./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1 --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 0facbc53e01d120e629a50b5211a29fd2bc23d2bc5e324a9623e8d1b2c65da11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:21:05,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:21:05,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:21:05,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:21:05,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:21:05,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:21:05,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:21:05,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:21:05,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:21:05,241 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:21:05,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:21:05,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:21:05,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:21:05,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:21:05,242 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:21:05,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:21:05,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:21:05,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:21:05,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:21:05,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:21:05,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:21:05,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:21:05,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:21:05,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:21:05,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:21:05,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:21:05,243 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:21:05,243 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:21:05,243 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:21:05,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:21:05,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:21:05,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:21:05,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:21:05,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:21:05,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:21:05,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:21:05,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:21:05,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:21:05,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:21:05,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:21:05,244 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:21:05,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:21:05,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:21:05,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:21:05,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:21:05,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:21:05,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:21:05,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:21:05,245 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_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1 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 -> 0facbc53e01d120e629a50b5211a29fd2bc23d2bc5e324a9623e8d1b2c65da11 [2024-12-02 10:21:05,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:21:05,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:21:05,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:21:05,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:21:05,520 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:21:05,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-12-02 10:21:08,218 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/data/2501db918/03a2a338e4cc4eb5868b8af3641fa4ec/FLAGcf77d5ee8 [2024-12-02 10:21:08,443 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:21:08,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-12-02 10:21:08,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/data/2501db918/03a2a338e4cc4eb5868b8af3641fa4ec/FLAGcf77d5ee8 [2024-12-02 10:21:08,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/data/2501db918/03a2a338e4cc4eb5868b8af3641fa4ec [2024-12-02 10:21:08,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:21:08,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:21:08,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:21:08,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:21:08,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:21:08,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:21:08" (1/1) ... [2024-12-02 10:21:08,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59644423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:08, skipping insertion in model container [2024-12-02 10:21:08,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:21:08" (1/1) ... [2024-12-02 10:21:08,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:21:08,964 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_079e3a9a-e088-43df-850f-7a77340439b4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i[916,929] [2024-12-02 10:21:09,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:21:09,057 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:21:09,068 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_079e3a9a-e088-43df-850f-7a77340439b4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i[916,929] [2024-12-02 10:21:09,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:21:09,122 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:21:09,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09 WrapperNode [2024-12-02 10:21:09,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:21:09,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:21:09,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:21:09,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:21:09,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,180 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 263 [2024-12-02 10:21:09,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:21:09,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:21:09,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:21:09,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:21:09,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,196 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,216 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]. [2024-12-02 10:21:09,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,228 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:21:09,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:21:09,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:21:09,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:21:09,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (1/1) ... [2024-12-02 10:21:09,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:21:09,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:21:09,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:21:09,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:21:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:21:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:21:09,312 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:21:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:21:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:21:09,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:21:09,381 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:21:09,383 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:21:09,858 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-12-02 10:21:09,858 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:21:09,868 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:21:09,868 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 10:21:09,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:21:09 BoogieIcfgContainer [2024-12-02 10:21:09,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:21:09,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:21:09,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:21:09,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:21:09,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:21:08" (1/3) ... [2024-12-02 10:21:09,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a090a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:21:09, skipping insertion in model container [2024-12-02 10:21:09,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:09" (2/3) ... [2024-12-02 10:21:09,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a090a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:21:09, skipping insertion in model container [2024-12-02 10:21:09,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:21:09" (3/3) ... [2024-12-02 10:21:09,876 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-12-02 10:21:09,888 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:21:09,891 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-31.i that has 2 procedures, 107 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:21:09,940 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:21:09,950 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;@769ccde8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:21:09,950 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:21:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 78 states have (on average 1.4615384615384615) internal successors, (114), 79 states have internal predecessors, (114), 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) [2024-12-02 10:21:09,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-12-02 10:21:09,964 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:09,965 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] [2024-12-02 10:21:09,965 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:09,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:09,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1344911205, now seen corresponding path program 1 times [2024-12-02 10:21:09,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:09,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724679653] [2024-12-02 10:21:09,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:09,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:10,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-12-02 10:21:10,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:10,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724679653] [2024-12-02 10:21:10,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724679653] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:21:10,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853719514] [2024-12-02 10:21:10,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:10,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:21:10,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:21:10,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:21:10,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:21:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:10,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:21:10,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:21:10,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-12-02 10:21:10,477 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:21:10,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853719514] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:10,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:21:10,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 10:21:10,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122967538] [2024-12-02 10:21:10,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:10,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:21:10,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:10,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:21:10,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:21:10,506 INFO L87 Difference]: Start difference. First operand has 107 states, 78 states have (on average 1.4615384615384615) internal successors, (114), 79 states have internal predecessors, (114), 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 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2024-12-02 10:21:10,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:10,532 INFO L93 Difference]: Finished difference Result 201 states and 340 transitions. [2024-12-02 10:21:10,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:21:10,534 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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 173 [2024-12-02 10:21:10,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:10,540 INFO L225 Difference]: With dead ends: 201 [2024-12-02 10:21:10,540 INFO L226 Difference]: Without dead ends: 93 [2024-12-02 10:21:10,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:21:10,546 INFO L435 NwaCegarLoop]: 147 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, 147 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 [2024-12-02 10:21:10,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:21:10,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-12-02 10:21:10,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-12-02 10:21:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 65 states have (on average 1.4) internal successors, (91), 65 states have internal predecessors, (91), 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) [2024-12-02 10:21:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 143 transitions. [2024-12-02 10:21:10,589 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 143 transitions. Word has length 173 [2024-12-02 10:21:10,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:10,590 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 143 transitions. [2024-12-02 10:21:10,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2024-12-02 10:21:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2024-12-02 10:21:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-12-02 10:21:10,593 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:10,594 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] [2024-12-02 10:21:10,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:21:10,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:21:10,794 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:10,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:10,795 INFO L85 PathProgramCache]: Analyzing trace with hash 324112611, now seen corresponding path program 1 times [2024-12-02 10:21:10,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:10,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452665957] [2024-12-02 10:21:10,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:10,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:11,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:11,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452665957] [2024-12-02 10:21:11,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452665957] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:11,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:11,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:21:11,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038706936] [2024-12-02 10:21:11,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:11,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:21:11,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:11,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:21:11,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:21:11,329 INFO L87 Difference]: Start difference. First operand 93 states and 143 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) [2024-12-02 10:21:11,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:11,603 INFO L93 Difference]: Finished difference Result 275 states and 425 transitions. [2024-12-02 10:21:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:21:11,604 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 [2024-12-02 10:21:11,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:11,607 INFO L225 Difference]: With dead ends: 275 [2024-12-02 10:21:11,607 INFO L226 Difference]: Without dead ends: 185 [2024-12-02 10:21:11,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:21:11,609 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 93 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:11,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 385 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:21:11,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-12-02 10:21:11,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 153. [2024-12-02 10:21:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 98 states have (on average 1.3571428571428572) internal successors, (133), 98 states have internal predecessors, (133), 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) [2024-12-02 10:21:11,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 237 transitions. [2024-12-02 10:21:11,643 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 237 transitions. Word has length 173 [2024-12-02 10:21:11,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:11,644 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 237 transitions. [2024-12-02 10:21:11,644 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) [2024-12-02 10:21:11,644 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 237 transitions. [2024-12-02 10:21:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-12-02 10:21:11,647 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:11,647 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] [2024-12-02 10:21:11,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:21:11,648 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:11,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:11,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2030393744, now seen corresponding path program 1 times [2024-12-02 10:21:11,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:11,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589242639] [2024-12-02 10:21:11,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:11,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:11,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:11,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589242639] [2024-12-02 10:21:11,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589242639] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:11,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:11,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:21:11,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646508779] [2024-12-02 10:21:11,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:11,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:21:11,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:11,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:21:11,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:21:11,941 INFO L87 Difference]: Start difference. First operand 153 states and 237 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-12-02 10:21:12,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:12,166 INFO L93 Difference]: Finished difference Result 275 states and 424 transitions. [2024-12-02 10:21:12,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:21:12,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 174 [2024-12-02 10:21:12,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:12,169 INFO L225 Difference]: With dead ends: 275 [2024-12-02 10:21:12,170 INFO L226 Difference]: Without dead ends: 185 [2024-12-02 10:21:12,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:21:12,171 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 91 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:12,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 387 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:21:12,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-12-02 10:21:12,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 154. [2024-12-02 10:21:12,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 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) [2024-12-02 10:21:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 238 transitions. [2024-12-02 10:21:12,201 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 238 transitions. Word has length 174 [2024-12-02 10:21:12,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:12,202 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 238 transitions. [2024-12-02 10:21:12,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-12-02 10:21:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 238 transitions. [2024-12-02 10:21:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-12-02 10:21:12,204 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:12,204 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] [2024-12-02 10:21:12,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:21:12,205 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:12,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:12,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1853898784, now seen corresponding path program 1 times [2024-12-02 10:21:12,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:12,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210971398] [2024-12-02 10:21:12,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:12,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:12,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:12,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:12,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210971398] [2024-12-02 10:21:12,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210971398] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:12,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:12,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:21:12,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717252958] [2024-12-02 