./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd --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 b8b9ffa0f086760a52bbb5b7ce872ecb50536a94abf6bed664eac71cc82e5722 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:25:11,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:25:11,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:25:11,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:25:11,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:25:11,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:25:11,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:25:11,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:25:11,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:25:11,202 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:25:11,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:25:11,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:25:11,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:25:11,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:25:11,203 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:25:11,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:25:11,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:25:11,203 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:25:11,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:25:11,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:25:11,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:25:11,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:25:11,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:25:11,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:25:11,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:25:11,204 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:25:11,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:25:11,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:25:11,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:25:11,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:25:11,205 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:25:11,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:25:11,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:25:11,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:25:11,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:25:11,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:25:11,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:25:11,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:25:11,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:25:11,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:25:11,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:25:11,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:25:11,207 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_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd 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 -> b8b9ffa0f086760a52bbb5b7ce872ecb50536a94abf6bed664eac71cc82e5722 [2024-11-13 15:25:11,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:25:11,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:25:11,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:25:11,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:25:11,500 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:25:11,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i Unable to find full path for "g++" [2024-11-13 15:25:13,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:25:13,728 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:25:13,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2024-11-13 15:25:13,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/data/3c7be4313/6f66a3e3fdc541458b0aed7b34c71cc8/FLAG835353cea [2024-11-13 15:25:13,762 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/data/3c7be4313/6f66a3e3fdc541458b0aed7b34c71cc8 [2024-11-13 15:25:13,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:25:13,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:25:13,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:25:13,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:25:13,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:25:13,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:25:13" (1/1) ... [2024-11-13 15:25:13,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35014352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:13, skipping insertion in model container [2024-11-13 15:25:13,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:25:13" (1/1) ... [2024-11-13 15:25:13,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:25:13,985 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_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i[915,928] [2024-11-13 15:25:14,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:25:14,105 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:25:14,115 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_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i[915,928] [2024-11-13 15:25:14,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:25:14,180 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:25:14,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14 WrapperNode [2024-11-13 15:25:14,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:25:14,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:25:14,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:25:14,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:25:14,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (1/1) ... [2024-11-13 15:25:14,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (1/1) ... [2024-11-13 15:25:14,237 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2024-11-13 15:25:14,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:25:14,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:25:14,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:25:14,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:25:14,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (1/1) ... [2024-11-13 15:25:14,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (1/1) ... [2024-11-13 15:25:14,251 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (1/1) ... [2024-11-13 15:25:14,284 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 15:25:14,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (1/1) ... [2024-11-13 15:25:14,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (1/1) ... [2024-11-13 15:25:14,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (1/1) ... [2024-11-13 15:25:14,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (1/1) ... [2024-11-13 15:25:14,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (1/1) ... [2024-11-13 15:25:14,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (1/1) ... [2024-11-13 15:25:14,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:25:14,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:25:14,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:25:14,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:25:14,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (1/1) ... [2024-11-13 15:25:14,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:25:14,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:14,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:25:14,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:25:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:25:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:25:14,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:25:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:25:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:25:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:25:14,525 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:25:14,528 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:25:15,144 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 15:25:15,145 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:25:15,162 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:25:15,162 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:25:15,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:25:15 BoogieIcfgContainer [2024-11-13 15:25:15,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:25:15,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:25:15,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:25:15,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:25:15,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:25:13" (1/3) ... [2024-11-13 15:25:15,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4b3535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:25:15, skipping insertion in model container [2024-11-13 15:25:15,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:25:14" (2/3) ... [2024-11-13 15:25:15,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4b3535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:25:15, skipping insertion in model container [2024-11-13 15:25:15,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:25:15" (3/3) ... [2024-11-13 15:25:15,177 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2024-11-13 15:25:15,216 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:25:15,219 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-59.i that has 2 procedures, 86 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:25:15,294 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:25:15,311 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;@70aec09f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:25:15,312 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:25:15,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-13 15:25:15,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-13 15:25:15,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:25:15,334 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:15,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:25:15,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:15,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1859216265, now seen corresponding path program 1 times [2024-11-13 15:25:15,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:15,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146078385] [2024-11-13 15:25:15,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:15,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:25:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:25:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 15:25:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:25:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:25:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:25:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:25:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:25:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:25:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:25:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:25:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:25:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:25:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:25:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:25:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:25:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 15:25:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:25:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:25:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:25:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 15:25:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:25:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:25:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 15:25:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:25:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:25:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:25:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-13 15:25:15,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:15,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146078385] [2024-11-13 15:25:15,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146078385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:25:15,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:25:15,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:25:15,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024460836] [2024-11-13 15:25:15,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:25:15,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:25:15,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:16,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:25:16,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:25:16,021 INFO L87 Difference]: Start difference. First operand has 86 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 15:25:16,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:25:16,069 INFO L93 Difference]: Finished difference Result 165 states and 289 transitions. [2024-11-13 15:25:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:25:16,071 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2024-11-13 15:25:16,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:25:16,078 INFO L225 Difference]: With dead ends: 165 [2024-11-13 15:25:16,079 INFO L226 Difference]: Without dead ends: 82 [2024-11-13 15:25:16,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:25:16,086 INFO L432 NwaCegarLoop]: 125 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, 125 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:25:16,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:25:16,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-13 15:25:16,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-13 15:25:16,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 53 states have internal predecessors, (71), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-13 15:25:16,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 125 transitions. [2024-11-13 15:25:16,147 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 125 transitions. Word has length 175 [2024-11-13 15:25:16,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:25:16,147 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 125 transitions. [2024-11-13 15:25:16,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 15:25:16,149 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2024-11-13 15:25:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-13 15:25:16,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:25:16,154 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:16,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:25:16,156 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:25:16,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:16,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1154950911, now seen corresponding path program 1 times [2024-11-13 15:25:16,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:16,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101538155] [2024-11-13 