:48:42,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:48:42,076 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:42,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:42,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1397158348, now seen corresponding path program 1 times [2024-11-24 00:48:42,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:48:42,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610810624] [2024-11-24 00:48:42,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:42,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:48:42,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:48:42,081 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:48:42,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 00:48:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:42,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:48:42,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:48:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 619 proven. 48 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2024-11-24 00:48:43,637 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:48:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-24 00:48:44,127 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:48:44,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610810624] [2024-11-24 00:48:44,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1610810624] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:48:44,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:48:44,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-24 00:48:44,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164274346] [2024-11-24 00:48:44,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:48:44,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:48:44,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:48:44,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:48:44,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:48:44,130 INFO L87 Difference]: Start difference. First operand 80 states and 122 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-24 00:48:47,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:48:47,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:47,897 INFO L93 Difference]: Finished difference Result 161 states and 244 transitions. [2024-11-24 00:48:47,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:48:47,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2024-11-24 00:48:47,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:47,922 INFO L225 Difference]: With dead ends: 161 [2024-11-24 00:48:47,922 INFO L226 Difference]: Without dead ends: 84 [2024-11-24 00:48:47,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:48:47,924 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 72 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:47,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 148 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-24 00:48:47,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-24 00:48:47,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-24 00:48:47,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 55 states have (on average 1.309090909090909) internal successors, (72), 55 states have internal predecessors, (72), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 00:48:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 124 transitions. [2024-11-24 00:48:47,950 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 124 transitions. Word has length 169 [2024-11-24 00:48:47,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:47,951 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 124 transitions. [2024-11-24 00:48:47,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-24 00:48:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2024-11-24 00:48:47,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-24 00:48:47,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:47,955 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:47,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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)] Ended with exit code 0 [2024-11-24 00:48:48,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:48:48,156 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:48,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:48,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1482391893, now seen corresponding path program 1 times [2024-11-24 00:48:48,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:48:48,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008289417] [2024-11-24 00:48:48,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:48,158 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:48:48,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:48:48,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:48:48,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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 00:48:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:48,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:48:48,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:48:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-24 00:48:49,729 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:48:49,729 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:48:49,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008289417] [2024-11-24 00:48:49,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008289417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:48:49,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:48:49,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:48:49,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31053560] [2024-11-24 00:48:49,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:48:49,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:48:49,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:48:49,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:48:49,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:48:49,732 INFO L87 Difference]: Start difference. First operand 84 states and 124 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-24 00:48:53,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:48:53,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:53,107 INFO L93 Difference]: Finished difference Result 246 states and 366 transitions. [2024-11-24 00:48:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:48:53,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-24 00:48:53,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:53,139 INFO L225 Difference]: With dead ends: 246 [2024-11-24 00:48:53,139 INFO L226 Difference]: Without dead ends: 165 [2024-11-24 00:48:53,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:48:53,141 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 37 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:53,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 341 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-24 00:48:53,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-24 00:48:53,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2024-11-24 00:48:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 104 states have (on average 1.2884615384615385) internal successors, (134), 104 states have internal predecessors, (134), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-24 00:48:53,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 238 transitions. [2024-11-24 00:48:53,173 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 238 transitions. Word has length 170 [2024-11-24 00:48:53,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:53,174 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 238 transitions. [2024-11-24 00:48:53,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-24 00:48:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 238 transitions. [2024-11-24 00:48:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 00:48:53,178 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:53,178 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:48:53,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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)] Ended with exit code 0 [2024-11-24 00:48:53,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:48:53,379 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:53,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:53,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1248506696, now seen corresponding path program 1 times [2024-11-24 00:48:53,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:48:53,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555643113] [2024-11-24 00:48:53,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:53,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:48:53,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:48:53,382 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:48:53,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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 00:48:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:53,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 00:48:53,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:48:55,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-24 00:48:55,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:48:55,807 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:48:55,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555643113] [2024-11-24 00:48:55,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555643113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:48:55,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [56665293] [2024-11-24 00:48:55,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:55,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:48:55,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:48:55,820 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:48:55,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 00:48:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:56,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:48:56,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:48:58,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-24 00:48:58,041 