10:21:12,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:12,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:21:12,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:12,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:21:12,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:21:12,811 INFO L87 Difference]: Start difference. First operand 154 states and 238 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-12-02 10:21:13,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:13,275 INFO L93 Difference]: Finished difference Result 326 states and 494 transitions. [2024-12-02 10:21:13,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:21:13,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 175 [2024-12-02 10:21:13,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:13,280 INFO L225 Difference]: With dead ends: 326 [2024-12-02 10:21:13,280 INFO L226 Difference]: Without dead ends: 236 [2024-12-02 10:21:13,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:21:13,281 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 188 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:13,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 327 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:21:13,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-12-02 10:21:13,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 163. [2024-12-02 10:21:13,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 106 states have (on average 1.330188679245283) internal successors, (141), 106 states have internal predecessors, (141), 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) [2024-12-02 10:21:13,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 245 transitions. [2024-12-02 10:21:13,330 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 245 transitions. Word has length 175 [2024-12-02 10:21:13,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:13,330 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 245 transitions. [2024-12-02 10:21:13,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-12-02 10:21:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 245 transitions. [2024-12-02 10:21:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-12-02 10:21:13,334 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:13,334 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] [2024-12-02 10:21:13,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:21:13,334 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:13,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:13,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1044552158, now seen corresponding path program 1 times [2024-12-02 10:21:13,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:13,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971617585] [2024-12-02 10:21:13,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:13,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:13,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:13,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971617585] [2024-12-02 10:21:13,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971617585] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:13,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:13,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:21:13,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111410650] [2024-12-02 10:21:13,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:13,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:21:13,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:13,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:21:13,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:21:13,786 INFO L87 Difference]: Start difference. First operand 163 states and 245 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-12-02 10:21:14,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:14,019 INFO L93 Difference]: Finished difference Result 309 states and 465 transitions. [2024-12-02 10:21:14,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:21:14,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 175 [2024-12-02 10:21:14,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:14,023 INFO L225 Difference]: With dead ends: 309 [2024-12-02 10:21:14,023 INFO L226 Difference]: Without dead ends: 203 [2024-12-02 10:21:14,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:21:14,024 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 98 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:14,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 398 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:21:14,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-12-02 10:21:14,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 165. [2024-12-02 10:21:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 108 states have (on average 1.287037037037037) internal successors, (139), 108 states have internal predecessors, (139), 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) [2024-12-02 10:21:14,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 243 transitions. [2024-12-02 10:21:14,056 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 243 transitions. Word has length 175 [2024-12-02 10:21:14,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:14,056 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 243 transitions. [2024-12-02 10:21:14,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-12-02 10:21:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2024-12-02 10:21:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 10:21:14,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:14,059 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, 1] [2024-12-02 10:21:14,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:21:14,059 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:14,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:14,060 INFO L85 PathProgramCache]: Analyzing trace with hash -772900287, now seen corresponding path program 1 times [2024-12-02 10:21:14,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:14,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314279070] [2024-12-02 10:21:14,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:14,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:14,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:14,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:14,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314279070] [2024-12-02 10:21:14,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314279070] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:14,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:14,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:21:14,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367578399] [2024-12-02 10:21:14,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:14,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:21:14,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:14,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:21:14,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:21:14,375 INFO L87 Difference]: Start difference. First operand 165 states and 243 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-12-02 10:21:14,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:14,650 INFO L93 Difference]: Finished difference Result 439 states and 650 transitions. [2024-12-02 10:21:14,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 10:21:14,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 176 [2024-12-02 10:21:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:14,652 INFO L225 Difference]: With dead ends: 439 [2024-12-02 10:21:14,653 INFO L226 Difference]: Without dead ends: 335 [2024-12-02 10:21:14,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:21:14,654 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 215 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:14,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 661 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:21:14,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-12-02 10:21:14,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 241. [2024-12-02 10:21:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 156 states have (on average 1.2564102564102564) internal successors, (196), 156 states have internal predecessors, (196), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-12-02 10:21:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 352 transitions. [2024-12-02 10:21:14,688 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 352 transitions. Word has length 176 [2024-12-02 10:21:14,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:14,688 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 352 transitions. [2024-12-02 10:21:14,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2024-12-02 10:21:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 352 transitions. [2024-12-02 10:21:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 10:21:14,690 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:14,691 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, 1] [2024-12-02 10:21:14,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:21:14,691 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:14,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:14,691 INFO L85 PathProgramCache]: Analyzing trace with hash -554045569, now seen corresponding path program 1 times [2024-12-02 10:21:14,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:14,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668620264] [2024-12-02 10:21:14,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:14,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:19,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:19,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:19,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668620264] [2024-12-02 10:21:19,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668620264] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:19,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:19,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 10:21:19,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624144224] [2024-12-02 10:21:19,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:19,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 10:21:19,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:19,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 10:21:19,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:21:19,568 INFO L87 Difference]: Start difference. First operand 241 states and 352 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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) [2024-12-02 10:21:20,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:20,901 INFO L93 Difference]: Finished difference Result 589 states and 842 transitions. [2024-12-02 10:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 10:21:20,902 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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 176 [2024-12-02 10:21:20,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:20,905 INFO L225 Difference]: With dead ends: 589 [2024-12-02 10:21:20,905 INFO L226 Difference]: Without dead ends: 415 [2024-12-02 10:21:20,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-12-02 10:21:20,907 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 169 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:20,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 693 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 10:21:20,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-12-02 10:21:20,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 350. [2024-12-02 10:21:20,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 242 states have (on average 1.28099173553719) internal successors, (310), 244 states have internal predecessors, (310), 96 states have call successors, (96), 11 states have call predecessors, (96), 11 states have return successors, (96), 94 states have call predecessors, (96), 96 states have call successors, (96) [2024-12-02 10:21:20,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 502 transitions. [2024-12-02 10:21:20,948 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 502 transitions. Word has length 176 [2024-12-02 10:21:20,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:20,949 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 502 transitions. [2024-12-02 10:21:20,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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) [2024-12-02 10:21:20,949 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 502 transitions. [2024-12-02 10:21:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 10:21:20,951 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:20,951 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, 1] [2024-12-02 10:21:20,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 10:21:20,952 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:20,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:20,952 INFO L85 PathProgramCache]: Analyzing trace with hash 935359427, now seen corresponding path program 1 times [2024-12-02 10:21:20,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:20,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281284728] [2024-12-02 10:21:20,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:20,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:21,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:21,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281284728] [2024-12-02 10:21:21,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281284728] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:21,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:21,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 10:21:21,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913306079] [2024-12-02 10:21:21,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:21,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:21:21,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:21,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:21:21,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:21:21,419 INFO L87 Difference]: Start difference. First operand 350 states and 502 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2024-12-02 10:21:21,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:21,936 INFO L93 Difference]: Finished difference Result 810 states and 1166 transitions. [2024-12-02 10:21:21,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 10:21:21,937 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 176 [2024-12-02 10:21:21,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:21,942 INFO L225 Difference]: With dead ends: 810 [2024-12-02 10:21:21,942 INFO L226 Difference]: Without dead ends: 531 [2024-12-02 10:21:21,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-12-02 10:21:21,943 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 313 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:21,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 668 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:21:21,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-12-02 10:21:21,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 511. [2024-12-02 10:21:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 345 states have (on average 1.2579710144927536) internal successors, (434), 349 states have internal predecessors, (434), 148 states have call successors, (148), 17 states have call predecessors, (148), 17 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-12-02 10:21:21,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 730 transitions. [2024-12-02 10:21:21,998 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 730 transitions. Word has length 176 [2024-12-02 10:21:21,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:21,998 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 730 transitions. [2024-12-02 10:21:21,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2024-12-02 10:21:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 730 transitions. [2024-12-02 10:21:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 10:21:22,000 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:22,000 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, 1] [2024-12-02 10:21:22,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:21:22,001 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:22,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:22,001 INFO L85 PathProgramCache]: Analyzing trace with hash -212766013, now seen corresponding path program 1 times [2024-12-02 10:21:22,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:22,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67009410] [2024-12-02 10:21:22,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:22,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:22,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:22,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67009410] [2024-12-02 10:21:22,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67009410] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:22,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:22,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 10:21:22,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843734794] [2024-12-02 10:21:22,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:22,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:21:22,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:22,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:21:22,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:21:22,449 INFO L87 Difference]: Start difference. First operand 511 states and 730 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2024-12-02 10:21:23,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:23,021 INFO L93 Difference]: Finished difference Result 933 states and 1336 transitions. [2024-12-02 10:21:23,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:21:23,022 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 176 [2024-12-02 10:21:23,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:23,026 INFO L225 Difference]: With dead ends: 933 [2024-12-02 10:21:23,026 INFO L226 Difference]: Without dead ends: 526 [2024-12-02 10:21:23,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:21:23,028 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 381 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:23,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 652 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 10:21:23,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-12-02 10:21:23,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 509. [2024-12-02 10:21:23,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 343 states have (on average 1.250728862973761) internal successors, (429), 347 states have internal predecessors, (429), 148 states have call successors, (148), 17 states have call predecessors, (148), 17 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-12-02 10:21:23,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 725 transitions. [2024-12-02 10:21:23,107 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 725 transitions. Word has length 176 [2024-12-02 10:21:23,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:23,107 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 725 transitions. [2024-12-02 10:21:23,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2024-12-02 10:21:23,107 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 725 transitions. [2024-12-02 10:21:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 10:21:23,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:23,110 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, 1] [2024-12-02 10:21:23,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 10:21:23,110 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:23,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:23,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1022112639, now seen corresponding path program 1 times [2024-12-02 10:21:23,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:23,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216500786] [2024-12-02 10:21:23,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:23,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:24,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:24,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216500786] [2024-12-02 10:21:24,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216500786] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:24,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:24,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 10:21:24,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952520718] [2024-12-02 10:21:24,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:24,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:21:24,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:24,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:21:24,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:21:24,857 INFO L87 Difference]: Start difference. First operand 509 states and 725 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 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) [2024-12-02 10:21:25,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:25,518 INFO L93 Difference]: Finished difference Result 940 states and 1324 transitions. [2024-12-02 10:21:25,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:21:25,518 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 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 