15:25:16,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:16,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:25:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:25:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 15:25:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:25:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:25:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:25:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:25:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:25:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:25:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:25:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:25:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:25:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:25:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:25:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:25:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:25:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 15:25:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:25:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:25:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:25:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 15:25:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:25:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:25:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 15:25:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:25:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:25:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:25:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-13 15:25:16,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:16,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101538155] [2024-11-13 15:25:16,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101538155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:25:16,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:25:16,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:25:16,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452691814] [2024-11-13 15:25:16,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:25:16,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:25:16,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:16,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:25:16,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:25:16,950 INFO L87 Difference]: Start difference. First operand 82 states and 125 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:25:17,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:25:17,220 INFO L93 Difference]: Finished difference Result 225 states and 343 transitions. [2024-11-13 15:25:17,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:25:17,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-13 15:25:17,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:25:17,224 INFO L225 Difference]: With dead ends: 225 [2024-11-13 15:25:17,226 INFO L226 Difference]: Without dead ends: 146 [2024-11-13 15:25:17,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:25:17,230 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 96 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:25:17,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 309 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:25:17,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-13 15:25:17,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2024-11-13 15:25:17,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 94 states have internal predecessors, (124), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-13 15:25:17,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 218 transitions. [2024-11-13 15:25:17,277 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 218 transitions. Word has length 175 [2024-11-13 15:25:17,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:25:17,278 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 218 transitions. [2024-11-13 15:25:17,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:25:17,278 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 218 transitions. [2024-11-13 15:25:17,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-13 15:25:17,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:25:17,283 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:17,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:25:17,284 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:25:17,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:17,285 INFO L85 PathProgramCache]: Analyzing trace with hash 143833661, now seen corresponding path program 1 times [2024-11-13 15:25:17,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:17,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986571006] [2024-11-13 15:25:17,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:17,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:25:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:25:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 15:25:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:25:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:25:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:25:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:25:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:25:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:25:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:25:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:25:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:25:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:25:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:25:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:25:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:25:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 15:25:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:25:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:25:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:25:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 15:25:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:25:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:25:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 15:25:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:25:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:25:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:25:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-13 15:25:17,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:17,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986571006] [2024-11-13 15:25:17,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986571006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:25:17,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:25:17,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:25:17,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725739303] [2024-11-13 15:25:17,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:25:17,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:25:17,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:17,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:25:17,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:25:17,921 INFO L87 Difference]: Start difference. First operand 143 states and 218 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:25:17,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:25:17,993 INFO L93 Difference]: Finished difference Result 422 states and 647 transitions. [2024-11-13 15:25:18,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:25:18,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-13 15:25:18,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:25:18,005 INFO L225 Difference]: With dead ends: 422 [2024-11-13 15:25:18,009 INFO L226 Difference]: Without dead ends: 282 [2024-11-13 15:25:18,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:25:18,012 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 71 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:25:18,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 273 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:25:18,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-13 15:25:18,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 280. [2024-11-13 15:25:18,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 181 states have (on average 1.3314917127071824) internal successors, (241), 183 states have internal predecessors, (241), 94 states have call successors, (94), 4 states have call predecessors, (94), 4 states have return successors, (94), 92 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-13 15:25:18,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 429 transitions. [2024-11-13 15:25:18,109 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 429 transitions. Word has length 175 [2024-11-13 15:25:18,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:25:18,110 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 429 transitions. [2024-11-13 15:25:18,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:25:18,111 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 429 transitions. [2024-11-13 15:25:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-13 15:25:18,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:25:18,117 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:18,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:25:18,117 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:25:18,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:18,118 INFO L85 PathProgramCache]: Analyzing trace with hash 943865013, now seen corresponding path program 1 times [2024-11-13 15:25:18,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:18,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662958515] [2024-11-13 15:25:18,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:18,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:25:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:25:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 15:25:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:25:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:25:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:25:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:25:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:25:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:25:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:25:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:25:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:25:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:25:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:25:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:25:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:25:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 15:25:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:25:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:25:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:25:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 15:25:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:25:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:25:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 15:25:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:25:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:25:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:25:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:18,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-13 15:25:18,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:18,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662958515] [2024-11-13 15:25:18,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662958515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:25:18,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:25:18,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:25:18,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630831858] [2024-11-13 15:25:18,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:25:18,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:25:18,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:18,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:25:18,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:25:18,471 INFO L87 Difference]: Start difference. First operand 280 states and 429 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:25:18,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:25:18,577 INFO L93 Difference]: Finished difference Result 557 states and 855 transitions. [2024-11-13 15:25:18,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:25:18,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-13 15:25:18,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:25:18,588 INFO L225 Difference]: With dead ends: 557 [2024-11-13 15:25:18,588 INFO L226 Difference]: Without dead ends: 280 [2024-11-13 15:25:18,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:25:18,589 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:25:18,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 237 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:25:18,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-13 15:25:18,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 279. [2024-11-13 15:25:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 180 states have (on average 1.3111111111111111) internal successors, (236), 182 states have internal predecessors, (236), 94 states have call successors, (94), 4 states have call predecessors, (94), 4 states have return successors, (94), 92 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-13 15:25:18,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 424 transitions. [2024-11-13 15:25:18,681 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 424 transitions. Word has length 176 [2024-11-13 15:25:18,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:25:18,685 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 424 transitions. [2024-11-13 15:25:18,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:25:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 424 transitions. [2024-11-13 15:25:18,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-13 15:25:18,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:25:18,687 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:18,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:25:18,688 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:25:18,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:18,688 INFO L85 PathProgramCache]: Analyzing trace with hash -67252237, now seen corresponding path program 1 times [2024-11-13 15:25:18,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:18,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768352270] [2024-11-13 15:25:18,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:18,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:25:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:25:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 