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:48:58,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [56665293] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:48:58,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:48:58,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2024-11-24 00:48:58,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160116354] [2024-11-24 00:48:58,578 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:48:58,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:48:58,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:48:58,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:48:58,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:48:58,580 INFO L87 Difference]: Start difference. First operand 161 states and 238 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-24 00:49:02,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:49:03,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:49:03,025 INFO L93 Difference]: Finished difference Result 349 states and 497 transitions. [2024-11-24 00:49:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:49:03,056 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 171 [2024-11-24 00:49:03,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:49:03,059 INFO L225 Difference]: With dead ends: 349 [2024-11-24 00:49:03,059 INFO L226 Difference]: Without dead ends: 191 [2024-11-24 00:49:03,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:49:03,061 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 52 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:49:03,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 187 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 00:49:03,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-24 00:49:03,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 175. [2024-11-24 00:49:03,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 114 states have internal predecessors, (140), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-24 00:49:03,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 244 transitions. [2024-11-24 00:49:03,091 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 244 transitions. Word has length 171 [2024-11-24 00:49:03,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:49:03,092 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 244 transitions. [2024-11-24 00:49:03,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-24 00:49:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 244 transitions. [2024-11-24 00:49:03,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 00:49:03,099 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:49:03,100 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:49:03,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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 00:49:03,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-24 00:49:03,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:49:03,500 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:49:03,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:49:03,501 INFO L85 PathProgramCache]: Analyzing trace with hash 714091888, now seen corresponding path program 1 times [2024-11-24 00:49:03,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:49:03,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729112626] [2024-11-24 00:49:03,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:49:03,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:49:03,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:49:03,506 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:49:03,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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 00:49:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:49:04,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:49:04,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:49:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 633 proven. 27 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-11-24 00:49:04,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:49:05,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-24 00:49:05,347 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:49:05,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729112626] [2024-11-24 00:49:05,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729112626] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:49:05,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:49:05,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-24 00:49:05,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799779259] [2024-11-24 00:49:05,348 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:49:05,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:49:05,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:49:05,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:49:05,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:49:05,350 INFO L87 Difference]: Start difference. First operand 175 states and 244 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-24 00:49:08,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:49:08,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:49:08,620 INFO L93 Difference]: Finished difference Result 371 states and 507 transitions. [2024-11-24 00:49:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:49:08,646 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 171 [2024-11-24 00:49:08,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:49:08,649 INFO L225 Difference]: With dead ends: 371 [2024-11-24 00:49:08,649 INFO L226 Difference]: Without dead ends: 199 [2024-11-24 00:49:08,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 334 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:49:08,650 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 101 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:49:08,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 205 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-24 00:49:08,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-24 00:49:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 183. [2024-11-24 00:49:08,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 120 states have (on average 1.2) internal successors, (144), 120 states have internal predecessors, (144), 52 states have call successors, (52), 10 states have call predecessors, (52), 10 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-24 00:49:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 248 transitions. [2024-11-24 00:49:08,683 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 248 transitions. Word has length 171 [2024-11-24 00:49:08,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:49:08,683 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 248 transitions. [2024-11-24 00:49:08,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-24 00:49:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 248 transitions. [2024-11-24 00:49:08,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 00:49:08,686 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:49:08,686 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:49:08,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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)] Ended with exit code 0 [2024-11-24 00:49:08,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:49:08,887 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:49:08,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:49:08,888 INFO L85 PathProgramCache]: Analyzing trace with hash 526937976, now seen corresponding path program 1 times [2024-11-24 00:49:08,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:49:08,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121598594] [2024-11-24 00:49:08,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:49:08,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:49:08,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:49:08,890 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:49:08,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/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 (8)] Waiting until timeout for monitored process [2024-11-24 00:49:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:49:09,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:49:09,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:49:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 46 proven. 576 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2024-11-24 00:49:13,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:49:14,217 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:49:14,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121598594] [2024-11-24 00:49:14,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1121598594] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:49:14,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2053089855] [2024-11-24 00:49:14,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:49:14,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:49:14,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:49:14,219 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:49:14,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e9ed72-788c-4c71-8cec-f38e2e72a8e0/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-24 00:49:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:49:15,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-24 00:49:15,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:50:04,459 WARN L286 SmtUtils]: Spent 8.73s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:50:46,218 WARN L286 SmtUtils]: Spent 13.79s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:51:47,829 WARN L286 SmtUtils]: Spent 16.90s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:52:33,956 WARN L286 SmtUtils]: Spent 13.65s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:53:17,788 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:54:03,111 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:56:13,548 WARN L286 SmtUtils]: Spent 1.26m on a formula simplification that was a NOOP. DAG size: 68 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:56:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 444 proven. 216 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-11-24 00:56:13,694 INFO L312 TraceCheckSpWp]: Computing backward predicates...