176 [2024-12-02 10:21:25,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:25,523 INFO L225 Difference]: With dead ends: 940 [2024-12-02 10:21:25,523 INFO L226 Difference]: Without dead ends: 603 [2024-12-02 10:21:25,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:21:25,525 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 141 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:25,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 698 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 10:21:25,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-12-02 10:21:25,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 508. [2024-12-02 10:21:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 342 states have (on average 1.2543859649122806) internal successors, (429), 346 states have internal predecessors, (429), 148 states have call successors, (148), 17 states have call predecessors, (148), 17 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-12-02 10:21:25,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 725 transitions. [2024-12-02 10:21:25,611 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 725 transitions. Word has length 176 [2024-12-02 10:21:25,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:25,611 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 725 transitions. [2024-12-02 10:21:25,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 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) [2024-12-02 10:21:25,611 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 725 transitions. [2024-12-02 10:21:25,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 10:21:25,614 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:25,614 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, 1, 1] [2024-12-02 10:21:25,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 10:21:25,614 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:25,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:25,615 INFO L85 PathProgramCache]: Analyzing trace with hash -628740786, now seen corresponding path program 1 times [2024-12-02 10:21:25,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:25,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623031804] [2024-12-02 10:21:25,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:25,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:27,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:27,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623031804] [2024-12-02 10:21:27,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623031804] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:27,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:27,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 10:21:27,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473135710] [2024-12-02 10:21:27,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:27,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 10:21:27,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:27,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 10:21:27,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:21:27,765 INFO L87 Difference]: Start difference. First operand 508 states and 725 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-12-02 10:21:28,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:28,850 INFO L93 Difference]: Finished difference Result 1211 states and 1705 transitions. [2024-12-02 10:21:28,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 10:21:28,851 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 177 [2024-12-02 10:21:28,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:28,856 INFO L225 Difference]: With dead ends: 1211 [2024-12-02 10:21:28,857 INFO L226 Difference]: Without dead ends: 873 [2024-12-02 10:21:28,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2024-12-02 10:21:28,859 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 258 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:28,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 929 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 10:21:28,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2024-12-02 10:21:28,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 521. [2024-12-02 10:21:28,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 355 states have (on average 1.267605633802817) internal successors, (450), 359 states have internal predecessors, (450), 148 states have call successors, (148), 17 states have call predecessors, (148), 17 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-12-02 10:21:28,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 746 transitions. [2024-12-02 10:21:28,945 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 746 transitions. Word has length 177 [2024-12-02 10:21:28,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:28,946 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 746 transitions. [2024-12-02 10:21:28,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-12-02 10:21:28,946 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 746 transitions. [2024-12-02 10:21:28,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 10:21:28,947 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:28,947 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, 1, 1] [2024-12-02 10:21:28,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 10:21:28,947 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:28,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:28,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1776866226, now seen corresponding path program 1 times [2024-12-02 10:21:28,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:28,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624085688] [2024-12-02 10:21:28,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:28,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:29,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:29,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:29,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624085688] [2024-12-02 10:21:29,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624085688] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:29,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:29,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 10:21:29,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542851671] [2024-12-02 10:21:29,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:29,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 10:21:29,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:29,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 10:21:29,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:21:29,562 INFO L87 Difference]: Start difference. First operand 521 states and 746 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-12-02 10:21:30,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:30,134 INFO L93 Difference]: Finished difference Result 967 states and 1377 transitions. [2024-12-02 10:21:30,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 10:21:30,135 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 177 [2024-12-02 10:21:30,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:30,139 INFO L225 Difference]: With dead ends: 967 [2024-12-02 10:21:30,139 INFO L226 Difference]: Without dead ends: 612 [2024-12-02 10:21:30,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=389, Unknown=0, NotChecked=0, Total=552 [2024-12-02 10:21:30,141 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 517 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:30,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 1201 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:21:30,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-12-02 10:21:30,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 539. [2024-12-02 10:21:30,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 373 states have (on average 1.2761394101876675) internal successors, (476), 377 states have internal predecessors, (476), 148 states have call successors, (148), 17 states have call predecessors, (148), 17 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-12-02 10:21:30,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 772 transitions. [2024-12-02 10:21:30,215 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 772 transitions. Word has length 177 [2024-12-02 10:21:30,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:30,216 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 772 transitions. [2024-12-02 10:21:30,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-12-02 10:21:30,216 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 772 transitions. [2024-12-02 10:21:30,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 10:21:30,217 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:30,217 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, 1, 1] [2024-12-02 10:21:30,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 10:21:30,217 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:30,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:30,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1096807856, now seen corresponding path program 1 times [2024-12-02 10:21:30,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:30,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224731569] [2024-12-02 10:21:30,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:30,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:32,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:32,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:32,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224731569] [2024-12-02 10:21:32,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224731569] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:32,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:32,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 10:21:32,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331941689] [2024-12-02 10:21:32,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:32,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 10:21:32,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:32,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 10:21:32,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-12-02 10:21:32,551 INFO L87 Difference]: Start difference. First operand 539 states and 772 transitions. Second operand has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 10:21:34,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:34,319 INFO L93 Difference]: Finished difference Result 931 states and 1323 transitions. [2024-12-02 10:21:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 10:21:34,319 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 177 [2024-12-02 10:21:34,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:34,322 INFO L225 Difference]: With dead ends: 931 [2024-12-02 10:21:34,323 INFO L226 Difference]: Without dead ends: 583 [2024-12-02 10:21:34,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=187, Invalid=625, Unknown=0, NotChecked=0, Total=812 [2024-12-02 10:21:34,324 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 291 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:34,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 1331 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 10:21:34,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-12-02 10:21:34,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 541. [2024-12-02 10:21:34,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 375 states have (on average 1.2773333333333334) internal successors, (479), 379 states have internal predecessors, (479), 148 states have call successors, (148), 17 states have call predecessors, (148), 17 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-12-02 10:21:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 775 transitions. [2024-12-02 10:21:34,366 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 775 transitions. Word has length 177 [2024-12-02 10:21:34,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:34,367 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 775 transitions. [2024-12-02 10:21:34,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 10:21:34,367 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 775 transitions. [2024-12-02 10:21:34,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 10:21:34,368 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:34,368 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, 1, 1] [2024-12-02 10:21:34,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 10:21:34,368 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:34,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:34,368 INFO L85 PathProgramCache]: Analyzing trace with hash -370575348, now seen corresponding path program 1 times [2024-12-02 10:21:34,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:34,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220682545] [2024-12-02 10:21:34,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:34,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:36,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:36,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220682545] [2024-12-02 10:21:36,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220682545] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:36,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:36,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 10:21:36,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849576225] [2024-12-02 10:21:36,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:36,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 10:21:36,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:36,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 10:21:36,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-12-02 10:21:36,338 INFO L87 Difference]: Start difference. First operand 541 states and 775 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2024-12-02 10:21:37,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:37,601 INFO L93 Difference]: Finished difference Result 1114 states and 1583 transitions. [2024-12-02 10:21:37,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 10:21:37,602 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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 177 [2024-12-02 10:21:37,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:37,606 INFO L225 Difference]: With dead ends: 1114 [2024-12-02 10:21:37,606 INFO L226 Difference]: Without dead ends: 766 [2024-12-02 10:21:37,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-12-02 10:21:37,608 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 172 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:37,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 956 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 10:21:37,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-12-02 10:21:37,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 592. [2024-12-02 10:21:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 426 states have (on average 1.2981220657276995) internal successors, (553), 430 states have internal predecessors, (553), 148 states have call successors, (148), 17 states have call predecessors, (148), 17 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-12-02 10:21:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 849 transitions. [2024-12-02 10:21:37,686 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 849 transitions. Word has length 177 [2024-12-02 10:21:37,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:37,687 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 849 transitions. [2024-12-02 10:21:37,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 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) [2024-12-02 10:21:37,687 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 849 transitions. [2024-12-02 10:21:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 10:21:37,688 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:37,688 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, 1, 1] [2024-12-02 10:21:37,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 10:21:37,688 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:37,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:37,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1518700788, now seen corresponding path program 1 times [2024-12-02 10:21:37,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:37,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330199302] [2024-12-02 10:21:37,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:37,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:38,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:38,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:38,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330199302] [2024-12-02 10:21:38,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330199302] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:38,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:38,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 10:21:38,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491540461] [2024-12-02 10:21:38,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:38,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 10:21:38,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:38,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 10:21:38,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:21:38,681 INFO L87 Difference]: Start difference. First operand 592 states and 849 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-12-02 10:21:39,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:39,685 INFO L93 Difference]: Finished difference Result 1047 states and 1499 transitions. [2024-12-02 10:21:39,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 10:21:39,686 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 177 [2024-12-02 10:21:39,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:39,688 INFO L225 Difference]: With dead ends: 1047 [2024-12-02 10:21:39,688 INFO L226 Difference]: Without dead ends: 649 [2024-12-02 10:21:39,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2024-12-02 10:21:39,689 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 473 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:39,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 710 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 10:21:39,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-12-02 10:21:39,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 593. [2024-12-02 10:21:39,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 427 states have (on average 1.2974238875878221) internal successors, (554), 431 states have internal predecessors, (554), 148 states have call successors, (148), 17 states have call predecessors, (148), 17 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-12-02 10:21:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 850 transitions. [2024-12-02 10:21:39,761 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 850 transitions. Word has length 177 [2024-12-02 10:21:39,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:39,761 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 850 transitions. [2024-12-02 10:21:39,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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) [2024-12-02 10:21:39,762 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 850 transitions. [2024-12-02 10:21:39,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 10:21:39,762 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:39,763 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, 1, 1] [2024-12-02 10:21:39,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 10:21:39,763 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:39,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:39,763 INFO L85 PathProgramCache]: Analyzing trace with hash -838642418, now seen corresponding path program 1 times [2024-12-02 10:21:39,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:39,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274450204] [2024-12-02 10:21:39,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:39,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:42,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:42,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274450204] [2024-12-02 10:21:42,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274450204] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:42,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:42,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 10:21:42,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784029623] [2024-12-02 10:21:42,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:42,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 10:21:42,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:42,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 10:21:42,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-12-02 10:21:42,526 INFO L87 Difference]: Start difference. First operand 593 states and 850 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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) [2024-12-02 10:21:44,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:44,535 INFO L93 Difference]: Finished difference Result 1026 states and 1470 transitions. [2024-12-02 10:21:44,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 10:21:44,536 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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 177 [2024-12-02 10:21:44,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:44,539 INFO L225 Difference]: With dead ends: 1026 [2024-12-02 10:21:44,539 INFO