15:25:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:25:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:25:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:25:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:25:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:25:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:25:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:25:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:25:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:25:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:25:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:25:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:25:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:25:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 15:25:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:25:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:25:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:25:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 15:25:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:25:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:25:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 15:25:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:25:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:25:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:25:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-13 15:25:19,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:19,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768352270] [2024-11-13 15:25:19,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768352270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:25:19,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:25:19,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:25:19,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750490754] [2024-11-13 15:25:19,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:25:19,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:25:19,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:19,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:25:19,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:25:19,167 INFO L87 Difference]: Start difference. First operand 279 states and 424 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:25:19,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:25:19,427 INFO L93 Difference]: Finished difference Result 687 states and 1040 transitions. [2024-11-13 15:25:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:25:19,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-13 15:25:19,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:25:19,432 INFO L225 Difference]: With dead ends: 687 [2024-11-13 15:25:19,432 INFO L226 Difference]: Without dead ends: 411 [2024-11-13 15:25:19,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:25:19,434 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 85 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:25:19,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 356 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:25:19,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-13 15:25:19,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 358. [2024-11-13 15:25:19,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 230 states have (on average 1.2695652173913043) internal successors, (292), 232 states have internal predecessors, (292), 121 states have call successors, (121), 6 states have call predecessors, (121), 6 states have return successors, (121), 119 states have call predecessors, (121), 121 states have call successors, (121) [2024-11-13 15:25:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 534 transitions. [2024-11-13 15:25:19,497 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 534 transitions. Word has length 176 [2024-11-13 15:25:19,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:25:19,498 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 534 transitions. [2024-11-13 15:25:19,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:25:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 534 transitions. [2024-11-13 15:25:19,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-13 15:25:19,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:25:19,501 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:19,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:25:19,501 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:25:19,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:19,501 INFO L85 PathProgramCache]: Analyzing trace with hash -42304363, now seen corresponding path program 1 times [2024-11-13 15:25:19,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:19,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773718275] [2024-11-13 15:25:19,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:19,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:25:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:25:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 15:25:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:25:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:25:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:25:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:25:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:25:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:25:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:25:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:25:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:25:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:25:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:25:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:25:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:25:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 15:25:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:25:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:25:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:25:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 15:25:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:25:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:25:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 15:25:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:25:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:25:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:25:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-13 15:25:19,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:19,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773718275] [2024-11-13 15:25:19,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773718275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:25:19,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:25:19,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:25:19,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221116253] [2024-11-13 15:25:19,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:25:19,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:25:19,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:19,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:25:19,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:25:19,912 INFO L87 Difference]: Start difference. First operand 358 states and 534 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:25:20,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:25:20,030 INFO L93 Difference]: Finished difference Result 909 states and 1348 transitions. [2024-11-13 15:25:20,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:25:20,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-13 15:25:20,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:25:20,036 INFO L225 Difference]: With dead ends: 909 [2024-11-13 15:25:20,036 INFO L226 Difference]: Without dead ends: 610 [2024-11-13 15:25:20,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:25:20,038 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 87 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:25:20,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 283 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:25:20,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-11-13 15:25:20,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 604. [2024-11-13 15:25:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 408 states have (on average 1.2818627450980393) internal successors, (523), 414 states have internal predecessors, (523), 185 states have call successors, (185), 10 states have call predecessors, (185), 10 states have return successors, (185), 179 states have call predecessors, (185), 185 states have call successors, (185) [2024-11-13 15:25:20,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 893 transitions. [2024-11-13 15:25:20,150 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 893 transitions. Word has length 177 [2024-11-13 15:25:20,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:25:20,152 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 893 transitions. [2024-11-13 15:25:20,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:25:20,152 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 893 transitions. [2024-11-13 15:25:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-13 15:25:20,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:25:20,155 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:20,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:25:20,155 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:25:20,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:20,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1731248105, now seen corresponding path program 1 times [2024-11-13 15:25:20,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:20,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364720229] [2024-11-13 15:25:20,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:20,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:25:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:25:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 15:25:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:25:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:25:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:25:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:25:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:25:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:25:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:25:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:25:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:25:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:25:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:25:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:25:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:25:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 15:25:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:25:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:25:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:25:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 15:25:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:25:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:25:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 15:25:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:25:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:25:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:25:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-13 15:25:20,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:20,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364720229] [2024-11-13 15:25:20,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364720229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:25:20,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:25:20,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:25:20,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390867262] [2024-11-13 15:25:20,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:25:20,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:25:20,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:20,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:25:20,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:25:20,546 INFO L87 Difference]: Start difference. First operand 604 states and 893 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:25:20,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:25:20,932 INFO L93 Difference]: Finished difference Result 1666 states and 2488 transitions. [2024-11-13 15:25:20,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:25:20,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-13 15:25:20,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:25:20,942 INFO L225 Difference]: With dead ends: 1666 [2024-11-13 15:25:20,943 INFO L226 Difference]: Without dead ends: 1168 [2024-11-13 15:25:20,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:25:20,946 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 100 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:25:20,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 354 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:25:20,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2024-11-13 15:25:21,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1100. [2024-11-13 15:25:21,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 738 states have (on average 1.2777777777777777) internal successors, (943), 750 states have internal predecessors, (943), 343 states have call successors, (343), 18 states have call predecessors, (343), 18 states have return successors, (343), 331 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-13 15:25:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1629 transitions. [2024-11-13 15:25:21,216 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1629 transitions. Word has length 177 [2024-11-13 15:25:21,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:25:21,219 INFO L471 AbstractCegarLoop]: Abstraction has 1100 states and 1629 transitions. [2024-11-13 15:25:21,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:25:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1629 transitions. [2024-11-13 15:25:21,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 15:25:21,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:25:21,224 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:21,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:25:21,225 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:25:21,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:21,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1784659490, now seen corresponding path program 1 times [2024-11-13 15:25:21,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:21,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512407097] [2024-11-13 15:25:21,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:21,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:25:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:25:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 15:25:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:25:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:25:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 15:25:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-13 15:25:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 15:25:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:25:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:25:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 15:25:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:25:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:21,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:25:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 15:25:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:25:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:25:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 15:25:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:25:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:25:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:25:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 15:25:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:25:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:25:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 15:25:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:25:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:25:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:25:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-13 15:25:22,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:22,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512407097] [2024-11-13 15:25:22,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512407097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:25:22,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018285453] [2024-11-13 15:25:22,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:22,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:25:22,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:22,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:25:22,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:25:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:22,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 15:25:22,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:25:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 738 proven. 78 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2024-11-13 15:25:22,770 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:25:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-13 15:25:23,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018285453] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:25:23,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:25:23,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 13 [2024-11-13 15:25:23,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304364200] [2024-11-13 15:25:23,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:25:23,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:25:23,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:23,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:25:23,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:25:23,210 INFO L87 Difference]: Start difference. First operand 1100 states and 1629 transitions. Second operand has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 3 states have call successors, (41), 3 states have call predecessors, (41), 5 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-13 15:25:24,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:25:24,901 INFO L93 Difference]: Finished difference Result 3990 states and 5666 transitions. [2024-11-13 15:25:24,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-13 15:25:24,903 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 3 states have call successors, (41), 3 states have call predecessors, (41), 5 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 178 [2024-11-13 15:25:24,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:25:24,925 INFO L225 Difference]: With dead ends: 3990 [2024-11-13 15:25:24,925 INFO L226 Difference]: Without dead ends: 2996 [2024-11-13 15:25:24,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 406 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=307, Invalid=815, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 15:25:24,930 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 502 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 357 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:25:24,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 397 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [357 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:25:24,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2996 states. [2024-11-13 15:25:25,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2996 to 1316. [2024-11-13 15:25:25,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1316 states, 920 states have (on average 1.2315217391304347) internal successors, (1133), 932 states have internal predecessors, (1133), 343 states have call successors, (343), 52 states have call predecessors, (343), 52 states have return successors, (343), 331 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-13 15:25:25,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1819 transitions. [2024-11-13 15:25:25,327 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1819 transitions. Word has length 178 [2024-11-13 15:25:25,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:25:25,328 INFO L471 AbstractCegarLoop]: Abstraction has 1316 states and 1819 transitions. [2024-11-13 15:25:25,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 3 states have call successors, (41), 3 states have call predecessors, (41), 5 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-13 15:25:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1819 transitions. [2024-11-13 15:25:25,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 15:25:25,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:25:25,331 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:25,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:25:25,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:25:25,532 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:25:25,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:25,532 INFO L85 PathProgramCache]: Analyzing trace with hash -735300444, now seen corresponding path program 1 times [2024-11-13 15:25:25,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:25,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583370070] [2024-11-13 15:25:25,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:25,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:25:25,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1748726523] [2024-11-13 15:25:25,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:25,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:25:25,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:25,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:25:25,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:25:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:25,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 15:25:25,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:25:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 276 proven. 198 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2024-11-13 15:25:28,326 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:25:44,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:25:44,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583370070] [2024-11-13 15:25:44,199 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:25:44,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748726523] [2024-11-13 15:25:44,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748726523] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:25:44,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:25:44,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-13 15:25:44,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665267773] [2024-11-13 15:25:44,199 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:25:44,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:25:44,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:25:44,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:25:44,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:25:44,201 INFO L87 Difference]: Start difference. First operand 1316 states and 1819 transitions. Second operand has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (27), 4 states have call predecessors, (27), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-13 15:25:45,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:25:45,270 INFO L93 Difference]: Finished difference Result 2666 states and 3612 transitions. [2024-11-13 15:25:45,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:25:45,271 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (27), 4 states have call predecessors, (27), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 178 [2024-11-13 15:25:45,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:25:45,280 INFO L225 Difference]: With dead ends: 2666 [2024-11-13 15:25:45,280 INFO L226 Difference]: Without dead ends: 1464 [2024-11-13 15:25:45,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2024-11-13 15:25:45,284 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 84 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:25:45,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 538 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:25:45,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2024-11-13 15:25:45,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1424. [2024-11-13 15:25:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 1001 states have (on average 1.2047952047952049) internal successors, (1206), 1013 states have internal predecessors, (1206), 343 states have call successors, (343), 79 states have call predecessors, (343), 79 states have return successors, (343), 331 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-13 15:25:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 1892 transitions. [2024-11-13 15:25:45,494 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 1892 transitions. Word has length 178 [2024-11-13 15:25:45,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:25:45,494 INFO L471 AbstractCegarLoop]: Abstraction has 1424 states and 1892 transitions. [2024-11-13 15:25:45,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 12 states have internal predecessors, (58), 4 states have call successors, (27), 4 states have call predecessors, (27), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-13 15:25:45,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1892 transitions. [2024-11-13 15:25:45,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 15:25:45,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:25:45,502 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:25:45,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:25:45,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:25:45,703 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:25:45,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:25:45,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1526494052, now seen corresponding path program 1 times [2024-11-13 15:25:45,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:25:45,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835927274] [2024-11-13 15:25:45,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:45,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:25:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:25:45,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [298478342] [2024-11-13 15:25:45,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:25:45,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:25:45,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:25:45,895 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:25:45,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:25:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:25:46,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 15:25:46,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:25:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 338 proven. 300 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2024-11-13 15:25:48,905 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:26:28,235 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (mod c_~var_1_4~0 256))) (let ((.cse2 (div (mod c_~var_1_6~0 65536) .cse7)) (.cse4 (mod c_~var_1_19~0 4294967296))) (let ((.cse0 (mod (+ .cse7 c_~var_1_7~0) 65536)) (.cse1 (+ .cse4 1)) (.cse6 (mod |c_ULTIMATE.start_step_~stepLocal_2~0#1| 65536)) (.cse5 (+ (mod c_~var_1_7~0 65536) .cse7 1)) (.cse3 (mod (* c_~var_1_19~0 .cse2) 4294967296))) (and (or (< .cse0 .cse1) (not (= (mod (* .cse2 .cse0) 4294967296) .cse0))) (or (not (= .cse3 .cse0)) (< .cse4 .cse0)) (forall ((v_z_8 Int)) (or (< v_z_8 .cse1) (not (= (mod (* v_z_8 .cse2) 4294967296) v_z_8)) (< v_z_8 .cse5) (< .cse6 v_z_8))) (or (< .cse6 .cse3) (< .cse3 .cse5) (< .cse4 .cse3)))))) is different from false [2024-11-13 15:26:40,984 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:26:50,817 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:27:49,554 WARN L286 SmtUtils]: Spent 40.26s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 15:28:01,159 WARN L286 SmtUtils]: Spent 6.48s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:28:13,237 WARN L286 SmtUtils]: Spent 8.63s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:28:21,593 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:28:30,447 WARN L286 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:28:43,592 WARN L286 SmtUtils]: Spent 13.