L226 Difference]: Without dead ends: 634 [2024-12-02 10:21:44,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=223, Invalid=533, Unknown=0, NotChecked=0, Total=756 [2024-12-02 10:21:44,540 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 381 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:44,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 1031 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 10:21:44,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-12-02 10:21:44,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 593. [2024-12-02 10:21:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 427 states have (on average 1.2974238875878221) internal successors, (554), 431 states have internal predecessors, (554), 148 states have call successors, (148), 17 states have call predecessors, (148), 17 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-12-02 10:21:44,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 850 transitions. [2024-12-02 10:21:44,596 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 850 transitions. Word has length 177 [2024-12-02 10:21:44,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:44,597 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 850 transitions. [2024-12-02 10:21:44,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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) [2024-12-02 10:21:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 850 transitions. [2024-12-02 10:21:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 10:21:44,597 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:44,597 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, 1, 1, 1] [2024-12-02 10:21:44,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 10:21:44,597 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:44,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:44,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1914144956, now seen corresponding path program 1 times [2024-12-02 10:21:44,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:44,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109723464] [2024-12-02 10:21:44,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:44,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:49,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:49,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109723464] [2024-12-02 10:21:49,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109723464] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:49,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:49,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 10:21:49,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981670713] [2024-12-02 10:21:49,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:49,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 10:21:49,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:49,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 10:21:49,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2024-12-02 10:21:49,592 INFO L87 Difference]: Start difference. First operand 593 states and 850 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 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) [2024-12-02 10:21:52,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:52,142 INFO L93 Difference]: Finished difference Result 1152 states and 1623 transitions. [2024-12-02 10:21:52,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-02 10:21:52,143 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 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 178 [2024-12-02 10:21:52,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:52,146 INFO L225 Difference]: With dead ends: 1152 [2024-12-02 10:21:52,146 INFO L226 Difference]: Without dead ends: 760 [2024-12-02 10:21:52,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=318, Invalid=942, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 10:21:52,147 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 534 mSDsluCounter, 1611 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 1852 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:52,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 1852 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 10:21:52,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2024-12-02 10:21:52,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 611. [2024-12-02 10:21:52,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 445 states have (on average 1.3056179775280898) internal successors, (581), 449 states have internal predecessors, (581), 148 states have call successors, (148), 17 states have call predecessors, (148), 17 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-12-02 10:21:52,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 877 transitions. [2024-12-02 10:21:52,193 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 877 transitions. Word has length 178 [2024-12-02 10:21:52,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:52,193 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 877 transitions. [2024-12-02 10:21:52,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 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) [2024-12-02 10:21:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 877 transitions. [2024-12-02 10:21:52,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 10:21:52,195 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:52,195 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, 1, 1, 1] [2024-12-02 10:21:52,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 10:21:52,195 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:52,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:52,195 INFO L85 PathProgramCache]: Analyzing trace with hash -507854078, now seen corresponding path program 1 times [2024-12-02 10:21:52,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:52,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739125098] [2024-12-02 10:21:52,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:52,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:21:53,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:53,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739125098] [2024-12-02 10:21:53,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739125098] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:53,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:53,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 10:21:53,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481598911] [2024-12-02 10:21:53,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:53,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 10:21:53,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:53,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 10:21:53,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:21:53,914 INFO L87 Difference]: Start difference. First operand 611 states and 877 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 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) [2024-12-02 10:21:55,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:55,288 INFO L93 Difference]: Finished difference Result 1134 states and 1618 transitions. [2024-12-02 10:21:55,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 10:21:55,289 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 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 178 [2024-12-02 10:21:55,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:55,291 INFO L225 Difference]: With dead ends: 1134 [2024-12-02 10:21:55,291 INFO L226 Difference]: Without dead ends: 742 [2024-12-02 10:21:55,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2024-12-02 10:21:55,293 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 470 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:55,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 1288 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 10:21:55,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-12-02 10:21:55,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 613. [2024-12-02 10:21:55,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 447 states have (on average 1.3064876957494407) internal successors, (584), 451 states have internal predecessors, (584), 148 states have call successors, (148), 17 states have call predecessors, (148), 17 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-12-02 10:21:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 880 transitions. [2024-12-02 10:21:55,398 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 880 transitions. Word has length 178 [2024-12-02 10:21:55,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:55,399 INFO L471 AbstractCegarLoop]: Abstraction has 613 states and 880 transitions. [2024-12-02 10:21:55,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 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) [2024-12-02 10:21:55,400 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 880 transitions. [2024-12-02 10:21:55,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 10:21:55,401 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:55,401 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, 1, 1, 1] [2024-12-02 10:21:55,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 10:21:55,401 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:21:55,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:55,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1655979518, now seen corresponding path program 1 times [2024-12-02 10:21:55,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:55,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566517039] [2024-12-02 10:21:55,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:55,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:22:00,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:00,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566517039] [2024-12-02 10:22:00,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566517039] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:00,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:00,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 10:22:00,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239964291] [2024-12-02 10:22:00,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:00,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 10:22:00,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:00,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 10:22:00,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2024-12-02 10:22:00,658 INFO L87 Difference]: Start difference. First operand 613 states and 880 transitions. Second operand has 17 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 10:22:05,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:05,143 INFO L93 Difference]: Finished difference Result 1303 states and 1818 transitions. [2024-12-02 10:22:05,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 10:22:05,144 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 178 [2024-12-02 10:22:05,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:05,147 INFO L225 Difference]: With dead ends: 1303 [2024-12-02 10:22:05,147 INFO L226 Difference]: Without dead ends: 911 [2024-12-02 10:22:05,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=516, Invalid=1554, Unknown=0, NotChecked=0, Total=2070 [2024-12-02 10:22:05,149 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 778 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 1658 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:05,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 1658 Invalid, 1639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 10:22:05,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2024-12-02 10:22:05,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 788. [2024-12-02 10:22:05,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 593 states have (on average 1.3035413153456998) internal successors, (773), 599 states have internal predecessors, (773), 170 states have call successors, (170), 24 states have call predecessors, (170), 24 states have return successors, (170), 164 states have call predecessors, (170), 170 states have call successors, (170) [2024-12-02 10:22:05,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1113 transitions. [2024-12-02 10:22:05,252 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1113 transitions. Word has length 178 [2024-12-02 10:22:05,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:05,253 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1113 transitions. [2024-12-02 10:22:05,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0) internal successors, (51), 17 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 10:22:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1113 transitions. [2024-12-02 10:22:05,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 10:22:05,254 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:05,254 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, 1, 1, 1] [2024-12-02 10:22:05,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 10:22:05,255 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:22:05,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:05,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1491443130, now seen corresponding path program 1 times [2024-12-02 10:22:05,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:05,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316728362] [2024-12-02 10:22:05,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:05,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:22:05,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:05,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316728362] [2024-12-02 10:22:05,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316728362] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:05,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:05,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:22:05,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504830227] [2024-12-02 10:22:05,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:05,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:22:05,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:05,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:22:05,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:22:05,327 INFO L87 Difference]: Start difference. First operand 788 states and 1113 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-12-02 10:22:05,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:05,527 INFO L93 Difference]: Finished difference Result 1611 states and 2270 transitions. [2024-12-02 10:22:05,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:22:05,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 178 [2024-12-02 10:22:05,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:05,534 INFO L225 Difference]: With dead ends: 1611 [2024-12-02 10:22:05,534 INFO L226 Difference]: Without dead ends: 1027 [2024-12-02 10:22:05,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:22:05,536 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 123 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:05,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 314 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:22:05,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2024-12-02 10:22:05,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 796. [2024-12-02 10:22:05,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 601 states have (on average 1.3011647254575707) internal successors, (782), 607 states have internal predecessors, (782), 170 states have call successors, (170), 24 states have call predecessors, (170), 24 states have return successors, (170), 164 states have call predecessors, (170), 170 states have call successors, (170) [2024-12-02 10:22:05,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1122 transitions. [2024-12-02 10:22:05,666 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1122 transitions. Word has length 178 [2024-12-02 10:22:05,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:05,667 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1122 transitions. [2024-12-02 10:22:05,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-12-02 10:22:05,667 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1122 transitions. [2024-12-02 10:22:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 10:22:05,668 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:05,668 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, 1, 1, 1] [2024-12-02 10:22:05,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 10:22:05,669 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:22:05,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:05,669 INFO L85 PathProgramCache]: Analyzing trace with hash 359672613, now seen corresponding path program 1 times [2024-12-02 10:22:05,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:05,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836850585] [2024-12-02 10:22:05,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:05,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:22:05,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:05,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836850585] [2024-12-02 10:22:05,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836850585] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:05,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:05,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:22:05,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371496322] [2024-12-02 10:22:05,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:05,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:22:05,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:05,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:22:05,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:22:05,922 INFO L87 Difference]: Start difference. First operand 796 states and 1122 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 10:22:06,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:06,707 INFO L93 Difference]: Finished difference Result 2832 states and 4076 transitions. [2024-12-02 10:22:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:22:06,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 178 [2024-12-02 10:22:06,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:06,714 INFO L225 Difference]: With dead ends: 2832 [2024-12-02 10:22:06,714 INFO L226 Difference]: Without dead ends: 2367 [2024-12-02 10:22:06,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:22:06,716 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 716 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:06,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 797 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 10:22:06,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2024-12-02 10:22:06,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 1866. [2024-12-02 10:22:06,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1866 states, 1371 states have (on average 1.2946754194018963) internal successors, (1775), 1387 states have internal predecessors, (1775), 436 states have call successors, (436), 58 states have call predecessors, (436), 58 states have return successors, (436), 420 states have call predecessors, (436), 436 states have call successors, (436) [2024-12-02 10:22:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1866 states and 2647 transitions. [2024-12-02 10:22:06,931 INFO L78 Accepts]: Start accepts. Automaton has 1866 states and 2647 transitions. Word has length 178 [2024-12-02 10:22:06,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:06,931 INFO L471 AbstractCegarLoop]: Abstraction has 1866 states and 2647 transitions. [2024-12-02 10:22:06,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 10:22:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2647 transitions. [2024-12-02 10:22:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 10:22:06,933 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:06,933 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, 1, 1, 1] [2024-12-02 10:22:06,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 10:22:06,933 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:22:06,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:06,934 INFO L85 PathProgramCache]: Analyzing trace with hash 2134679975, now seen corresponding path program 1 times [2024-12-02 10:22:06,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:06,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665726276] [2024-12-02 10:22:06,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:06,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:22:10,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:10,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665726276] [2024-12-02 10:22:10,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665726276] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:10,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:10,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 10:22:10,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444994491] [2024-12-02 10:22:10,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:10,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 10:22:10,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:10,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 10:22:10,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:22:10,750 INFO L87 Difference]: Start difference. First operand 1866 states and 2647 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 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) [2024-12-02 10:22:12,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:12,645 INFO L93 Difference]: Finished