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:29:15,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:29:15,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835927274] [2024-11-13 15:29:15,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:29:15,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298478342] [2024-11-13 15:29:15,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298478342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:29:15,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:29:15,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2024-11-13 15:29:15,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889447022] [2024-11-13 15:29:15,132 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:29:15,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 15:29:15,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:29:15,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 15:29:15,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=692, Unknown=7, NotChecked=58, Total=992 [2024-11-13 15:29:15,134 INFO L87 Difference]: Start difference. First operand 1424 states and 1892 transitions. Second operand has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 20 states have internal predecessors, (64), 6 states have call successors, (27), 6 states have call predecessors, (27), 7 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-13 15:29:20,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:29:20,580 INFO L93 Difference]: Finished difference Result 2468 states and 3171 transitions. [2024-11-13 15:29:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 15:29:20,581 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 20 states have internal predecessors, (64), 6 states have call successors, (27), 6 states have call predecessors, (27), 7 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 178 [2024-11-13 15:29:20,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:29:20,591 INFO L225 Difference]: With dead ends: 2468 [2024-11-13 15:29:20,591 INFO L226 Difference]: Without dead ends: 1866 [2024-11-13 15:29:20,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 106.3s TimeCoverageRelationStatistics Valid=396, Invalid=1161, Unknown=7, NotChecked=76, Total=1640 [2024-11-13 15:29:20,595 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 144 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:29:20,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 560 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 15:29:20,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2024-11-13 15:29:20,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1672. [2024-11-13 15:29:20,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1191 states have (on average 1.1721242653232578) internal successors, (1396), 1203 states have internal predecessors, (1396), 343 states have call successors, (343), 137 states have call predecessors, (343), 137 states have return successors, (343), 331 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-13 15:29:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2082 transitions. [2024-11-13 15:29:20,894 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2082 transitions. Word has length 178 [2024-11-13 15:29:20,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:29:20,894 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2082 transitions. [2024-11-13 15:29:20,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 20 states have internal predecessors, (64), 6 states have call successors, (27), 6 states have call predecessors, (27), 7 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-13 15:29:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2082 transitions. [2024-11-13 15:29:20,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-13 15:29:20,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:29:20,900 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:20,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:29:21,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 15:29:21,104 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:29:21,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:21,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1555037485, now seen corresponding path program 1 times [2024-11-13 15:29:21,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:29:21,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337805010] [2024-11-13 15:29:21,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:21,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:29:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:29:21,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1567458723] [2024-11-13 15:29:21,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:21,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:29:21,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:29:21,264 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:29:21,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:29:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:29:21,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:29:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:29:21,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:29:21,905 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:29:21,906 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:29:21,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 15:29:22,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 15:29:22,111 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:22,265 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:29:22,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:29:22 BoogieIcfgContainer [2024-11-13 15:29:22,268 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:29:22,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:29:22,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:29:22,269 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:29:22,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:25:15" (3/4) ... [2024-11-13 15:29:22,273 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:29:22,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:29:22,274 INFO L158 Benchmark]: Toolchain (without parser) took 248508.03ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 93.0MB in the beginning and 204.3MB in the end (delta: -111.3MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2024-11-13 15:29:22,275 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:29:22,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.14ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 77.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:29:22,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.20ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 73.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:29:22,275 INFO L158 Benchmark]: Boogie Preprocessor took 87.53ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 66.4MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:29:22,277 INFO L158 Benchmark]: RCFGBuilder took 838.62ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 39.9MB in the end (delta: 26.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:29:22,277 INFO L158 Benchmark]: TraceAbstraction took 247099.80ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 39.4MB in the beginning and 204.3MB in the end (delta: -164.9MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. [2024-11-13 15:29:22,277 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 260.0MB. Free memory was 204.3MB in the beginning and 204.3MB in the end (delta: 31.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:29:22,281 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.14ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 77.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.20ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 73.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.53ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 66.4MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 838.62ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 39.9MB in the end (delta: 26.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 247099.80ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 39.4MB in the beginning and 204.3MB in the end (delta: -164.9MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 260.0MB. Free memory was 204.3MB in the beginning and 204.3MB in the end (delta: 31.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 152, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 142, overapproximation of someBinaryDOUBLEComparisonOperation at line 180, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 144, overapproximation of someBinaryDOUBLEComparisonOperation at line 171, overapproximation of someBinaryDOUBLEComparisonOperation at line 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 85. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned char var_1_4 = 25; [L24] unsigned short int var_1_5 = 0; [L25] unsigned short int var_1_6 = 62100; [L26] unsigned short int var_1_7 = 27651; [L27] double var_1_8 = 128.9; [L28] double var_1_10 = 16.5; [L29] double var_1_11 = 25.5; [L30] double var_1_12 = 199.75; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_15 = 1; [L34] unsigned char var_1_16 = 1; [L35] unsigned short int var_1_17 = 32; [L36] unsigned char var_1_18 = 1; [L37] unsigned long int var_1_19 = 1; [L38] unsigned short int var_1_20 = 25; [L39] float var_1_21 = 0.65; [L40] float var_1_22 = 7.579; [L41] unsigned short int var_1_23 = 50; [L42] signed long int var_1_24 = -25; [L43] signed short int var_1_25 = -100; [L44] signed short int var_1_26 = -256; [L45] unsigned char var_1_27 = 8; [L46] unsigned char var_1_28 = 200; [L47] unsigned char var_1_29 = 10; [L48] unsigned char var_1_30 = 0; [L49] double var_1_31 = 4.25; [L50] double var_1_32 = 2.75; [L51] unsigned short int last_1_var_1_5 = 0; [L52] unsigned char last_1_var_1_15 = 1; [L53] unsigned char last_1_var_1_18 = 1; [L54] unsigned long int last_1_var_1_19 = 1; VAL [isInitial=0, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L184] isInitial = 1 [L185] FCALL initially() [L186] COND TRUE 1 [L187] CALL updateLastVariables() [L174] last_1_var_1_5 = var_1_5 [L175] last_1_var_1_15 = var_1_15 [L176] last_1_var_1_18 = var_1_18 [L177] last_1_var_1_19 = var_1_19 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L187] RET updateLastVariables() [L188] CALL updateVariables() [L129] var_1_4 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L130] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L131] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L131] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L132] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L132] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L133] var_1_6 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L134] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L135] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L135] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L136] var_1_7 = __VERIFIER_nondet_ushort() [L137] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L137] RET assume_abort_if_not(var_1_7 >= 16383) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L138] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L138] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L139] var_1_10 = __VERIFIER_nondet_double() [L140] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L140] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L141] var_1_11 = __VERIFIER_nondet_double() [L142] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L142] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L143] var_1_12 = __VERIFIER_nondet_double() [L144] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L144] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L145] var_1_14 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L146] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L147] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L147] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L148] var_1_16 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L149] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L150] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L150] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L151] var_1_21 = __VERIFIER_nondet_float() [L152] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L152] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L153] var_1_22 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L154] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L155] var_1_23 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L156] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L157] CALL assume_abort_if_not(var_1_23 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L157] RET assume_abort_if_not(var_1_23 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L158] var_1_26 = __VERIFIER_nondet_short() [L159] CALL assume_abort_if_not(var_1_26 >= -32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L159] RET assume_abort_if_not(var_1_26 >= -32766) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L160] CALL assume_abort_if_not(var_1_26 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L160] RET assume_abort_if_not(var_1_26 <= 32766) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L161] var_1_28 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_28 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L162] RET assume_abort_if_not(var_1_28 >= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L163] CALL assume_abort_if_not(var_1_28 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L163] RET assume_abort_if_not(var_1_28 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L164] var_1_29 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L165] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L166] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L166] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L167] var_1_30 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L168] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L169] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L169] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L170] var_1_32 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_32 >= -922337.2036854765600e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L171] RET assume_abort_if_not((var_1_32 >= -922337.2036854765600e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L188] RET updateVariables() [L189] CALL step() [L58] COND TRUE var_1_21 == var_1_22 [L59] var_1_20 = ((((var_1_23) < 0 ) ? -(var_1_23) : (var_1_23))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=0, var_1_23=65536, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L61] COND TRUE ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) > ((((128.5f) < (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))))) ? (128.5f) : (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) [L62] var_1_24 = ((((var_1_20) > (var_1_23)) ? (var_1_20) : (var_1_23))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L64] COND FALSE !(var_1_20 > var_1_24) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L67] COND TRUE (var_1_28 - var_1_29) >= (~ var_1_23) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L68] COND TRUE \read(var_1_30) [L69] var_1_27 = var_1_29 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L72] EXPR var_1_27 ^ (~ var_1_29) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L72] COND FALSE !((var_1_27 ^ (~ var_1_29)) >= var_1_28) [L75] unsigned char stepLocal_3 = last_1_var_1_19 < var_1_6; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L76] COND TRUE \read(last_1_var_1_18) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=1289/10] [L77] COND TRUE (! last_1_var_1_15) || stepLocal_3 [L78] var_1_8 = ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] [L85] COND FALSE !