difference Result 3164 states and 4514 transitions. [2024-12-02 10:22:12,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 10:22:12,647 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 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 178 [2024-12-02 10:22:12,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:12,655 INFO L225 Difference]: With dead ends: 3164 [2024-12-02 10:22:12,655 INFO L226 Difference]: Without dead ends: 1986 [2024-12-02 10:22:12,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:22:12,659 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 44 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:12,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 738 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 10:22:12,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2024-12-02 10:22:12,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1873. [2024-12-02 10:22:12,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1873 states, 1378 states have (on average 1.2982583454281567) internal successors, (1789), 1394 states have internal predecessors, (1789), 436 states have call successors, (436), 58 states have call predecessors, (436), 58 states have return successors, (436), 420 states have call predecessors, (436), 436 states have call successors, (436) [2024-12-02 10:22:12,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1873 states and 2661 transitions. [2024-12-02 10:22:12,892 INFO L78 Accepts]: Start accepts. Automaton has 1873 states and 2661 transitions. Word has length 178 [2024-12-02 10:22:12,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:12,893 INFO L471 AbstractCegarLoop]: Abstraction has 1873 states and 2661 transitions. [2024-12-02 10:22:12,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 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) [2024-12-02 10:22:12,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2661 transitions. [2024-12-02 10:22:12,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 10:22:12,894 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:12,894 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, 1, 1, 1] [2024-12-02 10:22:12,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 10:22:12,894 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:22:12,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:12,895 INFO L85 PathProgramCache]: Analyzing trace with hash 452738838, now seen corresponding path program 1 times [2024-12-02 10:22:12,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:12,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794870721] [2024-12-02 10:22:12,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:12,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-12-02 10:22:13,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:13,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794870721] [2024-12-02 10:22:13,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794870721] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:22:13,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486199298] [2024-12-02 10:22:13,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:13,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:22:13,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:22:13,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:22:13,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:22:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:13,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 10:22:13,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:22:13,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 619 proven. 48 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2024-12-02 10:22:13,597 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:22:13,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-12-02 10:22:13,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486199298] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:22:13,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:22:13,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-12-02 10:22:13,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204003553] [2024-12-02 10:22:13,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:22:13,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 10:22:13,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:13,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 10:22:13,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-12-02 10:22:13,834 INFO L87 Difference]: Start difference. First operand 1873 states and 2661 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-12-02 10:22:14,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:14,795 INFO L93 Difference]: Finished difference Result 3528 states and 4943 transitions. [2024-12-02 10:22:14,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 10:22:14,796 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 178 [2024-12-02 10:22:14,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:14,802 INFO L225 Difference]: With dead ends: 3528 [2024-12-02 10:22:14,802 INFO L226 Difference]: Without dead ends: 2162 [2024-12-02 10:22:14,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 352 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2024-12-02 10:22:14,804 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 455 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:14,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 770 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 10:22:14,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2162 states. [2024-12-02 10:22:15,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2162 to 1817. [2024-12-02 10:22:15,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1817 states, 1305 states have (on average 1.2628352490421455) internal successors, (1648), 1321 states have internal predecessors, (1648), 436 states have call successors, (436), 75 states have call predecessors, (436), 75 states have return successors, (436), 420 states have call predecessors, (436), 436 states have call successors, (436) [2024-12-02 10:22:15,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2520 transitions. [2024-12-02 10:22:15,029 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2520 transitions. Word has length 178 [2024-12-02 10:22:15,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:15,029 INFO L471 AbstractCegarLoop]: Abstraction has 1817 states and 2520 transitions. [2024-12-02 10:22:15,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-12-02 10:22:15,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2520 transitions. [2024-12-02 10:22:15,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-12-02 10:22:15,031 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:15,031 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, 1, 1, 1, 1] [2024-12-02 10:22:15,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 10:22:15,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-12-02 10:22:15,232 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:22:15,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:15,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1685079333, now seen corresponding path program 1 times [2024-12-02 10:22:15,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:15,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541331830] [2024-12-02 10:22:15,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:15,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 48 proven. 159 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2024-12-02 10:22:21,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:21,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541331830] [2024-12-02 10:22:21,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541331830] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:22:21,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323437616] [2024-12-02 10:22:21,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:21,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:22:21,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:22:21,979 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:22:21,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 10:22:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:22,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 10:22:22,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:22:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 428 proven. 180 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2024-12-02 10:22:24,681 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:22:27,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 21 proven. 126 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2024-12-02 10:22:27,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323437616] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:22:27,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:22:27,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 18] total 50 [2024-12-02 10:22:27,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673744700] [2024-12-02 10:22:27,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:22:27,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-12-02 10:22:27,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:27,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-12-02 10:22:27,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=350, Invalid=2100, Unknown=0, NotChecked=0, Total=2450 [2024-12-02 10:22:27,179 INFO L87 Difference]: Start difference. First operand 1817 states and 2520 transitions. Second operand has 50 states, 50 states have (on average 3.2) internal successors, (160), 49 states have internal predecessors, (160), 11 states have call successors, (78), 5 states have call predecessors, (78), 11 states have return successors, (78), 11 states have call predecessors, (78), 11 states have call successors, (78) [2024-12-02 10:22:39,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:39,556 INFO L93 Difference]: Finished difference Result 4095 states and 5576 transitions. [2024-12-02 10:22:39,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-12-02 10:22:39,557 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 3.2) internal successors, (160), 49 states have internal predecessors, (160), 11 states have call successors, (78), 5 states have call predecessors, (78), 11 states have return successors, (78), 11 states have call predecessors, (78), 11 states have call successors, (78) Word has length 179 [2024-12-02 10:22:39,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:39,564 INFO L225 Difference]: With dead ends: 4095 [2024-12-02 10:22:39,564 INFO L226 Difference]: Without dead ends: 2769 [2024-12-02 10:22:39,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5498 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=3038, Invalid=14518, Unknown=0, NotChecked=0, Total=17556 [2024-12-02 10:22:39,569 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 3444 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 2769 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3450 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 3057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 2769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:39,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3450 Valid, 1651 Invalid, 3057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 2769 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 10:22:39,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2024-12-02 10:22:39,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 1996. [2024-12-02 10:22:39,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1996 states, 1459 states have (on average 1.2638793694311172) internal successors, (1844), 1475 states have internal predecessors, (1844), 436 states have call successors, (436), 100 states have call predecessors, (436), 100 states have return successors, (436), 420 states have call predecessors, (436), 436 states have call successors, (436) [2024-12-02 10:22:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1996 states and 2716 transitions. [2024-12-02 10:22:39,839 INFO L78 Accepts]: Start accepts. Automaton has 1996 states and 2716 transitions. Word has length 179 [2024-12-02 10:22:39,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:39,839 INFO L471 AbstractCegarLoop]: Abstraction has 1996 states and 2716 transitions. [2024-12-02 10:22:39,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.2) internal successors, (160), 49 states have internal predecessors, (160), 11 states have call successors, (78), 5 states have call predecessors, (78), 11 states have return successors, (78), 11 states have call predecessors, (78), 11 states have call successors, (78) [2024-12-02 10:22:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 2716 transitions. [2024-12-02 10:22:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-12-02 10:22:39,840 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:39,840 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, 1, 1, 1, 1] [2024-12-02 10:22:39,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 10:22:40,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:22:40,041 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:22:40,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:40,041 INFO L85 PathProgramCache]: Analyzing trace with hash 673962083, now seen corresponding path program 1 times [2024-12-02 10:22:40,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:40,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557175549] [2024-12-02 10:22:40,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:40,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 10:22:40,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1855384879] [2024-12-02 10:22:40,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:40,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:22:40,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:22:40,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:22:40,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 10:22:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:22:40,669 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:22:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:22:40,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:22:40,812 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:22:40,812 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:22:40,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 10:22:41,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:22:41,016 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:22:41,102 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:22:41,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:22:41 BoogieIcfgContainer [2024-12-02 10:22:41,105 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:22:41,105 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:22:41,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:22:41,105 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:22:41,106 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:21:09" (3/4) ... [2024-12-02 10:22:41,108 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:22:41,108 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:22:41,109 INFO L158 Benchmark]: Toolchain (without parser) took 92306.89ms. Allocated memory was 142.6MB in the beginning and 947.9MB in the end (delta: 805.3MB). Free memory was 116.7MB in the beginning and 382.0MB in the end (delta: -265.3MB). Peak memory consumption was 539.4MB. Max. memory is 16.1GB. [2024-12-02 10:22:41,109 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:22:41,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.04ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 100.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:22:41,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.39ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 95.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:22:41,109 INFO L158 Benchmark]: Boogie Preprocessor took 67.54ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 88.1MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:22:41,110 INFO L158 Benchmark]: RCFGBuilder took 619.60ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 107.4MB in the end (delta: -19.3MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-12-02 10:22:41,110 INFO L158 Benchmark]: TraceAbstraction took 91234.60ms. Allocated memory was 142.6MB in the beginning and 947.9MB in the end (delta: 805.3MB). Free memory was 106.4MB in the beginning and 382.1MB in the end (delta: -275.7MB). Peak memory consumption was 533.6MB. Max. memory is 16.1GB. [2024-12-02 10:22:41,110 INFO L158 Benchmark]: Witness Printer took 2.86ms. Allocated memory is still 947.9MB. Free memory was 382.1MB in the beginning and 382.0MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:22:41,112 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.04ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 100.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.39ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 95.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.54ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 88.1MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 619.60ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 107.4MB in the end (delta: -19.3MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * TraceAbstraction took 91234.60ms. Allocated memory was 142.6MB in the beginning and 947.9MB in the end (delta: 805.3MB). Free memory was 106.4MB in the beginning and 382.1MB in the end (delta: -275.7MB). Peak memory consumption was 533.6MB. Max. memory is 16.1GB. * Witness Printer took 2.86ms. Allocated memory is still 947.9MB. Free memory was 382.1MB in the beginning and 382.0MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 206, overapproximation of someUnaryDOUBLEoperation at line 46, overapproximation of bitwiseAnd at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 195, overapproximation of someBinaryDOUBLEComparisonOperation at line 193, overapproximation of someBinaryDOUBLEComparisonOperation at line 206, overapproximation of someBinaryDOUBLEComparisonOperation at line 191. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 200; [L23] unsigned long int var_1_4 = 32; [L24] unsigned char var_1_6 = 1; [L25] unsigned char var_1_7 = 0; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 50; [L30] unsigned long int var_1_14 = 1000000000; [L31] unsigned short int var_1_15 = 10; [L32] unsigned short int var_1_16 = 39011; [L33] unsigned long int var_1_17 = 4; [L34] signed char var_1_18 = 4; [L35] signed char var_1_21 = 16; [L36] signed char var_1_22 = 64; [L37] signed long int var_1_23 = 8; [L38] unsigned char var_1_24 = 0; [L39] unsigned char var_1_25 = 0; [L40] unsigned char var_1_26 = 0; [L41] unsigned char var_1_27 = 0; [L42] double var_1_28 = 25.5; [L43] double var_1_29 = 255.25; [L44] double var_1_30 = 24.7; [L45] double var_1_31 = 31.2; [L46] float var_1_32 = -0.2; [L47] unsigned char var_1_33 = 10; [L48] float var_1_34 = 24.5; [L49] unsigned char last_1_var_1_7 = 0; [L50] unsigned short int last_1_var_1_15 = 10; [L51] unsigned long int last_1_var_1_17 = 4; [L52] signed long int last_1_var_1_23 = 8; [L53] unsigned char last_1_var_1_24 = 0; [L54] unsigned char last_1_var_1_33 = 10; VAL [isInitial=0, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=32, var_1_6=1, var_1_7=0] [L210] isInitial = 1 [L211] FCALL initially() [L212] int k_loop; [L213] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=32, var_1_6=1, var_1_7=0] [L213] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=32, var_1_6=1, var_1_7=0] [L214] CALL updateLastVariables() [L198] last_1_var_1_7 = var_1_7 [L199] last_1_var_1_15 = var_1_15 [L200] last_1_var_1_17 = var_1_17 [L201] last_1_var_1_23 = var_1_23 [L202] last_1_var_1_24 = var_1_24 [L203] last_1_var_1_33 = var_1_33 VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=32, var_1_6=1, var_1_7=0] [L214] RET updateLastVariables() [L215] CALL updateVariables() [L156] var_1_4 = __VERIFIER_nondet_ulong() [L157] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L157] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L158] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L158] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L159] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=1, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=1, var_1_7=0] [L159] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=1, var_1_7=0] [L160] var_1_6 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_7=0] [L161] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_7=0] [L162] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L162] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L163] var_1_10 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L164] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L165] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L165] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L166] var_1_11 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L167] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L168] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L168] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L169] var_1_12 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L170] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L171] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L171] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L172] var_1_16 = __VERIFIER_nondet_ushort() [L173] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L173] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L174] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L174] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L175] var_1_21 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_21 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L176] RET assume_abort_if_not(var_1_21 >= -1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L177] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L177] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L178] var_1_22 = __VERIFIER_nondet_char() [L179] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L179] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L180] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L180] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L181] var_1_25 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L182] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L183] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L183] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L184] var_1_26 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L185] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L186] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L186] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L187] var_1_27 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L188] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L189] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L189] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L190] var_1_29 = __VERIFIER_nondet_double() [L191] CALL assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L191] RET assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L192] var_1_30 = __VERIFIER_nondet_double() [L193] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L193] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L194] var_1_31 = __VERIFIER_nondet_double() [L195] CALL assume_abort_if_not((var_1_31 >= -461168.6018427382800e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L195] RET assume_abort_if_not((var_1_31 >= -461168.6018427382800e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L215] RET updateVariables() [L216] CALL step() [L58] signed long int stepLocal_8 = last_1_var_1_33; VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_8=10, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L59] COND FALSE !(stepLocal_8 <= ((last_1_var_1_17 / var_1_4) / var_1_16)) [L68] var_1_18 = var_1_21 VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L70] COND FALSE !(! (! (last_1_var_1_7 && last_1_var_1_24))) [L77] var_1_15 = last_1_var_1_23 VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L79] var_1_14 = (var_1_6 + var_1_15) [L80] unsigned char stepLocal_9 = last_1_var_1_7; VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_9=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L81] COND TRUE ! last_1_var_1_24 VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_9=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L82] COND FALSE !(stepLocal_9 && (last_1_var_1_33 >= ((((last_1_var_1_17) < (var_1_4)) ? (last_1_var_1_17) : (var_1_4))))) [L85] var_1_24 = var_1_12 VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L90] unsigned short int stepLocal_10 = var_1_15; VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_10=8, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L91] COND FALSE !(stepLocal_10 < var_1_4) [L98] var_1_28 = (100.4 + var_1_30) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_33=10, var_1_34=49/2, var_1_4=2, var_1_6=0, var_1_7=0] [L100] var_1_32 = var_1_29 [L101] var_1_33 = var_1_22 [L102] var_1_34 = var_1_29 [L103] unsigned char stepLocal_7 = var_1_12; VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_7=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L104] EXPR last_1_var_1_15 & 16 VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_7=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L104] signed long int stepLocal_6 = last_1_var_1_15 & 16; [L105] signed long int stepLocal_5 = last_1_var_1_15; VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_5=10, stepLocal_6=0, stepLocal_7=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L106] COND FALSE !(last_1_var_1_15 < stepLocal_5) [L117] var_1_13 = var_1_6 VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_6=0, stepLocal_7=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L119] unsigned char stepLocal_4 = var_1_24; [L120] unsigned long int stepLocal_3 = var_1_4; VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_3=2, stepLocal_4=1, stepLocal_6=0, stepLocal_7=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L121] COND TRUE (var_1_24 && var_1_24) && stepLocal_4 VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_3=2, stepLocal_6=0, stepLocal_7=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L122] COND FALSE !(stepLocal_3 == (- var_1_13)) [L125] var_1_7 = 0 VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_6=0, stepLocal_7=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L130] unsigned char stepLocal_2 = var_1_13 < var_1_4; [L131] signed long int stepLocal_1 = var_1_6 + var_1_15; [L132] unsigned long int stepLocal_0 = var_1_13 % var_1_4; VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_0=0, stepLocal_1=8, stepLocal_2=1, stepLocal_6=0, stepLocal_7=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L133] COND FALSE !(stepLocal_0 >= var_1_15) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_1=8, stepLocal_2=1, stepLocal_6=0, stepLocal_7=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L138] COND TRUE stepLocal_1 > var_1_13 [L139] var_1_1 = var_1_6 VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_2=1, stepLocal_6=0, stepLocal_7=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=0, var_1_21=1, var_1_22=2, var_1_23=8, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L144] COND FALSE !(var_1_14 < var_1_13) [L147] var_1_23 = var_1_18 VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_2=1, stepLocal_6=0, stepLocal_7=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=0, var_1_21=1, var_1_22=2, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L149] COND FALSE !((var_1_4 <= var_1_18) && var_1_7) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, stepLocal_2=1, stepLocal_6=0, stepLocal_7=1, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=0, var_1_21=1, var_1_22=2, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L216] RET step() [L217] CALL, EXPR property() [L206] EXPR ((((var_1_13 % var_1_4) >= var_1_15) ? ((var_1_24 && (var_1_13 < var_1_4)) ? (var_1_1 == ((unsigned char) var_1_6)) : 1) : (((var_1_6 + var_1_15) > var_1_13) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) 1)))) && (((var_1_24 && var_1_24) && var_1_24) ? ((var_1_4 == (- var_1_13)) ? (var_1_7 == ((unsigned char) (! (! (! var_1_10))))) : (var_1_7 == ((unsigned char) 0))) : (var_1_7 == ((unsigned char) (var_1_11 && var_1_12))))) && ((last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=0, var_1_21=1, var_1_22=2, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L206] EXPR (last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6)) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=0, var_1_21=1, var_1_22=2, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L206] EXPR ((((var_1_13 % var_1_4) >= var_1_15) ? ((var_1_24 && (var_1_13 < var_1_4)) ? (var_1_1 == ((unsigned char) var_1_6)) : 1) : (((var_1_6 + var_1_15) > var_1_13) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) 1)))) && (((var_1_24 && var_1_24) && var_1_24) ? ((var_1_4 == (- var_1_13)) ? (var_1_7 == ((unsigned char) (! (! (! var_1_10))))) : (var_1_7 == ((unsigned char) 0))) : (var_1_7 == ((unsigned char) (var_1_11 && var_1_12))))) && ((last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=0, var_1_21=1, var_1_22=2, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L206-L207] return ((((((((((((((var_1_13 % var_1_4) >= var_1_15) ? ((var_1_24 && (var_1_13 < var_1_4)) ? (var_1_1 == ((unsigned char) var_1_6)) : 1) : (((var_1_6 + var_1_15) > var_1_13) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) 1)))) && (((var_1_24 && var_1_24) && var_1_24) ? ((var_1_4 == (- var_1_13)) ? (var_1_7 == ((unsigned char) (! (! (! var_1_10))))) : (var_1_7 == ((unsigned char) 0))) : (var_1_7 == ((unsigned char) (var_1_11 && var_1_12))))) && ((last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6)))) && (var_1_14 == ((unsigned long int) (var_1_6 + var_1_15)))) && ((! (! (last_1_var_1_7 && last_1_var_1_24))) ? (last_1_var_1_7 ? (var_1_15 == ((unsigned short int) ((((last_1_var_1_33) > (last_1_var_1_23)) ? (last_1_var_1_33) : (last_1_var_1_23))))) : (var_1_15 == ((unsigned short int) (((((var_1_16 - var_1_6)) < (10)) ? ((var_1_16 - var_1_6)) : (10)))))) : (var_1_15 == ((unsigned short int) last_1_var_1_23)))) && (((var_1_4 <= var_1_18) && var_1_7) ? ((var_1_23 == var_1_1) ? (var_1_17 == ((unsigned long int) var_1_6)) : 1) : 1)) && ((last_1_var_1_33 <= ((last_1_var_1_17 / var_1_4) / var_1_16)) ? (last_1_var_1_24 ? (var_1_18 == ((signed char) (var_1_21 - var_1_22))) : (var_1_11 ? (var_1_18 == ((signed char) var_1_22)) : 1)) : (var_1_18 == ((signed char) var_1_21)))) && ((var_1_14 < var_1_13) ? (var_1_23 == ((signed long int) (((((var_1_14 + var_1_16)) < ((((((var_1_18 - var_1_14)) < (-128)) ? ((var_1_18 - var_1_14)) : (-128))))) ? ((var_1_14 + var_1_16)) : ((((((var_1_18 - var_1_14)) < (-128)) ? ((var_1_18 - var_1_14)) : (-128)))))))) : (var_1_23 == ((signed long int) var_1_18)))) && ((! last_1_var_1_24) ? ((last_1_var_1_7 && (last_1_var_1_33 >= ((((last_1_var_1_17) < (var_1_4)) ? (last_1_var_1_17) : (var_1_4))))) ? (var_1_24 == ((unsigned char) (var_1_10 || ((var_1_25 || var_1_26) || var_1_27)))) : (var_1_24 == ((unsigned char) var_1_12))) : (var_1_24 == ((unsigned char) var_1_12)))) && ((var_1_15 < var_1_4) ? (var_1_24 ? (var_1_28 == ((double) ((var_1_29 - var_1_30) + var_1_31))) : (var_1_28 == ((double) (4.75 + var_1_29)))) : (var_1_28 == ((double) (100.4 + var_1_30))))) && (var_1_32 == ((float) var_1_29))) && (var_1_33 == ((unsigned char) var_1_22))) && (var_1_34 == ((float) var_1_29)) ; [L217] RET, EXPR property() [L217] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=0, var_1_21=1, var_1_22=2, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=8, var_1_15=8, var_1_16=-32769, var_1_17=4, var_1_18=1, var_1_1=0, var_1_21=1, var_1_22=2, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=2, var_1_34=2, var_1_4=2, var_1_6=0, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 91.1s, OverallIterations: 25, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 37.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10361 SdHoareTripleChecker+Valid, 19.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10345 mSDsluCounter, 20242 SdHoareTripleChecker+Invalid, 16.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16492 mSDsCounter, 2431 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11105 IncrementalHoareTripleChecker+Invalid, 13536 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2431 mSolverCounterUnsat, 3750 mSDtfsCounter, 11105 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1482 GetRequests, 1011 SyntacticMatches, 3 SemanticMatches, 468 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7136 ImplicationChecksByTransitivity, 22.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1996occurred in iteration=24, InterpolantAutomatonStates: 363, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 24 MinimizatonAttempts, 3567 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 47.1s InterpolantComputationTime, 5125 NumberOfCodeBlocks, 5125 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 5095 ConstructedInterpolants, 0 QuantifiedInterpolants, 28822 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1298 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 29 InterpolantComputations, 22 PerfectInterpolantSequences, 37041/37700 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 [2024-12-02 10:22:41,321 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-12-02 10:22:41,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1 --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 0facbc53e01d120e629a50b5211a29fd2bc23d2bc5e324a9623e8d1b2c65da11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:22:43,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:22:43,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:22:43,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:22:43,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:22:43,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:22:43,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:22:43,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:22:43,246 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:22:43,246 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:22:43,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:22:43,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:22:43,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:22:43,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:22:43,247 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:22:43,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:22:43,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:22:43,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:22:43,248 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:22:43,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:22:43,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:22:43,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:22:43,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:22:43,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:22:43,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:22:43,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:22:43,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:22:43,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:22:43,249 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:22:43,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:22:43,250 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:22:43,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:22:43,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:22:43,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:22:43,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:22:43,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:22:43,250 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_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1 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 -> 0facbc53e01d120e629a50b5211a29fd2bc23d2bc5e324a9623e8d1b2c65da11 [2024-12-02 10:22:43,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:22:43,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:22:43,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:22:43,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:22:43,505 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:22:43,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-12-02 10:22:46,222 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/data/35ca07cb9/7535e16f814045eb96f1fb7ddb162642/FLAG0eba8cae3 [2024-12-02 10:22:46,443 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:22:46,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-12-02 10:22:46,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/data/35ca07cb9/7535e16f814045eb96f1fb7ddb162642/FLAG0eba8cae3 [2024-12-02 10:22:46,467 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/data/35ca07cb9/7535e16f814045eb96f1fb7ddb162642 [2024-12-02 10:22:46,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:22:46,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:22:46,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:22:46,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:22:46,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:22:46,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae5d663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46, skipping insertion in model container [2024-12-02 10:22:46,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:22:46,613 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_079e3a9a-e088-43df-850f-7a77340439b4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i[916,929] [2024-12-02 10:22:46,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:22:46,694 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:22:46,704 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_079e3a9a-e088-43df-850f-7a77340439b4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i[916,929] [2024-12-02 10:22:46,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:22:46,752 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:22:46,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46 WrapperNode [2024-12-02 10:22:46,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:22:46,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:22:46,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:22:46,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:22:46,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,793 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2024-12-02 10:22:46,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:22:46,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:22:46,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:22:46,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:22:46,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,818 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]. [2024-12-02 10:22:46,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:22:46,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:22:46,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:22:46,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:22:46,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (1/1) ... [2024-12-02 10:22:46,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:22:46,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:22:46,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:22:46,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:22:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:22:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:22:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:22:46,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:22:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:22:46,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:22:46,991 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:22:46,993 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:22:52,937 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-02 10:22:52,938 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:22:52,950 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:22:52,950 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 10:22:52,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:52 BoogieIcfgContainer [2024-12-02 10:22:52,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:22:52,953 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:22:52,953 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:22:52,958 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:22:52,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:22:46" (1/3) ... [2024-12-02 10:22:52,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b84a49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:22:52, skipping insertion in model container [2024-12-02 10:22:52,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:22:46" (2/3) ... [2024-12-02 10:22:52,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b84a49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:22:52, skipping insertion in model container [2024-12-02 10:22:52,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:22:52" (3/3) ... [2024-12-02 10:22:52,961 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-12-02 10:22:52,975 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:22:52,976 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-31.