(var_1_12 != var_1_8) [L88] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] [L90] var_1_17 = var_1_4 [L91] var_1_18 = var_1_16 [L92] var_1_19 = var_1_4 [L93] unsigned short int stepLocal_1 = var_1_17; [L94] unsigned char stepLocal_0 = var_1_17 != (16 / var_1_4); VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=0, stepLocal_1=4, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=1, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] [L95] COND FALSE !(stepLocal_0 && var_1_15) [L106] var_1_1 = var_1_17 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] [L108] unsigned short int stepLocal_2 = var_1_17; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, stepLocal_2=4, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] [L109] COND FALSE !(stepLocal_2 < last_1_var_1_5) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] [L112] COND FALSE !(! var_1_15) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] [L116] unsigned short int stepLocal_5 = var_1_6; [L117] unsigned short int stepLocal_4 = var_1_5; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, stepLocal_4=0, stepLocal_5=32767, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] [L118] COND TRUE stepLocal_4 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19)))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, stepLocal_5=32767, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] [L119] COND TRUE var_1_5 <= stepLocal_5 [L120] var_1_13 = 32 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=4, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] [L189] RET step() [L190] CALL, EXPR property() [L180-L181] return (((((((((var_1_17 != (16 / var_1_4)) && var_1_15) ? ((var_1_17 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_17))) : (var_1_15 ? (var_1_1 == ((unsigned short int) var_1_17)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_17))) && ((var_1_17 < last_1_var_1_5) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - last_1_var_1_5)))) : ((! var_1_15) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))))) : 1))) && (last_1_var_1_18 ? (((! last_1_var_1_15) || (last_1_var_1_19 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_5 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))) ? ((var_1_5 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] [L190] RET, EXPR property() [L190] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=0, var_1_23=65536, var_1_24=0, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=-49153, var_1_8=509/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 246.8s, OverallIterations: 11, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1183 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1169 mSDsluCounter, 3432 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2212 mSDsCounter, 558 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1499 IncrementalHoareTripleChecker+Invalid, 2057 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 558 mSolverCounterUnsat, 1220 mSDtfsCounter, 1499 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1539 GetRequests, 1431 SyntacticMatches, 2 SemanticMatches, 106 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 842 ImplicationChecksByTransitivity, 113.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1672occurred in iteration=10, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2047 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 231.9s InterpolantComputationTime, 2657 NumberOfCodeBlocks, 2657 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2109 ConstructedInterpolants, 0 QuantifiedInterpolants, 10460 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1278 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 16188/16848 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 15:29:22,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd --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 b8b9ffa0f086760a52bbb5b7ce872ecb50536a94abf6bed664eac71cc82e5722 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:29:25,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:29:25,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:29:25,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:29:25,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:29:25,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:29:25,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:29:25,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:29:25,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:29:25,393 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:29:25,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:29:25,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:29:25,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:29:25,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:29:25,396 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:29:25,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:29:25,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:29:25,397 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:29:25,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:29:25,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:29:25,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:29:25,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:29:25,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:29:25,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:29:25,398 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:29:25,398 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:29:25,398 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:29:25,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:29:25,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:29:25,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:29:25,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:29:25,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:29:25,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:29:25,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:29:25,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:29:25,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:29:25,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:29:25,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:29:25,401 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:29:25,401 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:29:25,401 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:29:25,402 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:29:25,402 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:29:25,402 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:29:25,403 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_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd 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 -> b8b9ffa0f086760a52bbb5b7ce872ecb50536a94abf6bed664eac71cc82e5722 [2024-11-13 15:29:25,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:29:25,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:29:25,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:29:25,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:29:25,903 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:29:25,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i Unable to find full path for "g++" [2024-11-13 15:29:27,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:29:28,267 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:29:28,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2024-11-13 15:29:28,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/data/22c073dc1/2e73e8181d114e628dfeb5960d6169b1/FLAGa7e7bbeb6 [2024-11-13 15:29:28,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/data/22c073dc1/2e73e8181d114e628dfeb5960d6169b1 [2024-11-13 15:29:28,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:29:28,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:29:28,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:29:28,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:29:28,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:29:28,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524a3663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28, skipping insertion in model container [2024-11-13 15:29:28,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:29:28,527 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_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i[915,928] [2024-11-13 15:29:28,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:29:28,642 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:29:28,659 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_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i[915,928] [2024-11-13 15:29:28,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:29:28,725 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:29:28,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28 WrapperNode [2024-11-13 15:29:28,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:29:28,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:29:28,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:29:28,727 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:29:28,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,812 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2024-11-13 15:29:28,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:29:28,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:29:28,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:29:28,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:29:28,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,842 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,858 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 15:29:28,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:29:28,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:29:28,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:29:28,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:29:28,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (1/1) ... [2024-11-13 15:29:28,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:29:28,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:29:28,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:29:28,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:29:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:29:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:29:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:29:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:29:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:29:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:29:29,101 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:29:29,104 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:29:30,092 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 15:29:30,093 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:29:30,105 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:29:30,105 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:29:30,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:29:30 BoogieIcfgContainer [2024-11-13 15:29:30,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:29:30,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:29:30,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:29:30,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:29:30,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:29:28" (1/3) ... [2024-11-13 15:29:30,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a270137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:29:30, skipping insertion in model container [2024-11-13 15:29:30,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:29:28" (2/3) ... [2024-11-13 15:29:30,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a270137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:29:30, skipping insertion in model container [2024-11-13 15:29:30,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:29:30" (3/3) ... [2024-11-13 15:29:30,119 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2024-11-13 15:29:30,132 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:29:30,134 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-59.i that has 2 procedures, 82 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:29:30,192 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:29:30,205 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;@167f766c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:29:30,205 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:29:30,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 53 states have internal predecessors, (73), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-13 15:29:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 15:29:30,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:29:30,223 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:30,224 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:29:30,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:30,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1853398613, now seen corresponding path program 1 times [2024-11-13 15:29:30,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:29:30,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729780594] [2024-11-13 15:29:30,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:30,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:29:30,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:29:30,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:29:30,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 15:29:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:30,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 15:29:30,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:29:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2024-11-13 15:29:30,784 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:29:30,784 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:29:30,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729780594] [2024-11-13 15:29:30,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729780594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:30,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:29:30,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:29:30,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662895239] [2024-11-13 15:29:30,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:30,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:29:30,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:29:30,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:29:30,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:29:30,817 INFO L87 Difference]: Start difference. First operand has 82 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 53 states have internal predecessors, (73), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) 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, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 15:29:30,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:29:30,846 INFO L93 Difference]: Finished difference Result 157 states and 275 transitions. [2024-11-13 15:29:30,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:29:30,848 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, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2024-11-13 15:29:30,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:29:30,857 INFO L225 Difference]: With dead ends: 157 [2024-11-13 15:29:30,858 INFO L226 Difference]: Without dead ends: 78 [2024-11-13 15:29:30,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:29:30,864 INFO L432 NwaCegarLoop]: 119 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, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:29:30,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:29:30,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-13 15:29:30,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-13 15:29:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-13 15:29:30,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 119 transitions. [2024-11-13 15:29:30,921 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 119 transitions. Word has length 174 [2024-11-13 15:29:30,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:29:30,922 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 119 transitions. [2024-11-13 15:29:30,923 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, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-13 15:29:30,923 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2024-11-13 15:29:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 15:29:30,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:29:30,926 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:30,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/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)] Forceful destruction successful, exit code 0 [2024-11-13 15:29:31,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:29:31,127 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:29:31,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:31,128 INFO L85 PathProgramCache]: Analyzing trace with hash -11720867, now seen corresponding path program 1 times [2024-11-13 15:29:31,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:29:31,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1466329074] [2024-11-13 15:29:31,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:31,129 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:29:31,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:29:31,133 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:29:31,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 15:29:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:31,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:29:31,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:29:32,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 582 proven. 24 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2024-11-13 15:29:32,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:29:32,309 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:29:32,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1466329074] [2024-11-13 15:29:32,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1466329074] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:29:32,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102720913] [2024-11-13 15:29:32,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:32,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:29:32,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:29:32,314 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:29:32,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:29:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:32,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:29:32,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:29:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-13 15:29:33,435 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:29:33,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102720913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:33,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:29:33,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-11-13 15:29:33,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480680344] [2024-11-13 15:29:33,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:33,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:29:33,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:29:33,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:29:33,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:29:33,444 INFO L87 Difference]: Start difference. First operand 78 states and 119 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:29:34,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:29:34,386 INFO L93 Difference]: Finished difference Result 229 states and 352 transitions. [2024-11-13 15:29:34,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:29:34,396 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-13 15:29:34,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:29:34,398 INFO L225 Difference]: With dead ends: 229 [2024-11-13 15:29:34,399 INFO L226 Difference]: Without dead ends: 154 [2024-11-13 15:29:34,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:29:34,400 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 74 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:29:34,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 341 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:29:34,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-13 15:29:34,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 135. [2024-11-13 15:29:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 78 states have (on average 1.2692307692307692) internal successors, (99), 78 states have internal predecessors, (99), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-13 15:29:34,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 207 transitions. [2024-11-13 15:29:34,444 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 207 transitions. Word has length 174 [2024-11-13 15:29:34,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:29:34,445 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 207 transitions. [2024-11-13 15:29:34,445 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:29:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 207 transitions. [2024-11-13 15:29:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-13 15:29:34,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:29:34,448 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:34,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 15:29:34,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:29:34,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:29:34,849 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:29:34,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:34,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1679168090, now seen corresponding path program 1 times [2024-11-13 15:29:34,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:29:34,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135216438] [2024-11-13 15:29:34,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:34,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:29:34,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:29:34,855 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:29:34,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-13 15:29:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:35,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:29:35,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:29:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 582 proven. 24 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2024-11-13 15:29:35,711 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:29:35,815 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:29:35,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135216438] [2024-11-13 15:29:35,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135216438] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:29:35,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102163223] [2024-11-13 15:29:35,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:35,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:29:35,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:29:35,818 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:29:35,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:29:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:36,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 15:29:36,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:29:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-13 15:29:36,976 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:29:36,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102163223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:29:36,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:29:36,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2024-11-13 15:29:36,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871879640] [2024-11-13 15:29:36,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:29:36,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:29:36,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:29:36,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:29:36,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:29:36,979 INFO L87 Difference]: Start difference. First operand 135 states and 207 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:29:38,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:29:38,564 INFO L93 Difference]: Finished difference Result 295 states and 451 transitions. [2024-11-13 15:29:38,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:29:38,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-13 15:29:38,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:29:38,578 INFO L225 Difference]: With dead ends: 295 [2024-11-13 15:29:38,579 INFO L226 Difference]: Without dead ends: 220 [2024-11-13 15:29:38,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:29:38,581 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 89 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:29:38,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 339 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 15:29:38,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-13 15:29:38,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 208. [2024-11-13 15:29:38,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 123 states have (on average 1.2845528455284554) internal successors, (158), 123 states have internal predecessors, (158), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 15:29:38,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 320 transitions. [2024-11-13 15:29:38,649 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 320 transitions. Word has length 175 [2024-11-13 15:29:38,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:29:38,650 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 320 transitions. [2024-11-13 15:29:38,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-13 15:29:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 320 transitions. [2024-11-13 15:29:38,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-13 15:29:38,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:29:38,658 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:38,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/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)] Forceful destruction successful, exit code 0 [2024-11-13 15:29:38,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 15:29:39,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:29:39,059 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:29:39,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:39,060 INFO L85 PathProgramCache]: Analyzing trace with hash 133379118, now seen corresponding path program 1 times [2024-11-13 15:29:39,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:29:39,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056026951] [2024-11-13 15:29:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:39,061 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:29:39,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:29:39,068 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:29:39,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-13 15:29:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:39,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:29:39,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:29:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 582 proven. 24 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2024-11-13 15:29:40,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:29:40,240 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:29:40,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056026951] [2024-11-13 15:29:40,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056026951] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:29:40,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977505021] [2024-11-13 15:29:40,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:40,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:29:40,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:29:40,243 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:29:40,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:29:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:40,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:29:40,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:29:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 722 proven. 