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:22:53,023 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:22:53,033 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;@2403580b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:22:53,033 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:22:53,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 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) [2024-12-02 10:22:53,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 10:22:53,050 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:53,051 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] [2024-12-02 10:22:53,051 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:22:53,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:53,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1935347927, now seen corresponding path program 1 times [2024-12-02 10:22:53,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:22:53,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075075257] [2024-12-02 10:22:53,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:53,069 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 [2024-12-02 10:22:53,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:22:53,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:22:53,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:22:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:53,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:22:53,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:22:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2024-12-02 10:22:53,716 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:22:53,716 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:22:53,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075075257] [2024-12-02 10:22:53,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075075257] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:53,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:53,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:22:53,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730200926] [2024-12-02 10:22:53,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:53,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:22:53,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:22:53,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:22:53,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:22:53,741 INFO L87 Difference]: Start difference. First operand has 85 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 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) 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) [2024-12-02 10:22:53,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:53,769 INFO L93 Difference]: Finished difference Result 167 states and 289 transitions. [2024-12-02 10:22:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:22:53,771 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 [2024-12-02 10:22:53,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:53,776 INFO L225 Difference]: With dead ends: 167 [2024-12-02 10:22:53,776 INFO L226 Difference]: Without dead ends: 81 [2024-12-02 10:22:53,780 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 [2024-12-02 10:22:53,783 INFO L435 NwaCegarLoop]: 130 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, 130 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 [2024-12-02 10:22:53,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:22:53,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-12-02 10:22:53,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-12-02 10:22:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 53 states have internal predecessors, (74), 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) [2024-12-02 10:22:53,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 126 transitions. [2024-12-02 10:22:53,829 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 126 transitions. Word has length 169 [2024-12-02 10:22:53,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:53,830 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 126 transitions. [2024-12-02 10:22:53,830 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) [2024-12-02 10:22:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-12-02 10:22:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 10:22:53,834 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:53,834 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] [2024-12-02 10:22:53,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:22:54,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:22:54,035 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:22:54,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:54,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1209384223, now seen corresponding path program 1 times [2024-12-02 10:22:54,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:22:54,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242477759] [2024-12-02 10:22:54,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:54,037 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 [2024-12-02 10:22:54,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:22:54,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:22:54,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:22:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:54,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:22:54,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:22:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:22:55,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:22:55,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:22:55,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242477759] [2024-12-02 10:22:55,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1242477759] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:55,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:55,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:22:55,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695190398] [2024-12-02 10:22:55,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:55,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:22:55,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:22:55,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:22:55,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 10:22:55,793 INFO L87 Difference]: Start difference. First operand 81 states and 126 transitions. Second operand has 4 states, 4 states have (on average 10.5) 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) [2024-12-02 10:23:00,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:04,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:08,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:12,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:12,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:23:12,541 INFO L93 Difference]: Finished difference Result 281 states and 437 transitions. [2024-12-02 10:23:12,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:23:12,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) 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 [2024-12-02 10:23:12,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:23:12,578 INFO L225 Difference]: With dead ends: 281 [2024-12-02 10:23:12,578 INFO L226 Difference]: Without dead ends: 203 [2024-12-02 10:23:12,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:23:12,579 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 133 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 64 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:23:12,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 391 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 30 Invalid, 2 Unknown, 0 Unchecked, 16.7s Time] [2024-12-02 10:23:12,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-12-02 10:23:12,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 150. [2024-12-02 10:23:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 95 states have internal predecessors, (126), 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) [2024-12-02 10:23:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 230 transitions. [2024-12-02 10:23:12,598 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 230 transitions. Word has length 169 [2024-12-02 10:23:12,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:23:12,598 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 230 transitions. [2024-12-02 10:23:12,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) 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) [2024-12-02 10:23:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 230 transitions. [2024-12-02 10:23:12,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 10:23:12,602 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:23:12,602 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] [2024-12-02 10:23:12,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:23:12,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:23:12,803 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:23:12,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:23:12,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1151757146, now seen corresponding path program 1 times [2024-12-02 10:23:12,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:23:12,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [427447523] [2024-12-02 10:23:12,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:23:12,804 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 [2024-12-02 10:23:12,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:23:12,806 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:23:12,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:23:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:23:13,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:23:13,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:23:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:23:14,458 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:23:14,459 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:23:14,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [427447523] [2024-12-02 10:23:14,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [427447523] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:23:14,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:23:14,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 10:23:14,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836689071] [2024-12-02 10:23:14,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:23:14,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:23:14,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:23:14,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:23:14,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:23:14,462 INFO L87 Difference]: Start difference. First operand 150 states and 230 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 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) [2024-12-02 10:23:18,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:23,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:27,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:31,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:31,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:23:31,718 INFO L93 Difference]: Finished difference Result 547 states and 844 transitions. [2024-12-02 10:23:31,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 10:23:31,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 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 [2024-12-02 10:23:31,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:23:31,722 INFO L225 Difference]: With dead ends: 547 [2024-12-02 10:23:31,722 INFO L226 Difference]: Without dead ends: 400 [2024-12-02 10:23:31,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:23:31,723 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 194 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 59 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:23:31,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 602 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 41 Invalid, 3 Unknown, 0 Unchecked, 17.1s Time] [2024-12-02 10:23:31,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-12-02 10:23:31,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 266. [2024-12-02 10:23:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 157 states have (on average 1.2611464968152866) internal successors, (198), 157 states have internal predecessors, (198), 104 states have call successors, (104), 4 states have call predecessors, (104), 4 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-12-02 10:23:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 406 transitions. [2024-12-02 10:23:31,775 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 406 transitions. Word has length 170 [2024-12-02 10:23:31,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:23:31,775 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 406 transitions. [2024-12-02 10:23:31,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 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) [2024-12-02 10:23:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 406 transitions. [2024-12-02 10:23:31,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 10:23:31,778 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:23:31,778 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] [2024-12-02 10:23:31,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:23:31,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:23:31,979 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:23:31,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:23:31,980 INFO L85 PathProgramCache]: Analyzing trace with hash 130688792, now seen corresponding path program 1 times [2024-12-02 10:23:31,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:23:31,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806927809] [2024-12-02 10:23:31,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:23:31,980 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 [2024-12-02 10:23:31,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:23:31,982 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:23:31,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:23:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:23:32,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 10:23:32,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:23:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 637 proven. 90 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-12-02 10:23:34,397 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:23:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-12-02 10:23:35,486 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:23:35,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806927809] [2024-12-02 10:23:35,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806927809] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:23:35,486 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 10:23:35,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 14 [2024-12-02 10:23:35,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501548131] [2024-12-02 10:23:35,487 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 10:23:35,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 10:23:35,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:23:35,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 10:23:35,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-12-02 10:23:35,488 INFO L87 Difference]: Start difference. First operand 266 states and 406 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 3 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 10:23:38,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:42,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:46,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:48,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:56,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:58,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:23:58,277 INFO L93 Difference]: Finished difference Result 784 states and 1147 transitions. [2024-12-02 10:23:58,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-02 10:23:58,277 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 3 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 170 [2024-12-02 10:23:58,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:23:58,280 INFO L225 Difference]: With dead ends: 784 [2024-12-02 10:23:58,280 INFO L226 Difference]: Without dead ends: 570 [2024-12-02 10:23:58,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 329 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=338, Invalid=1068, Unknown=0, NotChecked=0, Total=1406 [2024-12-02 10:23:58,282 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 577 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 309 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:23:58,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 689 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 699 Invalid, 3 Unknown, 0 Unchecked, 21.4s Time] [2024-12-02 10:23:58,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-12-02 10:23:58,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 307. [2024-12-02 10:23:58,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 190 states have (on average 1.236842105263158) internal successors, (235), 190 states have internal predecessors, (235), 104 states have call successors, (104), 12 states have call predecessors, (104), 12 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-12-02 10:23:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 443 transitions. [2024-12-02 10:23:58,332 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 443 transitions. Word has length 170 [2024-12-02 10:23:58,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:23:58,332 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 443 transitions. [2024-12-02 10:23:58,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 3 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 10:23:58,333 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 443 transitions. [2024-12-02 10:23:58,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 10:23:58,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:23:58,335 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] [2024-12-02 10:23:58,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:23:58,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:23:58,535 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:23:58,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:23:58,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1421213278, now seen corresponding path program 1 times [2024-12-02 10:23:58,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:23:58,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906664396] [2024-12-02 10:23:58,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:23:58,537 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 [2024-12-02 10:23:58,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:23:58,538 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:23:58,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 10:23:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:23:59,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 10:23:59,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:24:00,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 213 proven. 69 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2024-12-02 10:24:00,268 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:24:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-12-02 10:24:01,424 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:24:01,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906664396] [2024-12-02 10:24:01,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906664396] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:24:01,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 10:24:01,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-12-02 10:24:01,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880223284] [2024-12-02 10:24:01,425 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 10:24:01,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 10:24:01,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:24:01,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 10:24:01,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-12-02 10:24:01,427 INFO L87 Difference]: Start difference. First operand 307 states and 443 transitions. Second operand has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-12-02 10:24:07,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:24:11,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:24:15,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 10:24:15,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:24:15,458 INFO L93 Difference]: Finished difference Result 624 states and 883 transitions. [2024-12-02 10:24:15,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 10:24:15,497 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 171 [2024-12-02 10:24:15,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:24:15,500 INFO L225 Difference]: With dead ends: 624 [2024-12-02 10:24:15,500 INFO L226 Difference]: Without dead ends: 377 [2024-12-02 10:24:15,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 330 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-12-02 10:24:15,501 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 107 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:24:15,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 425 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 371 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2024-12-02 10:24:15,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-12-02 10:24:15,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 330. [2024-12-02 10:24:15,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 209 states have (on average 1.229665071770335) internal successors, (257), 209 states have internal predecessors, (257), 104 states have call successors, (104), 16 states have call predecessors, (104), 16 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-12-02 10:24:15,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 465 transitions. [2024-12-02 10:24:15,534 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 465 transitions. Word has length 171 [2024-12-02 10:24:15,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:24:15,534 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 465 transitions. [2024-12-02 10:24:15,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-12-02 10:24:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 465 transitions. [2024-12-02 10:24:15,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 10:24:15,536 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:24:15,536 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] [2024-12-02 10:24:15,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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)] Ended with exit code 0 [2024-12-02 10:24:15,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:24:15,736 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:24:15,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:15,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1814240288, now seen corresponding path program 1 times [2024-12-02 10:24:15,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:24:15,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681122917] [2024-12-02 10:24:15,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:15,737 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 [2024-12-02 10:24:15,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:24:15,739 