42 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-11-13 15:29:41,019 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:29:41,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2024-11-13 15:29:41,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977505021] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:29:41,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:29:41,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 12 [2024-11-13 15:29:41,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451877775] [2024-11-13 15:29:41,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:29:41,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:29:41,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:29:41,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:29:41,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:29:41,588 INFO L87 Difference]: Start difference. First operand 208 states and 320 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 4 states have call successors, (55), 4 states have call predecessors, (55), 7 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2024-11-13 15:29:44,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:29:44,533 INFO L93 Difference]: Finished difference Result 501 states and 723 transitions. [2024-11-13 15:29:44,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 15:29:44,534 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 4 states have call successors, (55), 4 states have call predecessors, (55), 7 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) Word has length 176 [2024-11-13 15:29:44,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:29:44,539 INFO L225 Difference]: With dead ends: 501 [2024-11-13 15:29:44,539 INFO L226 Difference]: Without dead ends: 350 [2024-11-13 15:29:44,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 539 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=385, Invalid=1097, Unknown=0, NotChecked=0, Total=1482 [2024-11-13 15:29:44,542 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 394 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:29:44,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 342 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 15:29:44,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-13 15:29:44,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 254. [2024-11-13 15:29:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 160 states have (on average 1.20625) internal successors, (193), 160 states have internal predecessors, (193), 81 states have call successors, (81), 12 states have call predecessors, (81), 12 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 15:29:44,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 355 transitions. [2024-11-13 15:29:44,590 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 355 transitions. Word has length 176 [2024-11-13 15:29:44,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:29:44,590 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 355 transitions. [2024-11-13 15:29:44,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 4 states have call successors, (55), 4 states have call predecessors, (55), 7 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2024-11-13 15:29:44,591 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 355 transitions. [2024-11-13 15:29:44,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-13 15:29:44,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:29:44,594 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:29:44,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-13 15:29:44,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 15:29:44,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:29:44,999 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:29:44,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:29:44,999 INFO L85 PathProgramCache]: Analyzing trace with hash -994237180, now seen corresponding path program 1 times [2024-11-13 15:29:45,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:29:45,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430123307] [2024-11-13 15:29:45,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:29:45,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:29:45,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:29:45,004 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:29:45,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 15:29:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:29:45,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 15:29:45,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:29:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 762 proven. 204 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-13 15:29:51,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:30:36,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 75 proven. 150 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2024-11-13 15:30:36,780 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:30:36,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430123307] [2024-11-13 15:30:36,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430123307] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:30:36,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:30:36,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15] total 32 [2024-11-13 15:30:36,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734612256] [2024-11-13 15:30:36,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:30:36,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-13 15:30:36,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:30:36,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-13 15:30:36,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=714, Unknown=0, NotChecked=0, Total=992 [2024-11-13 15:30:36,783 INFO L87 Difference]: Start difference. First operand 254 states and 355 transitions. Second operand has 32 states, 31 states have (on average 3.6451612903225805) internal successors, (113), 30 states have internal predecessors, (113), 9 states have call successors, (54), 6 states have call predecessors, (54), 11 states have return successors, (54), 9 states have call predecessors, (54), 9 states have call successors, (54) [2024-11-13 15:31:37,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:31:37,859 INFO L93 Difference]: Finished difference Result 575 states and 751 transitions. [2024-11-13 15:31:37,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-13 15:31:37,876 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.6451612903225805) internal successors, (113), 30 states have internal predecessors, (113), 9 states have call successors, (54), 6 states have call predecessors, (54), 11 states have return successors, (54), 9 states have call predecessors, (54), 9 states have call successors, (54) Word has length 177 [2024-11-13 15:31:37,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:31:37,879 INFO L225 Difference]: With dead ends: 575 [2024-11-13 15:31:37,879 INFO L226 Difference]: Without dead ends: 393 [2024-11-13 15:31:37,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1660 ImplicationChecksByTransitivity, 46.1s TimeCoverageRelationStatistics Valid=1349, Invalid=3207, Unknown=0, NotChecked=0, Total=4556 [2024-11-13 15:31:37,881 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 419 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:31:37,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 717 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 33.2s Time] [2024-11-13 15:31:37,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-13 15:31:37,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 299. [2024-11-13 15:31:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 195 states have (on average 1.1692307692307693) internal successors, (228), 195 states have internal predecessors, (228), 81 states have call successors, (81), 22 states have call predecessors, (81), 22 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 15:31:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 390 transitions. [2024-11-13 15:31:37,961 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 390 transitions. Word has length 177 [2024-11-13 15:31:37,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:31:37,962 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 390 transitions. [2024-11-13 15:31:37,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.6451612903225805) internal successors, (113), 30 states have internal predecessors, (113), 9 states have call successors, (54), 6 states have call predecessors, (54), 11 states have return successors, (54), 9 states have call predecessors, (54), 9 states have call successors, (54) [2024-11-13 15:31:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 390 transitions. [2024-11-13 15:31:37,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-13 15:31:37,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:31:37,965 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:31:37,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/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)] Forceful destruction successful, exit code 0 [2024-11-13 15:31:38,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:31:38,166 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:31:38,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:31:38,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1267557316, now seen corresponding path program 1 times [2024-11-13 15:31:38,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:31:38,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045462908] [2024-11-13 15:31:38,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:31:38,167 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:31:38,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:31:38,169 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:31:38,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/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 (10)] Waiting until timeout for monitored process [2024-11-13 15:31:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:31:38,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 15:31:38,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:31:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 391 proven. 246 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2024-11-13 15:31:44,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:33:29,368 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:33:29,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1045462908] [2024-11-13 15:33:29,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1045462908] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:33:29,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096382811] [2024-11-13 15:33:29,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:29,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:33:29,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:33:29,370 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:33:29,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 15:33:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:30,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 15:33:30,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:33:35,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 391 proven. 246 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2024-11-13 15:33:35,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:34:28,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096382811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:34:28,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:34:28,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 18 [2024-11-13 15:34:28,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786373246] [2024-11-13 15:34:28,564 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:34:28,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 15:34:28,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:34:28,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 15:34:28,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=535, Unknown=2, NotChecked=0, Total=702 [2024-11-13 15:34:28,565 INFO L87 Difference]: Start difference. First operand 299 states and 390 transitions. Second operand has 19 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 17 states have internal predecessors, (63), 5 states have call successors, (27), 5 states have call predecessors, (27), 7 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2024-11-13 15:34:37,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:34:37,902 INFO L93 Difference]: Finished difference Result 449 states and 574 transitions. [2024-11-13 15:34:37,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 15:34:37,915 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 17 states have internal predecessors, (63), 5 states have call successors, (27), 5 states have call predecessors, (27), 7 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) Word has length 177 [2024-11-13 15:34:37,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:34:37,922 INFO L225 Difference]: With dead ends: 449 [2024-11-13 15:34:37,922 INFO L226 Difference]: Without dead ends: 344 [2024-11-13 15:34:37,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 609 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 61.5s TimeCoverageRelationStatistics Valid=499, Invalid=1661, Unknown=2, NotChecked=0, Total=2162 [2024-11-13 15:34:37,925 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 123 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:34:37,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 693 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 15:34:37,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-13 15:34:37,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 315. [2024-11-13 15:34:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 207 states have (on average 1.1594202898550725) internal successors, (240), 207 states have internal predecessors, (240), 81 states have call successors, (81), 26 states have call predecessors, (81), 26 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 15:34:37,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 402 transitions. [2024-11-13 15:34:37,990 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 402 transitions. Word has length 177 [2024-11-13 15:34:37,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:34:37,991 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 402 transitions. [2024-11-13 15:34:37,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 17 states have internal predecessors, (63), 5 states have call successors, (27), 5 states have call predecessors, (27), 7 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2024-11-13 15:34:37,991 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 402 transitions. [2024-11-13 15:34:37,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-13 15:34:37,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:34:37,994 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:34:38,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 15:34:38,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/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 (10)] Ended with exit code 0 [2024-11-13 15:34:38,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:34:38,395 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:34:38,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:34:38,395 INFO L85 PathProgramCache]: Analyzing trace with hash -992141726, now seen corresponding path program 1 times [2024-11-13 15:34:38,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:34:38,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5483865] [2024-11-13 15:34:38,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:38,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:34:38,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:34:38,398 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:34:38,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59cebca7-da97-44cc-a703-5f0b4b7f7c0e/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 15:34:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:38,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 15:34:38,776 INFO L278 TraceCheckSpWp]: Computing forward predicates...