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:24:15,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:24:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:16,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 10:24:16,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:24:17,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:24:17,527 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:24:17,527 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:24:17,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681122917] [2024-12-02 10:24:17,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681122917] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:24:17,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:24:17,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 10:24:17,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873052947] [2024-12-02 10:24:17,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:24:17,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:24:17,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:24:17,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:24:17,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:24:17,528 INFO L87 Difference]: Start difference. First operand 330 states and 465 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 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) [2024-12-02 10:24:22,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:24:26,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:24:30,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:24:34,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:24:34,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:24:34,945 INFO L93 Difference]: Finished difference Result 774 states and 1093 transitions. [2024-12-02 10:24:34,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 10:24:34,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 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 171 [2024-12-02 10:24:34,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:24:34,948 INFO L225 Difference]: With dead ends: 774 [2024-12-02 10:24:34,948 INFO L226 Difference]: Without dead ends: 508 [2024-12-02 10:24:34,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-12-02 10:24:34,949 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 246 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 166 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:24:34,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 772 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 126 Invalid, 3 Unknown, 0 Unchecked, 17.0s Time] [2024-12-02 10:24:34,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-12-02 10:24:35,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 362. [2024-12-02 10:24:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 241 states have (on average 1.2614107883817427) internal successors, (304), 241 states have internal predecessors, (304), 104 states have call successors, (104), 16 states have call predecessors, (104), 16 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-12-02 10:24:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 512 transitions. [2024-12-02 10:24:35,010 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 512 transitions. Word has length 171 [2024-12-02 10:24:35,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:24:35,011 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 512 transitions. [2024-12-02 10:24:35,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 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) [2024-12-02 10:24:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 512 transitions. [2024-12-02 10:24:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 10:24:35,012 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:24:35,012 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] [2024-12-02 10:24:35,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:24:35,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:24:35,213 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:24:35,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:35,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1756981986, now seen corresponding path program 1 times [2024-12-02 10:24:35,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:24:35,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623577142] [2024-12-02 10:24:35,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:35,214 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 [2024-12-02 10:24:35,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:24:35,215 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:24:35,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:24:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:35,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 10:24:35,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:24:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 213 proven. 69 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2024-12-02 10:24:39,355 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:24:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:24:42,173 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:24:42,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1623577142] [2024-12-02 10:24:42,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1623577142] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 10:24:42,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:24:42,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-12-02 10:24:42,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665064803] [2024-12-02 10:24:42,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:24:42,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 10:24:42,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:24:42,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:24:42,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-12-02 10:24:42,175 INFO L87 Difference]: Start difference. First operand 362 states and 512 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2024-12-02 10:24:48,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 10:24:52,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 10:24:55,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 10:24:56,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:24:56,079 INFO L93 Difference]: Finished difference Result 663 states and 939 transitions. [2024-12-02 10:24:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:24:56,084 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 171 [2024-12-02 10:24:56,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:24:56,087 INFO L225 Difference]: With dead ends: 663 [2024-12-02 10:24:56,087 INFO L226 Difference]: Without dead ends: 396 [2024-12-02 10:24:56,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-12-02 10:24:56,089 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 26 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:24:56,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 546 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 2 Unknown, 0 Unchecked, 13.4s Time] [2024-12-02 10:24:56,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-12-02 10:24:56,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 371. [2024-12-02 10:24:56,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 250 states have (on average 1.264) internal successors, (316), 250 states have internal predecessors, (316), 104 states have call successors, (104), 16 states have call predecessors, (104), 16 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-12-02 10:24:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 524 transitions. [2024-12-02 10:24:56,144 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 524 transitions. Word has length 171 [2024-12-02 10:24:56,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:24:56,145 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 524 transitions. [2024-12-02 10:24:56,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2024-12-02 10:24:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 524 transitions. [2024-12-02 10:24:56,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 10:24:56,146 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:24:56,146 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] [2024-12-02 10:24:56,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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)] Forceful destruction successful, exit code 0 [2024-12-02 10:24:56,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:24:56,350 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:24:56,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:56,350 INFO L85 PathProgramCache]: Analyzing trace with hash 18025376, now seen corresponding path program 1 times [2024-12-02 10:24:56,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:24:56,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410975382] [2024-12-02 10:24:56,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:56,351 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 [2024-12-02 10:24:56,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:24:56,352 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:24:56,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 (9)] Waiting until timeout for monitored process [2024-12-02 10:24:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:57,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 10:24:57,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:25:05,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 638 proven. 207 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2024-12-02 10:25:05,486 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:26:06,805 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:26:06,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410975382] [2024-12-02 10:26:06,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410975382] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:26:06,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1370956544] [2024-12-02 10:26:06,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:26:06,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 10:26:06,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 10:26:06,807 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 10:26:06,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-02 10:26:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:26:08,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 10:26:08,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:26:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 213 proven. 69 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2024-12-02 10:26:16,535 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:26:39,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1370956544] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:26:39,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 10:26:39,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 10] total 25 [2024-12-02 10:26:39,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122769314] [2024-12-02 10:26:39,375 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 10:26:39,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 10:26:39,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:26:39,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 10:26:39,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=1392, Unknown=0, NotChecked=0, Total=1722 [2024-12-02 10:26:39,376 INFO L87 Difference]: Start difference. First operand 371 states and 524 transitions. Second operand has 26 states, 26 states have (on average 3.5384615384615383) internal successors, (92), 24 states have internal predecessors, (92), 5 states have call successors, (47), 5 states have call predecessors, (47), 8 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2024-12-02 10:26:59,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:27:02,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:27:05,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:27:09,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:27:11,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:27:11,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:27:11,891 INFO L93 Difference]: Finished difference Result 687 states and 957 transitions. [2024-12-02 10:27:11,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-02 10:27:11,891 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.5384615384615383) internal successors, (92), 24 states have internal predecessors, (92), 5 states have call successors, (47), 5 states have call predecessors, (47), 8 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) Word has length 171 [2024-12-02 10:27:11,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:27:11,894 INFO L225 Difference]: With dead ends: 687 [2024-12-02 10:27:11,894 INFO L226 Difference]: Without dead ends: 413 [2024-12-02 10:27:11,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1339 ImplicationChecksByTransitivity, 66.2s TimeCoverageRelationStatistics Valid=998, Invalid=3972, Unknown=0, NotChecked=0, Total=4970 [2024-12-02 10:27:11,896 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 446 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 74 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:27:11,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 865 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1207 Invalid, 2 Unknown, 0 Unchecked, 24.2s Time] [2024-12-02 10:27:11,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-12-02 10:27:11,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 374. [2024-12-02 10:27:11,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 252 states have (on average 1.257936507936508) internal successors, (317), 252 states have internal predecessors, (317), 104 states have call successors, (104), 17 states have call predecessors, (104), 17 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-12-02 10:27:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 525 transitions. [2024-12-02 10:27:11,937 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 525 transitions. Word has length 171 [2024-12-02 10:27:11,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:27:11,937 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 525 transitions. [2024-12-02 10:27:11,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.5384615384615383) internal successors, (92), 24 states have internal predecessors, (92), 5 states have call successors, (47), 5 states have call predecessors, (47), 8 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2024-12-02 10:27:11,939 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 525 transitions. [2024-12-02 10:27:11,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 10:27:11,940 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:27:11,941 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] [2024-12-02 10:27:11,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-02 10:27:12,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 (9)] Ended with exit code 0 [2024-12-02 10:27:12,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:27:12,341 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:27:12,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:27:12,342 INFO L85 PathProgramCache]: Analyzing trace with hash -414298976, now seen corresponding path program 1 times [2024-12-02 10:27:12,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:27:12,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [709707245] [2024-12-02 10:27:12,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:27:12,342 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 [2024-12-02 10:27:12,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:27:12,344 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:27:12,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 (11)] Waiting until timeout for monitored process [2024-12-02 10:27:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:27:12,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 10:27:12,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:27:14,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 10:27:14,476 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:27:14,476 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:27:14,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [709707245] [2024-12-02 10:27:14,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [709707245] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:27:14,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:27:14,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 10:27:14,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188590626] [2024-12-02 10:27:14,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:27:14,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:27:14,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:27:14,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:27:14,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:27:14,477 INFO L87 Difference]: Start difference. First operand 374 states and 525 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 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) [2024-12-02 10:27:19,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:27:23,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:27:25,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:27:29,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:27:31,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 10:27:31,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:27:31,098 INFO L93 Difference]: Finished difference Result 797 states and 1119 transitions. [2024-12-02 10:27:31,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 10:27:31,099 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 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 171 [2024-12-02 10:27:31,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:27:31,102 INFO L225 Difference]: With dead ends: 797 [2024-12-02 10:27:31,102 INFO L226 Difference]: Without dead ends: 523 [2024-12-02 10:27:31,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2024-12-02 10:27:31,103 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 275 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 68 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:27:31,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 743 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 122 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2024-12-02 10:27:31,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-12-02 10:27:31,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 374. [2024-12-02 10:27:31,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 252 states have (on average 1.25) internal successors, (315), 252 states have internal predecessors, (315), 104 states have call successors, (104), 17 states have call predecessors, (104), 17 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-12-02 10:27:31,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 523 transitions. [2024-12-02 10:27:31,139 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 523 transitions. Word has length 171 [2024-12-02 10:27:31,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:27:31,139 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 523 transitions. [2024-12-02 10:27:31,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 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) [2024-12-02 10:27:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 523 transitions. [2024-12-02 10:27:31,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 10:27:31,140 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:27:31,141 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] [2024-12-02 10:27:31,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 (11)] Ended with exit code 0 [2024-12-02 10:27:31,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 10:27:31,341 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:27:31,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:27:31,342 INFO L85 PathProgramCache]: Analyzing trace with hash 2105660958, now seen corresponding path program 1 times [2024-12-02 10:27:31,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:27:31,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767164676] [2024-12-02 10:27:31,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:27:31,342 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 [2024-12-02 10:27:31,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:27:31,344 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 10:27:31,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_079e3a9a-e088-43df-850f-7a77340439b4/bin/uautomizer-verify-84ZbGMXZE1/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 (12)] Waiting until timeout for monitored process [2024-12-02 10:27:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:27:31,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-02 10:27:31,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:28:18,787 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:29:05,725 WARN L286 SmtUtils]: Spent 16.98s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:29:53,792 WARN L286 SmtUtils]: Spent 19.14s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:30:38,392 WARN L286 SmtUtils]: Spent 17.61s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:31:45,831 WARN L286 SmtUtils]: Spent 19.74s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:32:41,674 WARN L286 SmtUtils]: Spent 17.68s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:33:56,208 WARN L286 SmtUtils]: Spent 21.20s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 10:34:57,065 WARN L286 SmtUtils]: Spent 21.59s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)